Baso, A.; Umar, M. B.; Sulaiman, M. H.; Gosomji, I. J.; Omirinde, J. O.; Muazu, T. A.; Zubairu, M.; Atabo, S. M. Photoperiodic-Dependent Morpho-Biometric Changes in the Excurrent Duct System of Sexually-Matured Helmeted Guinea Fowl (Numida Meleagris). SJVS 2022, 19, 28-36.