Avian reticuloendotheliosis virus (REV) infection was reported to be very common in chicken flocks in China, but its economic impact on the poultry industry was not clear.
英
美
- 摘要我国鸡群中网状内皮增生病病毒(REV)感染已相当普遍,但对其造成的实际危害却不太清楚。