In this study,we attenuated a Chinese QX-like nephropathogenic infectious bronchitis virus (IBV) strain.YX10,by passaging through fertilized chicken eggs.Th
Coprophagy plays an important role in nutrition and ingestion for small-and medium-sized herbivorous mammals.The different nutrient components between soft
The avian sarcoma and leukosis virus (ASLV) family of retroviruses contains six highly related subgroups,A to E and J,thought to have evolved from a common