Attapulgite is a layer chain crystalline hydrated magnesium-aluminosilicate mineral,also known as palygorskite,which can adsorb bacteria,heavy metals,mycotoxins,and bacterial toxins effectively and repair and protect the gastrointestinal mucosa of animals.It is reported that dietary supplementation with attapulgite can improve gut morphology,increase the number of goblet cells in the intestine,promote the expression of tight junction proteins in the intestinal tract,regulate intestinal microbiota balance,increase the levels of immu-noglobulins in the intestine,inhibit the gene expressions of p...