1. Laboratory of Biomechanics and Engineering, Institute of Biophysics and College of Science; Northwest A&F University; Yangling Shaanxi China
2. Innovation Experimental College; Northwest A&F University; Yangling Shaanxi China
3. Sino-US Joint Research Center for Food Safety; Northwest A&F University; Yangling Shaanxi China
4. Department of Animal Sciences, College of Agriculture; Purdue University; West Lafayette Indiana