5CHENG H W.Morphopathological changes and pain in beak trimmed laying hens[J].World Poult Sci J,2006,62(1):41-52.
6HUSSIAN I,KHAN M Z,KHAN A,et al.Toxicological effects of diclofenac in four avian species[J].Avian Pathol,2008,37(3):315-321.
7OAKS J L,GILBERT M,VIRANI M Z,et al.Diclofenac residues as the cause of vulture population decline in Pakistan[J].Nature,2004,427(6975):630-633.
8PRAKASH REDDY N C,ANJANEYULU Y,SIVASANKARI B,et al.Comparative toxicity studies in birds using nimesulide and diclofenac sodium[J].Environ Toxicol Pharmacol,2006,22(2):142-147.
9CHAE J P,PARK M S,HWANG Y S,et al.Evaluation of developmental toxicity and teratogenicity of diclofenac using Xenopus embryos[J].Chemosphere,2015,120:52-58.