Evaluation of haemoglobin variants of Red Sokoto goats and Yankasa sheep in Beji, Niger State, Nigeria: Effect on body weight and reproductive parameters. NJAP [Internet]. 2020 Dec. 27 [cited 2026 Oct. 28];44(4):38-47. Available from: https://mail.njap.org.ng/index.php/njap/article/view/567