1659-1321 1659-1321 S1659-13212021000200382 10.15517/am.v32i2.44042 Colombia Colombia Colombia Colombia Colombia Colombia 00 08 2021 00 08 2021 32 2 382 398

2011 62 12 12 1098-105 2013 29 1 1 13-25 2014 7 111-32 2018 26 1 1 44-52 2016 11 8 8 537-44 2012 20 1–2 1–2 17-27 2001 35 4 4 407-11 2012 1 2 2 41-51 1978 26 337-43 1982 57-71 2011 2017 2019 9 1 1 2007 22 4 4 1-20 Federación Colombiana de Ganaderos 2011 Federación Colombiana de Ganaderos 2018 2009 2018 46 3 3 188-91 2015 66 1 1 100-6 2019 62 1 1 25-30 1982 45-55 2010 2010 47-53 2009 45 1 1 1-19 2006 2 2002 15 2 2 213-25 2016 2012 2009 2009 23 81-116 2009 31 26-7 2011 2009 43 2 2 79-85 2017 53 9 9 1689-99 2017 43 3 3 231-8 2010 118 1 1 57-72 R Core Team 2019 2005 28 3 3 245-6 2010 2005 17 12 12 160 1982 111-6 2016 13 1 1 222-33 San José, Costa Rica 2019 9 2 2 18-23 Statistical Analysis Systems 2016 1982 1982 91-110 2009 2002 2016 2008 20