SIS comes from the middle layers of the pig's small intestine. It is a complex matrix of collagens, other proteins and growth factors, a combination that somehow tells the body how to rebuild tissue.

Piglet diarrhoea causes up to 70% of mortality in pig production ... These include improving digestion and absorption in the small intestine by using amino acids and their derivative metabolites ...

Because the small intestine is the region of the gut where nutrients, including glucose, are absorbed, it is likely that the small-intestine microbiota is involved. This indeed is shown in ...

Ogawa and his team set out to learn more about the details of glucose excretion and its relationship with the gut microbiota ... "jejunum," a part of the small intestine, and is transported ...