Lactose is the main energy source of piglets,lactase plays an important role in the digestion and absorption of lactose.Lactase deficiency leads to lactose intolerance,flatulence,abdominal pain and even diarrhea,which seriously affects the growth of piglets.In this paper,the source of lactase,the relationship between lactase deficiency and diarrhea,and the treatment of lactase deficiency in pigs were reviewe...
