作者单位Department of Veterinary Biochemistry, Veterinary College, KVAFSU, Hebbal, Bangalore 560024, India[1]National Institute of Animal Nutrition and Physiology (NIANP) Adugodi, Bangalore-560030, India[2]Central Animal Facility, Indian Institute of Science, Bangalore 560012, India[3]Department of Microbiology, Indian Institute of Science, Bangalore 560012, India[4]