1Division of Medicine, Indian Veterinary Research Institute, Izatnagar, Bareilly-243 122 (UP)
2Department of Clinics
Department of Veterinary Clinical Medicine, Ethics and Jurisprudence Madras Veterinary College Tamil Nadu Veterinary and Animal Sciences University Vepery Chennai-600 007 (Tamil Nadu)
*Forms a part of M.V.Sc thesis of the first author approved by Tamil Nadu Veterinary and AnimalSciences University (TANUVAS), Chennai-600 051.