Vol. 10, Special Issue 11 (2021)

Author(s):
Vikram Jakhar, Abhay Singh Yadav, Surender Singh Dhaka, Sandeep Kumar Sangwan and Chandershekar Santosh Patil

Abstract:
The data on performance records of 2959 Murrah buffaloes at Buffalo Resarch Center, Department of Livestock Production and Management, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar and Animal farm, CIRB Hisar, spread over a period of 24 years (1992-2015) were utilized for the present study. The overall mean of Lactation length (LL), Dry period (DP), Service period (SP) and Calving interval (CI) were 292.71±3.99 days, 117.41±2.09 days, 135.05±5.10 days and 445.05±5.10 days, respectively. Effect of parity, Period of calving and Season of calving were studied on different phase traits. Period of calving had highly significant effect on all the phase traits aunder study. Season of calving also had significant effect on different phase traits. Parity and farm also had significant effect on different phase traits.