ISSN : 0975-3710
EISSN : 0975-9107
ALOK KUMAR YADAV1*, ANUPAMA MUKHERJEE2, SUCHIT KUMAR3
1Division of Animal genetics and Breeding, ICAR-National Dairy Research Institute, Karnal, 132001, Haryana, India
2Division of Animal genetics and Breeding, ICAR-National Dairy Research Institute, Karnal, 132001, Haryana, India
3Division of Animal genetics and Breeding, ICAR-National Dairy Research Institute, Karnal, 132001, Haryana, India
* Corresponding Author : alokvet1000@gmail.com
Received : 01-05-2018 Accepted : 07-06-2018 Published : 15-06-2018
Volume : 10 Issue : 11 Pages : 6257 - 6260
Int J Agr Sci 10.11 (2018):6257-6260
Keywords : Sahiwal Cattle, Non-genetic factors, Milk Yield, Milk Constituents traits
Academic Editor : Dr Kaiser Parveen
Conflict of Interest : None declared
Acknowledgements/Funding : Author thankful to ICAR-National Dairy Research Institute, Karnal, 132001, Haryana
Author Contribution : All author equally contributed
The study conducted to records on milk constituent’s traits of 100 Sahiwal cattle over a period of 13 years from 2004 to 2016, collected from Animal Genetics and Breeding division of ICAR-National Dairy Research Institute, Karnal, Haryana. The effect of various non-genetic factors on milk yield and milk constituent’s traits mixed model least square analysis was used for analysis of data. Overall least square mean for all lactation traits revealed the first lactation 305 days milk yield, first lactation total milk yield, first lactation 305 days fat yield, first lactation 305 days SNF yield, first lactation 305 days protein yield in Sahiwal cattle was found to be 2034.99 ± 111.14 kg, 2314.56 ± 155.89 kg, 95.28 ± 5.19 kg, 172.72 ± 9.80 kg and 45.19 ± 3.95 kg, respectively. In the present study non significant effect of season of calving, period of calving and age at first calving were found on first lactation 305 days milk yield in Sahiwal cattle. Period of calving and age at first calving had significant effect on FLTMY while, season of calving had non-significant effect on FLTMY in Sahiwal. In this study effect of period of calving was found to be significant on first lactation 305 days fat yield and season of calving and age at first calving had non-significant effect on first lactation 305 days fat yield. The period of calving, season of calving and age at first calving had non significant effect on FL305DSNFY. In this study period of calving had significant effect on FL305DPY
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