6[4]Dohms JE,Saif YM,Bacon WL etc.Studies on metabolism and concentration of immunoglobulin G in the newly hatched turkey poult.American J Veterinary Research,1997,39 (9):1466 ～1471.
7Swayne D E, Perdue M L, Beck J R, et al. Vaccines protect chickens against H5 highly pathogenic avian influenza in the face of genetic changes in field viruses over multiple years [J]. Vet Mi Crobiol,2000,22:165-172.
8Suarez D L, Schultz C S. Immunology of avian influenza virus: a review [J]. Dev Comp Immunol,2000,24:269-284.
9朱日翟.禽蛋研究[M].北京:科学出版社,1985.9-11.
10Sun S, Cui Z,Wang J,et al.Protective efficacy of vaccination against highly pathogenic avian influenza is dramatically suppressed by early infection of chickens with reticuloendothelisos virus[J]. Avian Pathol, 2009,38 ( 1 ) : 31 - 34.
