雞痘簿英文bird pox virus
I can ' t lay my hands on the account book ? have you seen it
Why do i suffer from acnes after intake
Sometimes the combs of chickens are affected.
Carnaghan et al(1967)and smith and hamiltion(1970)have described marked strain variations in susceptibility of chickens to aflatoxin.
Vaccination trials were carried out in spf chickens, protection index ( pi ) against md5 + rbib challenge induced by 106 pfu rfpv - gb - ha was 53. 8 while pi against aiv challenge induced by 106 pfu rfpv - gb - ha was 69. 5