M. AHMAD; M.N.TAHIR; F.AHMAD; S.S.SHAH; M.JAHANZEB; M.AKHTAR; R.H.MIRZA; M.IKRAM. 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, 2023. DOI: 10.57041/vol74iss3pp%p. Disponível em: http://pjosr.com/index.php/pjs/article/view/780. Acesso em: 9 jun. 2026.