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PROTEIN REQUIREMENTS OF (BARBUS SHARPEYI GÜNTHER.1874) FINGERLINGS.) | ||
| Journal of Misan Researches | ||
| Article 1, Volume 7, Issue 13, 2011, Pages 21-36 | ||
| Author | ||
| Hameed. K. Hussein | ||
| Abstract | ||
| The protein requirements of Barbus sharpeyi (Günther.1874) fingerlings with an initial body weight of 5.5 gram on the average, were studied by using four diets containing 32, 36, 40 and 44% crude protein, and fed for 90 days. The best growth performance was obtained with (36%) crude protein and carbohydrate (35%), followed by the diets containing 40, 44 and ( 32%) crude protein respectively. Protein efficiency ratio was decreased with increasing dietary protein levels. Body protein was increased with increasing dietary protein levels up to 44%. There were an inverse relationship between the body moisture and lipid content. From the economical point of view, the highest net return of investitment, production of pound and production of each gram of diets was in group of fish fed on the diet containing 36% crude protein. In conclusion, the optimum protein level for Barbus sharpeyi (Günther.1874) weighing 5.5 gram fingerling was 36% crude protein | ||
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