Ugwu D, Jiwuba P, Ubogu V, Akazue R. Phytochemical properties of Hibiscus sabdariffa Calyx and the effects of its aqueous extract supplementation on haematological and serum biochemical indices of broiler birds. NJAS [Internet]. 2023 Apr. 30 [cited 2026 Apr. 16];22(3):165-72. Available from: https://www.njas.org.ng/index.php/php/article/view/790