Research Article
Indian Journal of Animal Research, volume 53 issue 2 (february 2019) : 168-172
Optimum age at first semen freezing in relation to fertility of Sahiwal breeding bulls
B.C. Naha, A.K. Chakravarty, M.A. Mir, M. Bhakat, Ramendra Das, B.L. Saini, P. Boro
1Dairy Cattle Breeding Division, ICAR - National Dairy Research Institute, Karnal-132 001, Haryana, India.