Effects of Improved (Addition of Antimicrobials and Antioxidants) Locally Produced Natural Vitamin Premix on Performance, Hematology and Some Serum Constituents of Broiler Chickens. Nigerian Journal of Animal Production [Internet]. 2020 Dec. 29 [cited 2026 Nov. 13];36(2):246-55. Available from: https://njap.org.ng/index.php/njap/article/view/1367