Limited information is available about the impact of dietary inorganic chromium (Cr) on wool characteristic of Ossimi sheep. This study was performed to determine the effect of adding dietary Cr to the of Ossimi ewes during the wool growth phase. A total of 40 ewes were divided into four groups at similar live-body weights. The first, second and third groups received the basal diet with 0.2, 0.3 and 0.6 g Cr kg.d.head-1. The results indicated a significant positive impact on distinct physical characteristics in treatments of 0.2, 0.3, and 0.6 mg/Kg DM. Notably, improvements were observed in fiber diameter and staple length. Furthermore, an increase in the yield of clean wool and a concurrent reduction in contaminants were evident. Staple strength and elongation percentage was increased in all treated groups. The level of Cr in the blood plasma was significantly higher in all treated groups compared to the control group. In conclusion, dietary Cr improved most wool characteristics of Egyptian Ossimi sheep.
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