卵肉兼用鸡鸡新城疫免疫监测

THE IMMUNOSSAY OF NEWCASTLE DISEASE IF CHICKEN RAISED FOR MEAT AND EGGS

用鸡新城疫(ND)血球凝集抑制(HI)试验对卵肉兼用的贵州黄鸡进行ND免疫监测。结果表明,该场鸡群从7日龄至510日龄整个饲养过程,鸡群始终处于免疫保护状态中,说明ND免疫程序是合理的;免疫临界滴度、免疫鸡只HI价的个体差异致使有发生ND的可能。

An immunossay of Newcastle disease (ND) was conducted in Guizhou yellow chicken (Raised for meat and eggs) by means of the hemagglutination inhibition (HI) test.Results showed that all the birds kept in the condition of immune protection from 7 to 510 days old so that the immune procedure was resonable.The possibility of affecting ND can't be avoided as the immune critical titre and individual difference of HI titre.