Wenzel , J. G., Carson , R. L. and Wolfe , D. F. (2012) “Bull-to-cow ratios: practical formulae for estimating the number of bulls suggested for successful pasture breeding of female cattle”, Clinical Theriogenology, 4(4), pp. 477-479. Available at: https://clinicaltheriogenology.net/index.php/CT/article/view/13606 (Accessed: 31March2026).