Document Type : Original Article
Authors
1
Rabbit, Turkey and Waterfowl Rese. Dep., Anim. Prod. Res. Inst., Agric. Res. Center, Giza, Egypt;
2
Rabbit, Turkey and Waterfowl Rese. Dep., Anim. Prod. Res. Inst., Agric. Res. Center, Giza, Egypt
3
Dep. Of Anim. And Poult. Prod., Fac. Of Agric., Damanhour Uni., Damanhour, Egypt;
4
Dep. of Poult. Nut., Anim. Prod. Res. Inst. Agric. Res. Center, Giza, Egypt
Abstract
This study was conducted to evaluate the effect of dietary addition of amla fruits powder (AFP) on blood hematology, serum biochemical parameters, semen quality, fertility and antioxidant status of V-line rabbit bucks during 21-42 weeks of age. A total number of twenty-eight male V-Line rabbits at 21 weeks of age were randomly distributed into four homogeneous groups of seven replicates with one rabbits per each (7 bucks/group). The first group was fed a basal diet without any additives and assigned as a control group. While, the second, third, and fourth groups were fed a basal diet enhanced with varying levels of AFP: 0.25, 0.5, and 1.0%, respectively.
Results indicated that bucks fed basal diet supplemented with 0.5 and 1.0% AFP had a significant improvement in red blood cells, hemoglobin, lymphocytes, phagocytic index, immunoglobin type G, serum lipid profile, blood urea, and alanine transaminase compared with those for the rest groups. Reaction time, ejaculate volume, sperm concentration, total sperm output, total litter size at birth, and litter size at weaning for bucks fed a basal diet with different levels of AFP were significantly enhanced compared with the control group.Moreover, bucks fed basic diet with 0.5 and 1.0% AFP showed a significant increase in advanced motility and serum testosterone compared with other groups. The fertility rate for groups supplied with 0.5 and 1.0% AFP was numerically improved compared with the control or group fortified with 0.25% AFP. In addition, antioxidant parameters of blood serum or seminal plasma for rabbit bucks fed a basal diet with 0.5 and 1.0% AFP were substantially increased compared with either group treated with 0.25% AFP or the control.
In conclusion, AFP has a beneficial effect on hematology, immunity, lipid profile, semen quality, fertility rate, testosterone hormone and antioxidant status of rabbit bucks, and 0.5% level is recommended as a better value in rabbit farming.
Keywords
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