<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1659-1321</journal-id>
<journal-title><![CDATA[Agronomía Mesoamericana]]></journal-title>
<abbrev-journal-title><![CDATA[Agron. Mesoam]]></abbrev-journal-title>
<issn>1659-1321</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Costa Rica]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1659-13212022000100005</article-id>
<article-id pub-id-type="doi">10.15517/am.v33i1.46140</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Calidad microbiológica y fisicoquímica y sabor de huevos de gallina de producción convencional o pastoreo]]></article-title>
<article-title xml:lang="en"><![CDATA[Microbiological and physicochemical quality and flavor of hen eggs produced under grazing or conventional systems]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guier-Serrano]]></surname>
<given-names><![CDATA[Marie]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Davidovich-Young]]></surname>
<given-names><![CDATA[Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wong-González]]></surname>
<given-names><![CDATA[Eric]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cubero-Castillo]]></surname>
<given-names><![CDATA[Elba]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Costa Rica  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Costa Rica</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2022</year>
</pub-date>
<volume>33</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_arttext&amp;pid=S1659-13212022000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_abstract&amp;pid=S1659-13212022000100005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.sa.cr/scielo.php?script=sci_pdf&amp;pid=S1659-13212022000100005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Introducción. El huevo de gallina (Gallus gallus domesticus) es un alimento nutritivo de la dieta de millones de personas. Su producción mundial se obtiene con el empleo de jaulas convencionales, aunque existen sistemas alternativos como el pastoreo. Objetivo. Comparar la calidad microbiológica, fisicoquímica y el sabor de huevos provenientes de granjas con sistemas productivos convencionales o de pastoreo en Costa Rica. Materiales y métodos. El trabajo se realizó en Alajuela, Costa Rica de octubre del 2016 a mayo del 2017. Se muestrearon superficies y huevos de gallinas Isa Brown en granjas con sistemas productivos convencionales o de pastoreo y se determinó el recuento de coliformes totales, Escherichia coli, mohos y levaduras y ausencia/presencia de Salmonella sp. Además, se analizaron parámetros fisicoquímicos (unidades Haugh, índice de yema, pH, color de yema y dureza de cáscara) y se realizó una prueba sensorial de discriminación con consumidores. Resultados. Los sistemas de producción de pastoreo tienen superficies en contacto con los huevos con recuentos de coliformes totales y E. coli significativamente mayores que las superficies del sistema convencional. Los huevos de pastoreo presentaron recuentos de coliformes totales (3,2 log10 UFC huevo-1) significativamente mayores que los huevos convencionales (2,3 log10 UFC huevo-1). Salmonella sp. estuvo presente en 8 % de las muestras de pastoreo (incidencia no diferente de 0) y ausente en las convencionales. Se encontró diferencia en el color de la yema (más oscura en los huevos convencionales). Además, hubo diferencia significativa en el sabor de ambos tipos de huevo. Conclusión. En general, existió diferencia en la calidad microbiológica, fisicoquímica y el sabor de huevos producidos en granja de tipo convencional o pastoreo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Introduction. The hen egg (Gallus gallus domesticus) is a nutritious food in the diet of millions of people. Its worldwide production is obtained from conventional caging systems although alternative grazing systems are also used. Objective. To compare the microbiological and physicochemical quality and flavor of eggs produced under conventional or alternative grazing systems in Costa Rica. Materials and methods. This research was performed in Alajuela, Costa Rica, from October 2016 to May 2017. Environmental surfaces and eggs of Isa Brown hens were sampled on farms from both systems and total coliform, Escherichia coli, yeast and molds counts and absence/presence of Salmonella sp. were determined. Also, physicochemical parameters (Haugh units, yolk index, pH, yolk color, and shell hardness) were measured and a discrimination sensory test with consumers was performed. Results. The grazing production system had surfaces in contact with the eggs with total coliform and E. coli counts significantly higher than those determined for the surfaces of the conventional system. Eggs from grazing hens had total coliform counts (3,2 log10 UFC egg-1) significantly higher than conventional eggs (2,3 log10 UFC egg-1). Salmonella sp. was present in 8 % of the grazing eggs samples (incidence not significantly different from 0) and absent in the conventional eggs. A difference was found for the color of the yolk, (darker in conventional eggs). Also, there was a significant difference in the taste of both types of eggs. Conclusion. In general, microbiological and physicochemical quality and flavor of eggs produced under grazing system was different from the ones produced conventionally.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Escherichia coli]]></kwd>
<kwd lng="es"><![CDATA[Salmonella sp.]]></kwd>
<kwd lng="es"><![CDATA[Isa Brown]]></kwd>
<kwd lng="es"><![CDATA[unidades Haugh]]></kwd>
<kwd lng="es"><![CDATA[prueba tétrada]]></kwd>
<kwd lng="en"><![CDATA[Escherichia coli]]></kwd>
<kwd lng="en"><![CDATA[Salmonella sp.]]></kwd>
<kwd lng="en"><![CDATA[Isa Brown]]></kwd>
<kwd lng="en"><![CDATA[Haugh units]]></kwd>
<kwd lng="en"><![CDATA[tetrad method]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Arbona]]></surname>
<given-names><![CDATA[D. V.]]></given-names>
</name>
</person-group>
<source><![CDATA[A comparative analysis of freerange vs caged layer hens: egg productivity and quality, humoral immunocompetency &amp; follicular expression of glucocorticoid receptors]]></source>
