1870-5472 1870-5472 S1870-54722018000400585 Mexico Mexico 00 12 2018 00 12 2018 15 4 585 593

2015 10 4 4 2012 7 220-5 2006 282 2006 18 2009 617 2014 47 2 2 77-82 FAO 2010 J. A. Woolliams 2008 363 573-90 2009 65 115-24 2013 25 2015 27 2010 2014 1998 2010 22 1976 1976 1991 2006 49 332-41 2011 23 SAS Institute 2002 1970 2009 42 3 3 167-76 2011 60 813-6