ESTIMATION OF REPEATABILITY OF JERSEY * RED SINDHI CROSSES
Reproductive traids of Jersey X Red Sindhi Crosses
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India boasts a large cattle population of 199.1 million, including 39.73 million crossbred cattle. The number of exotic and crossbred milch cattle increased from 14.4 million to 19.42 million, reflecting a growth of 34.78% (as reported in the 19th Livestock Census of 2012). This increase highlights the success of crossbreeding programs, which have played a crucial role in establishing India as the world's leading milk producer. The success is attributed to the crossbreeding of Indian descript and non-descript cattle with exotic dairy breeds, particularly Holstein Friesian, Jersey, and Brown Sw...
India boasts a large cattle population of 199.1 million, including 39.73 million crossbred cattle. The number of exotic and crossbred milch cattle increased from 14.4 million to 19.42 million, reflecting a growth of 34.78% (as reported in the 19th Livestock Census of 2012). This increase highlights the success of crossbreeding programs, which have played a crucial role in establishing India as the world's leading milk producer. The success is attributed to the crossbreeding of Indian descript and non-descript cattle with exotic dairy breeds, particularly Holstein Friesian, Jersey, and Brown Swiss.In this context, our study focuses on estimating the repeatability of certain reproductive traits in various grades of Jersey x Red Sindhi crosses maintained at the SHUATS Dairy Farm in Prayagraj, Uttar Pradesh. We analyzed 66 records from the Department of Animal Husbandry and Dairying at Sam Higginbottom University of Agriculture, Technology and Sciences, spanning from 1935 to 1975. The animals were managed by skilled personnel under consistent feeding and management conditions. The reproductive traits examined in this study include Service Period (SP), Dry Period (DP).
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