3Touchette K J, Carroll J A, Allee G L, Matteri R L, Dyer C J, Beausang L A, Zannelli M E. Effect of spray-dried plasma and lipopolysaceharide exposure on weaned Pigs : l. Effeets on the immune axis of weaned Pigs. 3 Anim Sci, 2002, 80: 494-501.
5Anonymous. 1999. How do mannanoligosaccharides work? Feed. Times 1: 7-9.
6韩正康.家畜营养生理学[M].北京:农业出版社,1991.
7Samanya , M. , and K. Yamauchi. 2002. Histological alterations of intestinal villi in chickensfed dried Bacfllus subtilis var. natta Comp. Biochem. Physio 1.133: 95-104.