EFFECT OF HYDROYEAST AQUACULTURE® AS GROWTH PROMOTER FOR ADULT NILE TILAPIA Oreochromis niloticus | ||||
| Journal of Animal and Poultry Production | ||||
| Article 4, Volume 3, Issue 6, June 2012, Page 305-317 PDF (371.26 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jappmu.2012.82795 | ||||
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| Authors | ||||
| F. F. Khalil; A. I. Mehrim; Montaha E. M. Hassan | ||||
| Animal Production Dept., Fac. Agric., Al-Mansoura Univ., Al-Mansoura, Egypt | ||||
| Abstract | ||||
| The objectives of the present study were to evaluate the effects of graded levels of a new commercial probiotic Hydroyeast Aquaculture® (0, 5, 10 and 15 g/Kg diet) on both sexes of adult Nile tilapia Oreochromis niloticus, referred to treatments No. T1, T2, T3 and T4, respectively, for males and T5, T6, T7 and T8 treatments for females, on their growth performance, feed and nutrients utilization and carcass composition for 8 weeks. The obtained results showed that tested probiotic at level of 15 g /kg diet (T4) and 10 g /kg diet (T7) for adult males and females O. niloticus respectively, significantly (P ≤ 0.05) enhancing fish growth, feed intake and nutrients utilization, as well as realized slight improving of fish carcass composition. Hence, it could be concluded that Hydroyeast Aquaculture® probiotic is useful at levels of 15 g /kg diet (T4) and 10 g /kg diet (T7) for enhancing production performance of adult males and females Nile tilapia (O. niloticus) respectively, so may be using of this probiotic led to economic efficiency especially, for fish farming and hatcheries. | ||||
| Keywords | ||||
| Nile tilapia; probiotic - adult - growth performance | ||||
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