PhD scholar, Department of Veterinary Gynaecology and Obstetrics, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India. PhD scholar, Department of Veterinary Pathology, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, Punjab, India. PhD scholar, Dairy Cattle Nutrition Division, National Dairy Research Institute, Karnal, Haryana Assistant Professor...