作　　者： ; ; ; ; ; ; (陶素华）; (苏风林）;

机构地区： 华南农业大学

出　　处： 《华南农业大学学报》 1994年第1期6-11,共6页

摘　　要： 使用３批ＩＢＤ－ＢＫ９１２冻干疫苗对２０日龄在隔离器中饲养的ＳＰＦ鸡经２次点眼、口服各２０００ＴＣＩＤ５０，于二免后１４天用１００ＢＩＤ５０１０８４Ａ法氏囊囊毒攻毒，对照组１００％发病，免疫的３个组１００％保护，通过对囊指数的测定，疫苗安全，对囊无损伤。 There groups of 20-day-old SPF chicks raised in isolators were vaccinated by ocu-lar instillation and oral administration with three batches of IBD BK912 lyophilized vaccinerespectively.Booster was carried out 2 weeks later with the same method.Two weeks afterthe booster,one control group and three vaccinated groups were challenged with 100BID501084A strain.Results showed 100%morbidity for the control group and 100%protectionfor the vaccinated groups.Determination of bursa index as well as protection test reveal thatthe vaccine was safe and did no harm to the bursa.

关 键 词： 变异株 疫苗 免疫 鸡病

领　　域： [农业科学] [农业科学] [农业科学]