3Saif Y M 主编,苏敬良,高福,索勋主译.禽病学[M].11版,北京:中国农业出版社,2005.
4Fairfull R W, Garwood V A, Spencer J L, et al. The effects of geographical area, rearing method, caging density and Lymphiod leucosis infection on adult performance in egg stocks of chicken [J]. Poul Sci, 1983, 63 (12): 2360-2370.
5Sun S, Cui Z Z. Epidemiological and pathological studies of subgroup Javian leukosis virus infect ions in Chinese local "yellow" chickens [J]. Avian Pathol, 2007, 36(3): 221-226.
6Gavora J S, Spencer J L, Gome R S, et al. Lymphiod leu- cosis virus infection: Effects on production and mortality and consequences in selection for high egg production [J]. Poult Sci, 1980, 59: 2165-2178.
7Payne L N, Owes K H. Current status of diagnosis, epi- demiology and control of ALV-J [C] //Avian Tumor Vi-ruses Symposium. Pub Reno, Nevada. 1997: 58- 61.
8Crittenden L B, Smith E J, Okazaki W. Identification of broiler breeders congentitally transmitting avian leukosis virus by enzyme-linked imrnunosorbent assay [J]. Poultry Science, 1984, 63: 492-496.
9Gavora J.S, Spencer J.L, Chamber J.R. Performance of meat-type chickens test positive and negative for Lym- phiod leucosis virus infection [J]. Avian Pathology, 1982, 11: 29-38.
