Sanz A, Bernués A, Casasús I, Villalba D, Revilla R. Management factors associated to the duration of postpartum anoestrus interval in Brown Swiss and Pirenaica beef cows. Span. j. agric. res. [Internet]. 2003Mar.1 [cited 2026Jul.30];1(1):7-21. Available from: https://sjar.revistas.csic.es/index.php/sjar/article/view/5