Effect of twinning on productive and reproductive parameters in cows of Costa Rican specialized dairy herds. Ciencias veterinarias, [S. l.], v. 28, n. 2, p. 71–89, 2013. Disponível em: https://www.revistas.una.ac.cr/index.php/veterinaria/article/view/5560.. Acesso em: 26 apr. 2025.