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Agronomía Mesoamericana

On-line version ISSN 2215-3608Print version ISSN 1659-1321


WINGCHING-JONES, Rodolfo  and  MORA-CHAVES, Esteban. Milk quality and somatic cell count comparison in raw whole milk before and after  the filtering. Agron. Mesoam [online]. 2013, vol.24, n.1, pp.203-207. ISSN 2215-3608.

The purpose of this work was to evaluate the effect of filtering raw cattle milk with a mixed membrane.  This research was conducted in  the Dairy-SDA Module at the University of Costa  Rica, between May 10th      and  Febuary 2011, where milking is performed automatically with aid of a  system of jar collectors.   Samples of 100 ml of  milk were taken from  112  jars  before  and  after  filtering using  a  funnel. Milk components determinations were performed using the FOSS  Electric A/S for the MilkoScanTM Type 71200 FT 120 equipment, while a somatic cell count was  performed according  to  the  methodology  described  for  Fossomatic Series 400.  Protein, lactose and somatic cell milk content did  not  change  significantly, while  fat  milk  content  and milk total  solids percentage were affected by the filtering practice. This reduction resulted in a decrease of 3.04% of total revenue from the sale of milk.

Keywords : milk fat; milk total solid; Jersey  cattle; management practice; milk protein.

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