<year>2011</year>
<publisher-name><![CDATA[North Carolina State University]]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="">
<collab>Association of Official Agricultural Chemists</collab>
<source><![CDATA[AOAC official method 981.12 pH of acidified foods]]></source>
<year>2005</year>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="">
<collab>Association of Official Agricultural Chemists</collab>
<source><![CDATA[AOAC official method of analysis 991, 14 coliform and Escherichia coli counts in foods]]></source>
<year>2005</year>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bov&#353;ková]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Míková]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Panovská]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluation of egg yolk color]]></article-title>
<source><![CDATA[Czech Journal Of Food Science]]></source>
<year>2014</year>
<volume>32</volume>
<page-range>213-7</page-range></nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bray]]></surname>
<given-names><![CDATA[H. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ankeny]]></surname>
<given-names><![CDATA[R.A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Happy chickens lay tastier eggs: motivations for buying free-range eggs in Australia]]></article-title>
<source><![CDATA[Anthrozoös]]></source>
<year>2017</year>
<volume>30</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>213-26</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Caner]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Yuceer]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Efficacy of various protein-based coating on enhancing the shelf life of fresh eggs during storage]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2015</year>
<volume>94</volume>
<page-range>1665-77</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="">
<collab>Centers for Disease Control and Prevention</collab>
<source><![CDATA[National enteric disease surveillance: Salmonella surveillance overview]]></source>
<year>2011</year>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<collab>Central America Data</collab>
<source><![CDATA[Crece la demanda de huevos en Costa Rica]]></source>
<year>2014</year>
</nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Clerici]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Casiraghi]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Hidalgo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rossi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Evaluation of eggshell quality characteristics in relation to the housing system of laying hens]]></source>
<year>2006</year>
<conf-name><![CDATA[ European Poultry Conference 2006]]></conf-name>
<conf-loc>Verona, Italy </conf-loc>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Coutts]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Wilson]]></surname>
<given-names><![CDATA[G. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Optimum egg quality: a practical approach]]></source>
<year>2007</year>
<publisher-name><![CDATA[5M Publishing.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Reu]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Bacteriological contamination and infection of shell eggs in the production chain]]></source>
<year>2006</year>
<publisher-name><![CDATA[CORE open]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Reu]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Messens]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Heyndrlckx]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodenburg]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Uyttendaele]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Herman]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bacterial contamination of hen&#8217;s table eggs and its influencing by housing systems]]></article-title>
<source><![CDATA[World&#8217;s Poultry Science Journal]]></source>
<year>2008</year>
<volume>64</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>5-19</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Reu]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodenburg]]></surname>
<given-names><![CDATA[T. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Grijspeerdt]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Messens]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Heyndrickx]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Tuyttens]]></surname>
<given-names><![CDATA[F. A. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sonck]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Zoons]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Herman]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bacteriological contamination, dirt, and cracks of eggshells in furnished cages and noncage systems for laying hens: An international on-farm comparison]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2009</year>
<volume>88</volume>
<page-range>2442-8</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Eke]]></surname>
<given-names><![CDATA[M. O.]]></given-names>
</name>
<name>
<surname><![CDATA[Olaitan]]></surname>
<given-names><![CDATA[N. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Ochefu]]></surname>
<given-names><![CDATA[J. H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of storage conditions on the quality attributes of shell table eggs]]></article-title>
<source><![CDATA[Nigerian Food Journal]]></source>
<year>2013</year>
<volume>31</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>18-24</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Englmaierová]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Tumova]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Charvatova]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Skrivan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of laying hens housing system on laying performance, egg quality characteristics and egg microbial contamination]]></article-title>
