FACTORS AFFECTING ON AGE AT FIRST CALVING IN CROSSBRED CATTLE MAINTAINED AT LES QADIRABAD DISTRICT SAHIWAL. Pakistan Journal of Science, [S. l.], v. 74, n. 3, 2022. DOI: 10.57041/vol74iss3pp%p. Disponível em: https://paas-pk.org/index.php/pjs/article/view/780. Acesso em: 16 feb. 2026.