2Jin LZ, Baidoo SK, Marquardt RR, et al. In vitro inhibition of adhesion of en- terotoxigenic Escherichia coil K88 to piglet intestinal mucus by egg-yolk antibodies. Immunol Med Microbiol, 1998, 21 (4): 313-321.
3Yokoyama H, Peralta RC, Diaz R, et al. Passive protective effect of chicken egg yolk immunoglobulins against experi- mental enterotoxigenic Escherichia coli in- fection in neonatal piglets. Infection and Immunity, 1992, 60(3): 998-1007.
4Kweon CH, Kwon B J, Woo SR, et al. Immunoprophylactic effect of chicken egg yolk immunoglobulin (Ig Y) against porcine epidemic diarrhea virus (PEDV) in piglets. J Vet Med ScL, 2000, 62 (9): 961-964.