Inactivated probiotics are probiotics that are killed by physical or chemical methods and are no longer viable. They have the functions of enhancing immunity and preventing tumors, inhibiting inflammation and al?leviating allergy, adhesion and adhesion antagonism, and the production applications and some physiological functions are more advantageous than live bacteria. As a kind of feed additive, inactivated probiotics have a good application prospect in animal production, and have the effects of improving animal growth performance, improving product quality and improving animal immunity and s...