Effects of chicken intestinal antimicrobial peptides on humoral immunity of chickens and antibody titres after vaccination with infectious bursal disease virus vaccine in chicken. - Yurong, Yang; Yibao, Jiang; Ruiping, She; Qingqiang, Yin; Kaisong, Peng; Huihui, Bao; Decheng, Wang; Tianlong, Liu; Xuemei, Zhou (Archives of Animal Nutrition, 2006)