<source><![CDATA[Czech Journal of Animal Science]]></source>
<year>2014</year>
<volume>59</volume>
<numero>8</numero>
<issue>8</issue>
<page-range>345-52</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ennis]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Jesionka]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The power of sensory discrimination methods revisited]]></article-title>
<source><![CDATA[Journal of Sensory Studies]]></source>
<year>2011</year>
<volume>26</volume>
<page-range>371-82</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fischer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Influence of housing system on bacterial eggshell contamination and horizontal transmission of Salmonella and Campylobacter among laying hens]]></source>
<year>2010</year>
<publisher-name><![CDATA[University of Georgia]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="">
<collab>Food and Drug Administration</collab>
<source><![CDATA[Bacteriological Analytical Manual]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<collab>Food Standards Australia New Zealand</collab>
<source><![CDATA[Compendium of Microbiological Criteria for Food]]></source>
<year>2016</year>
<publisher-name><![CDATA[Food Standards Australia New Zealand Publishing]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fronding]]></surname>
<given-names><![CDATA[G. W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Egg processing: ideas for the future]]></source>
<year>1998</year>
<conf-name><![CDATA[ Egg Processing Workshop]]></conf-name>
<conf-loc>California, United States </conf-loc>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Giacomozzi]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Situación actual de la industria del huevo]]></source>
<year>2014</year>
<publisher-name><![CDATA[Oficina de estudios y políticas agrarias de Chile]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gjorgovska]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Filev]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Levov]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[External and internal quality of eggs produced from aged hens]]></article-title>
<source><![CDATA[Lucrari Stiintifice]]></source>
<year>2011</year>
<volume>56</volume>
<page-range>342-5</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Greco]]></surname>
<given-names><![CDATA[M. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Franchi]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Rico S. L.]]></surname>
<given-names><![CDATA[Pardo]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mycotoxins and mycotoxigenic fungi in poultry feed for food-producing animals]]></article-title>
<source><![CDATA[The Scientific World Journal]]></source>
<year>2014</year>
<volume>2014</volume>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hannah]]></surname>
<given-names><![CDATA[J. F.]]></given-names>
</name>
<name>
<surname><![CDATA[Wilson]]></surname>
<given-names><![CDATA[J. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Cox]]></surname>
<given-names><![CDATA[N. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Cason]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bourassa]]></surname>
<given-names><![CDATA[D. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Musgrove]]></surname>
<given-names><![CDATA[M. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Richardson]]></surname>
<given-names><![CDATA[L. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Rigsby]]></surname>
<given-names><![CDATA[L. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Buhr]]></surname>
<given-names><![CDATA[R. J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of shell bacteria from unwashed and washed table eggs harvested from caged laying hens and cage-free floor-housed laying hens]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2011</year>
<volume>90</volume>
<page-range>1586-93</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holt]]></surname>
<given-names><![CDATA[P. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Davies]]></surname>
<given-names><![CDATA[R. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Dewulf]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gast]]></surname>
<given-names><![CDATA[R. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Huwe]]></surname>
<given-names><![CDATA[J. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Waltman D.]]></surname>
<given-names><![CDATA[&amp; Willian]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The impact of different housing systems on egg safety and quality]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2011</year>
<volume>90</volume>
<page-range>251-62</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hui]]></surname>
<given-names><![CDATA[Y. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Plant sanitation for food processing and food service]]></source>
<year>2014</year>
<edition>2</edition>
<publisher-name><![CDATA[CRC Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jaramillo]]></surname>
<given-names><![CDATA[A. H.]]></given-names>
</name>
<name>
<surname><![CDATA[Mogica]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Caro]]></surname>
<given-names><![CDATA[E. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sosa]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Evaluación de la calidad del huevo de gallina en dos sistemas de alojamiento &#8211;piso convencional con suplementación de sauco (Sambucus nigra) y pastoreo con kikuyo (Pennisetum clandestinum)&#8211; en la Sabana de Bogotá]]></article-title>
<source><![CDATA[Revista Siembra CBA]]></source>
<year>2018</year>
<volume>2</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>59-77</page-range></nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[K. E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Housing system and laying hen strain impacts on egg microbiology]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2013</year>
<volume>92</volume>
