Different taxonomic systems in Bovinae in China have long coexisted in explaining the divergence of Bovinae species. The key problem that affected the evaluation, protection and utilization of genetic resources in Bovinae livestock was the decision of each genus. One opinion prones to classify domestic animals in Bovinae into 6 genuses, Bos, Poephagus, Bison, Bibos, Bubalus and Syncerina. The genus Bos includes species normal cattle (Bos taurus) and zebu (Bos indicus); The genus Poephagus contains onl...