“Progestagen-Induced Oestrous Response in Holstein Cows and Its Influence on the Sexual Behaviour of Non-Treated Pen Mates. (405)”. Tropical Agriculture 75, no. 3 (July 30, 1998). Accessed February 12, 2025. https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/1606.