<page-range>2221-5</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[K. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Guard]]></surname>
<given-names><![CDATA[J. Y.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Prevalence of coliforms, Salmonella, Listeria and Campylobacter associated with eggs and the environment of conventional cage and free-range egg production]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2012</year>
<volume>91</volume>
<page-range>1195-202</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Anderson]]></surname>
<given-names><![CDATA[K. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Musgrove]]></surname>
<given-names><![CDATA[M. T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of environmental and egg microbiology associated with conventional and free-range laying hen management]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2011</year>
<volume>90</volume>
<page-range>2063-8</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Cox]]></surname>
<given-names><![CDATA[N. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Guard]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Fedorka]]></surname>
<given-names><![CDATA[P. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Buhr]]></surname>
<given-names><![CDATA[R. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gast]]></surname>
<given-names><![CDATA[R. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Abdo]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Rigsby]]></surname>
<given-names><![CDATA[L. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Plumblee]]></surname>
<given-names><![CDATA[J. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Karcher]]></surname>
<given-names><![CDATA[D. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Robinson]]></surname>
<given-names><![CDATA[C. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Blatchford]]></surname>
<given-names><![CDATA[R. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Makagon]]></surname>
<given-names><![CDATA[M. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microbiological impact of three commercial laying hen housing systems]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2015</year>
<volume>94</volume>
<page-range>544-51</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Karcher]]></surname>
<given-names><![CDATA[D. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Abdo]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of a commercial housing system on egg quality during extended storage]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2014</year>
<volume>93</volume>
<page-range>1282-8</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Karcher]]></surname>
<given-names><![CDATA[D. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Abdo]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhao]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Shepherd]]></surname>
<given-names><![CDATA[T. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Xin]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Impact of commercial housing systems and nutrient and energy intake on laying hen performance and egg quality parameters]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2015</year>
<volume>94</volume>
<page-range>485-501</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kenji]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[The Food Lab: do better eggs really taste better? Serious Eats]]></source>
<year>2010</year>
</nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ketta]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[T&#367;mová]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Eggshell structure, measurements, and quality-affecting factors in laying hens: A review]]></article-title>
<source><![CDATA[Czech Journal of Animal Science]]></source>
<year>2016</year>
<volume>61</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>299-309</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kosmidou]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Sossidou]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Fortomaris]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Yannakopoulos]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Tserveni-Goussi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sensory evaluation of eggs produced by free-range hens foraging in pastures enriched with Ocimum basilicum and Mentha spicata]]></source>
<year>2009</year>
<conf-name><![CDATA[ European Symposium on the Quality of Eggs and Egg Products]]></conf-name>
<conf-loc>Prague, Czech Republic </conf-loc>
</nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mizumoto]]></surname>
<given-names><![CDATA[E. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Canniatti-Brazaca]]></surname>
<given-names><![CDATA[S. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Machado]]></surname>
<given-names><![CDATA[F. M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Chemical and sensorial evaluation of eggs obtained by different production systems]]></article-title>
<source><![CDATA[Food Science and Technology]]></source>
<year>2008</year>
<volume>28</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>60-5</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moats]]></surname>
<given-names><![CDATA[W. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Classification of bacteria from commercial egg washers and washed and unwashed eggs]]></article-title>
<source><![CDATA[Applied and Environmental Microbiology]]></source>
<year>1980</year>
<volume>40</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>710-4</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mugnai]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Del Bosco]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Castellini]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of rearing system and season on the performance and egg characteristics of Ancona laying hens]]></article-title>
<source><![CDATA[Italian Journal of Animal Science]]></source>
<year>2009</year>
