do Amarante AFT, Barbosa MA, de Oliveira M, Siqueira ER. Changes in fecal egg counts of gastrointestinal nematodes by ewes of four breeds in different reproductive status. PAB [Internet]. 1992 Jan. 1 [cited 2026 May 14];27(1):47-51. Available from: https://apct.sede.embrapa.br/pab/article/view/3617