Among the most common diseases that can be found in pig production, colibacillosis is one of them causing a great economic impact, since this disease is caused by the bacterium Escherichia colí (E. colí), thus affecting the future performance of the animal due to damage to the system. digestive. Colibacillosis mainly affects piglets in the first stages of life, compromising the future performance of the animal since it can cause sudden death or diarrhea.