亚群禽白血病病毒是一种主要感染肉用型鸡的反转录病毒。
Avian leukosis virus Subgroup J is a retro virus which infects meat-type chickens.
厌氧菌、细菌、真菌、支原体、血吸附病毒、非血吸附病毒和外源性禽白血病病毒检测均为阴性。
Anaerobian, bacteria, fungi, mycoplasma and exogenous avian leukemia virus and hemadsorption and non-hemadsorption viruses were negative.
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