“Non-Genetic Factors Affecting First Lactation Reproduction Traits of Frieswal Heifers Cows under Field Conditions ”. Indian Journal of Animal Production and Management 32, no. 3-4 (January 3, 2017): 166–173. Accessed July 22, 2024. https://acspublisher.com/journals/index.php/ijapm/article/view/7139.