THANH, N. V.; HANG, P. T.; GIOI, P. V.; TOAN, N. C.; LONG, S. T. The Relationship Between Plasma Progesterone Concentration on Day 6 After Artificial Insemination and Pregnancy Rate of Dairy Cows in Vietnam. Tropical Animal Science Journal, [S. l.], v. 46, n. 2, p. 146–150, 2023. DOI: 10.5398/tasj.2023.46.2.146. Disponível em: https://journal.ipb.ac.id/tasj/article/view/43522. Acesso em: 13 jan. 2026.