Juan Carlos Del Río García

IntroductionWithin livestock production, feed accounts for 65 to 70 % of the total cost of production; however, despite constant efforts to achieve the safety of food intended for animal production, there are still factors that diminish its quality, such as biological pathogens (such as Salmonella spp., E. coli, Listeria spp., Campylobacter spp.), chemical substances (fungicides, herbicides, and i ...

IntroductionIn June 2012, a highly pathogenic avian influenza (HPAI) virus, subtype H7N3, was identified as the cause of a severe disease outbreak in commercial layer farms in the Western State of Jalisco. Approximately 22.4 million birds died due to the infection or to the preventive stamping out of neighboring farms.6 On July 26, 2012, a national vaccination program was established using an inac ...