2448-6132 2448-6132 S2448-61322021000100109 10.21929/abavet2021.15 Mexico Mexico 00 12 2021 00 12 2021 11

2018 12 35-8 2011 7 15 15 17-23 2015 6 293-2298 2018 17 17 40-4 2016 12 25 25 1-6 2013 33 223-8 2018 33 4 4 223-8 1983 12 1 1 71-7 1984 2 1-4 1-4 1997 27 9 9 1081-6 INEGI (Instituto Nacional de Estadística y Geografía) 2015 2002 33 491-507 2014 92 2230-8 2014 4 3 3 310-5 SAS institute 2012 2016 1 2 2 15-9 2018 3 4 4 1-6