Dept. of Animal Genetics and Breeding, College of Veterinary Science and Animal Husbandry, Udgir, Maharashtra-413 517, India.
*Part of M.V.Sc. Thesis submitted by the first author to MAU, Parbhani (MS).
Khillar is draft purpose breed of Maharashtra, and males are famous for fast transport and speedy farm operations. In the present study data on 302 Khillar cows for 1000 lactations were considered for evaluation. The Least Square Means (LSM) for Age at First Calving (AFC), Age at Second Calving (ASC) and Breeding Efficiency (BE) in Khillar cattle were 1361.96+14.49 days, 1914.64+20.55 days and 75.48+0.64 per cent, respectively. The heritability (h2) values for AFC, ASC and BE recorded as 0.03+0.03, 0.01+0.06 and 0.03+0.07 respectively. The phenotypic correlation (rp) recorded among AFC and BE, AFC and ASC and ASC and BE were -0.58, -0.767 and -0.591, respectively. The season showed non-significant effect on AFC, ASC and BE whereas period had significant effect (P<0.01) on these traits.
