2009). Antimicrobial properties of donkey milk suppress bacteria and viruses related to intestinal infections (Šarić et al. 2012; Brumini et al. 2013). Antimicrobial action of milk lactoperoxidase exerts its role through the oxidation of thiocyanate ions by hydrogen peroxide that both of them are present in biological fluids and also in milk (Vincenzetti et al. 2012). This evidence concerns the gene LPO and digestive system infectious disorder.