Mubila LF, Sailen AM, Mdimi LA, Barnabas E, Mwakapuja RS, Malago JJ. Effects of vitamin A supplementation in local free range chickens vaccinated with Newcastle disease vaccine in Wami Dakawa, Morogoro, Tanzania. Tanz Vet J [Internet]. 2020 Feb. 23 [cited 2026 Jun. 15];36(1):50-3. Available from: https://tvj2.sua.ac.tz/vet2/index.php/TVJ/article/view/77