Affiliation: | 1. Animal Biotechnology Centre, National Dairy Research Institute, Karnal, 132001, India;2. Dairy Cattle Physiology Division, National Dairy Research Institute, Karnal, 132001, India;3. Eastern Regional Station, National Dairy Research Institute, Kalyani, 741235, India;4. Livestock Production Management Section, National Dairy Research Institute, Karnal, 132001, India |