CHAKI, E K, N GHOSH, N K SHIT, and S C MAJUMDER. 2013. “Relationship Between First Lactation Milk Yield and Pre-Partum Udder Measurements in Crossbred Heifers”. The Indian Journal of Animal Sciences 67 (2). https://epubs.icar.org.in/index.php/IJAnS/article/view/34214.