1. College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi, China
2. Guangxi Key Laboratory of Aquatic Biotechnology and Modern Ecological Aquaculture, Guangxi Academy of Marine Sciences, Guangxi Academy of Sciences, Nanning, Guangxi, China
3. Key Laboratory of Livestock Biology, Northwest A&F University, Yangling, Shaanxi, China