Nwakalor LN, Brinks JS, Richardson GV. SELECTION IN HEREFORD CATTLE I. SELECTION INTENSITY, GENERATION INTERVAL AND INDEXES IN RETROSPECT . NJAP [Internet]. 2021Jan.13 [cited 2025Sep.23];8(2):97-111. Available from: https://mail.njap.org.ng/index.php/njap/article/view/1929