Vol. 9, Special Issue 2, Part D (2025)

The present study was carried out during 2018-19 Department of Animal Husbandry and dairying, Raja Balwant Singh College, Bichpuri, Agra, on the Haryana cows which raised and maintained at Pandit Deen Dayal Veterinary University, Mathura (U.P.). The Veterinary University farm which the data were obtained for this investigation is situated in plain of U.P., 174 metres about the sea level and average rainfall in this part is about 60 cm. so that having dry climate of Northern India. The study focuses on the reproductive and productive traits of Haryana cows, a breed of indigenous cattle. Key parameters such as age at First calving, First calving interval, First lactation period, and First dry period were analyzed over a period of 30 years from 1981 to 2010. The data were categorized into six periods of five years each and four seasons (S1 January-March, S2 April-June, S3 July-September and S4 October-December) of four months each. Results indicate variations in these traits over time and seasons, with implications for dairy farming and management practices. The study underscores the importance of these traits in optimizing dairy production and highlights the need for sustainable breeding and management strategies for indigenous cattle breeds like the Haryana cow.