<volume>8</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>175-88</page-range></nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Musgrove]]></surname>
<given-names><![CDATA[M. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[D. R.]]></given-names>
</name>
<name>
<surname><![CDATA[Shaw]]></surname>
<given-names><![CDATA[J. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Sheppard]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Harrison]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Enterobacteriaceae and related organisms isolated from nest run cart shelves in commercial shell egg processing facilities]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2009</year>
<volume>88</volume>
<page-range>2113-7</page-range></nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Parisi]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Northcutt]]></surname>
<given-names><![CDATA[J. K.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[D. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Steinberg]]></surname>
<given-names><![CDATA[E. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Dawson]]></surname>
<given-names><![CDATA[P. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Microbiological contamination of shell eggs produced in conventional and free-range housing systems]]></article-title>
<source><![CDATA[Food Control]]></source>
<year>2015</year>
<volume>47</volume>
<page-range>161-5</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peña]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Castro]]></surname>
<given-names><![CDATA[A. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Conocimientos, opiniones y prácticas respecto al huevo de gallina en familias de comunidades urbana-rural, Costa Rica]]></article-title>
<source><![CDATA[Revista Costarricense de Salud Pública]]></source>
<year>2011</year>
<volume>20</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>32-9</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peri&#263;]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Dukic]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Bjedov]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of production systems on quality and chemical composition of table eggs]]></article-title>
<source><![CDATA[The Serbian Journal of Agricultural Sciences]]></source>
<year>2016</year>
<volume>65</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>27-31</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="book">
<collab>Poder Ejecutivo</collab>
<source><![CDATA[Decreto Nº 33115 de 2006. Reglamento técnico de Costa Rica 397:2006: Huevos frescos o refrigerados de gallina para consumo humano]]></source>
<year>2006</year>
<publisher-name><![CDATA[Ministerio de Agricultura y Ganadería]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="book">
<collab>Poder Ejecutivo</collab>
<source><![CDATA[Decreto N° 41420 de 2018: Reglamento técnico centroamericano RTCA 67.04.50:17: Alimentos. Criterios microbiológicos para la inocuidad de los alimentos]]></source>
<year>2018</year>
<publisher-name><![CDATA[Ministerio de Comercio Exterior]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pouch]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Ito]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Compendium of methods for the microbiological examination of foods]]></source>
<year>2001</year>
<publisher-name><![CDATA[American Public Health Association]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Protais]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Queguiner]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Boscher]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Piquet]]></surname>
<given-names><![CDATA[J. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Nagard]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Salvat]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Effect of housing system on the bacterial flora in the air and on egg shells]]></source>
<year></year>
<conf-name><![CDATA[ European Symposium of the Quality of Eggs and Egg Products]]></conf-name>
<conf-loc>France </conf-loc>
</nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ruiz]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Fuerte crecimiento de la avicultura latinoamericana en 2019]]></article-title>
<source><![CDATA[Industria Avícola]]></source>
<year>2020</year>
<volume>67</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>4-25</page-range></nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sharaf Eddin]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Ibrahim]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Tahergorabi]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Egg quality and safety with an overview of edible coating application for egg preservation]]></article-title>
<source><![CDATA[Food Chemistry]]></source>
<year>2019</year>
<volume>296</volume>
<page-range>29-39</page-range></nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Singh]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Cheng]]></surname>
<given-names><![CDATA[K. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Silversides]]></surname>
<given-names><![CDATA[F. G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Production performance and egg quality of four strains of laying hens kept in conventional cages and floor pens]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2009</year>
<volume>88</volume>
<page-range>256-64</page-range></nlm-citation>
</ref>
<ref id="B51">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smeltzer]]></surname>
<given-names><![CDATA[T. I.]]></given-names>
</name>
<name>
<surname><![CDATA[Orange]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Peel]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Runge]]></surname>
<given-names><![CDATA[G. I.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Bacterial penetration in floor and nest box eggs from meat and layer birds]]></article-title>
<source><![CDATA[Australian Veterinary Journal]]></source>
<year>1979</year>
<volume>55</volume>
