P. B. Deulkar and M. D. Kothekar, “Relationships between sire evaluation for first and later lactation records in Sahiwal*”, Indian J of Anim Sci, vol. 69, no. 9, Jul. 2012, Accessed: Oct. 23, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAnS/article/view/21247