1870-3453 1870-3453 S1870-34532019000101205 10.22201/ib.20078706e.2019.90.2684 Mexico Mexico Mexico Mexico Mexico 00 00 2019 00 00 2019 90

2017 94 649-56 2000 AVMA (American Veterinary Medical Association) 2013 2013 2018 89 29-38 1993 60 139-45 2010 2007 44 103-6 2000 45 332-9 2000 86 83-8 1992 22 131-40 2001 87 648-55 2003 89 782-91 1994 3 294-9 1972 39 51-4 2018 67 517-27 2016 4173 55-65 2016 33 1870-4 2005 1998 2002 47 224-7 2010 105 52-6 2009 56 305-12 2016 94 242-51 2006 63 159-79 2015 86 926-33 1970 56 128-30 2010 96 236-44 1984 9 935-52 1987 94 61-76 2015 523 1-30 2012 61 539-42 2006 22 2688-90 1928 1 5-68 1934 5 87-103