... (nycytx-45-12).Author details1Avian Diseases Research Center, College of Veterinary Medicine of SichuanAgricultural University, Yaan, Sichuan, 625014, China.2Key Laboratory of Animal Diseases and Human ... (Bursa of Fabricius, thymus,spleen, and Harderian gland) (Figure 3.). The thymus and BF were the primary immune organs, where the dif-ferentiation and maturation of T lymphocytes and Blymphocytes ... equally1Avian Diseases Research Center, College of Veterinary Medicine of SichuanAgricultural University, Yaan, Sichuan, 625014, ChinaFull list of author information is available at the end of the...