Polastre, Rinaldo, and Alcides de Amorim Ramos. “Genetic Parameters and Environment Effects Related to Calving Intervals in a Jersey Herd”. Pesquisa Agropecuaria Brasileira 18, no. 1 (April 16, 2014): 73–77. Accessed July 12, 2026. https://apct.sede.embrapa.br/pab/article/view/15156.