/ edited by P.K. Malik, National Inistitute of Animal Nutrition and Physiology, Inda, R. Bhatta, National Institute of Animal Nutrition and Physiology, India, J. Takahashi, Obihiro University of Agriculture and Veterinary Medicine, Japan, R.A. Kohn, University of MAryland, College Park, Maryland, USA, C.S. Prasad, National Institute of Animal Nutrition and Psysiology, India