Agrawal, Vijay Kumar, et al. “Genetic Analysis of DGAT1 Loci Related to Milk Production Traits in Native Sahiwal Cattle”. International Journal of Livestock Research, vol. 8, no. 9, Sept. 2018, pp. 136-42, https://ijlr.org/ojs_journal/index.php/ijlr/article/view/1593.