1Division of Animal Reproduction, Indian Veterinary Research Institute, Izatnagar–243 122 (UP).
2Division of Live stock Production and Management, Indian Veterinary Research Institute, Izatnagar–243 122 (UP).
3Division of Veterinary Pharmacology and Toxicology, Indian Veterinary Research Institute, Izatnagar–243 122 (UP).
4Division of Veterinary Public Health, Indian Veterinary Research Institute, Izatnagar–243 122 (UP).
*E-mail: drsarathvet@yahoo.com