The Effect of Using L-Arginine as a Feed Additive on Testosterone Levels in Ross 308 Broiler Breeder Roosters: The Effect of Using Arginine on Testosterone Level in Roosters of Broiler Breeders. مجلة الجامعة [Internet]. 2026 Mar. 31 [cited 2026 Jun. 5];8(4). Available from: https://journal.hama-univ.edu.sy/huj/article/view/2990