<page-range>592-3</page-range></nlm-citation>
</ref>
<ref id="B52">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rose]]></surname>
<given-names><![CDATA[S. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Wells]]></surname>
<given-names><![CDATA[R. G.]]></given-names>
</name>
<name>
<surname><![CDATA[Pirgoziieb]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The effect of changing the excreta moisture of caged laying hens on the excreta and microbial contamination of their egg shells]]></article-title>
<source><![CDATA[Poultry Science]]></source>
<year>2000</year>
<volume>41</volume>
<page-range>168-73</page-range></nlm-citation>
</ref>
<ref id="B53">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Stojanova]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Kocevski]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Vukovic]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Porcu]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison of qualitative properties of eggs from hens reared in battery cages and free range system]]></article-title>
<source><![CDATA[International Journal of Agronomy and Agricultural Research]]></source>
<year>2016</year>
<volume>9</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>77-83</page-range></nlm-citation>
</ref>
<ref id="B54">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sulimova]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhuchaev]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Kochneva]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Poultry behavior reactions and welfare]]></article-title>
<source><![CDATA[Sel&#8217;skokhozyaistvennaya Biologiya]]></source>
<year>2020</year>
<volume>55</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>209-24</page-range></nlm-citation>
</ref>
<ref id="B55">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Svobodová]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[T&#367;mová]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factors affecting microbial contamination of market eggs: a review]]></article-title>
<source><![CDATA[Scientia Agriculturae Bohemica]]></source>
<year>2014</year>
<volume>45</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>226-37</page-range></nlm-citation>
</ref>
<ref id="B56">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tercic]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Zlender]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Holcman]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[External, internal and sensory qualities of table eggs as influenced by two different production systems]]></article-title>
<source><![CDATA[Agro-knowledge Journal]]></source>
<year>2012</year>
<volume>13</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>555-62</page-range></nlm-citation>
</ref>
<ref id="B57">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tomczyk]]></surname>
<given-names><![CDATA[&#321;.]]></given-names>
</name>
<name>
<surname><![CDATA[St&#281;pie&#324;]]></surname>
<given-names><![CDATA[&#321;.]]></given-names>
</name>
<name>
<surname><![CDATA[Urbaniak]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Szablewski]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Cegielska-Radziejewska]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Stuper-Szablewska]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Characterisation of the mycobiota on the shell surface of table eggs acquired from different egg-laying hen breeding systems]]></article-title>
<source><![CDATA[Toxins]]></source>
<year>2018</year>
<volume>10</volume>
<numero>7</numero>
<issue>7</issue>
</nlm-citation>
</ref>
<ref id="B58">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[T&#367;mová]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Ebeid]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of housing system on performance and egg quality characteristics in laying hens]]></article-title>
<source><![CDATA[Scientia Agriculturae Bohemica]]></source>
<year>2003</year>
<volume>34</volume>
<page-range>73-80</page-range></nlm-citation>
</ref>
<ref id="B59">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[T&#367;mová]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Englmaierová]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ledvinka]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Charvatova]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Interaction between housing system and genotype in relation to internal and external egg quality parameters]]></article-title>
<source><![CDATA[Czech Journal of Animal Science]]></source>
<year>2011</year>
<volume>56</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>490-8</page-range></nlm-citation>
</ref>
<ref id="B60">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yenice]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Kaynar]]></surname>
<given-names><![CDATA[O.]]></given-names>
</name>
<name>
<surname><![CDATA[Ileriturk]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Hira]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Hayirli]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Quality of eggs in different production systems]]></article-title>
<source><![CDATA[Czech Journal of Food Science]]></source>
<year>2016</year>
<volume>31</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>370-6</page-range></nlm-citation>
</ref>
<ref id="B61">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wilson]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Chandry]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Turner]]></surname>
<given-names><![CDATA[M. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Courtice]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Fegan]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Comparison between cage and free-range egg production on microbial composition, diversity and the presence of Salmonella enterica]]></article-title>
<source><![CDATA[Food Microbiology]]></source>
<year>2021</year>
<volume>10</volume>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
