Alostaomar , Salma M. A., and Salem M. E. Sharafad. 2021. “Effect of Uropygialectomy at Two Early Ages on Some Production and Physio-Logical Characteristics of Ross Broiler Chicks”. Al-Mukhtar Journal of Sciences 36 (4). Al Bayda, Libya:342-52. https://doi.org/10.54172/mjsc.v36i4.576.