by Khan, M.S. (University of Agriculture, Faisalabad (Pakistan). Dept. of Animal Breeding and Genetics), Bilal, G. (University of Agriculture, Faisalabad (Pakistan). Dept. of Animal Breeding and Genetics), Bajwa, I.R. (University of Agriculture, Faisalabad (Pakistan). Dept. of Animal Breeding and Genetics), Rehman, Z. (Research Centre for Conservation of Sahiwal Cattle, Jhang (Pakistan)), Ahmad, S. (NWFP Agricultural Univ., Peshawar (Pakistan))
Published in Pakistan veterinary journal (01.07.2008)