Jacqueline Uribe Rivera

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 ...