do Amarante, Alessandro Francisco Talamini, Maria Aparecida Barbosa, Mauro de Oliveira, and Edson Ramos Siqueira. “Changes in Fecal Egg Counts of Gastrointestinal Nematodes by Ewes of Four Breeds in Different Reproductive Status”. Pesquisa Agropecuaria Brasileira 27, no. 1 (January 1, 1992): 47–51. Accessed July 6, 2026. https://apct.sede.embrapa.br/pab/article/view/3617.