EFFECTS OF DIFFERENT DIETARY PROTEIN AND LIPID LEVELS ON GROWTH AND FEED UTILIZATION IN A HYBRID OF ASPIUS ASPIUS ♀× RUTILUS FRISII ♂

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HAGHPARAST P.; FALAHATKAR B.; KHOSHKHOLGH M.J.; MEKNATKHAH B.; EFATPANAH I.; NASROLAZADEH A.

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Journal: Journal of Aquaculture Development Year:2014 | Volume:8 | Issue:2 Page(s): 21-34

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Title

EFFECTS OF DIFFERENT DIETARY PROTEIN AND LIPID LEVELS ON GROWTH AND FEED UTILIZATION IN A HYBRID OF ASPIUS ASPIUS ♀× RUTILUS FRISII ♂

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Keywords

PROTEINQ2

LIPIDQ2

GROWTHQ1

NUTRITIONQ2

ASPQ2

CASPIAN KUTUMQ2

Abstract

In order to determine optimum dietary PROTEIN and LIPID levels on GROWTH performance of hybrid female ASP × male Kutum (Aspius ASPius ♀×Rutilus frisii ♂), six trial diets containing three PROTEIN levels (30, 35 and 40%), and two LIPID levels (10 and 15%) were designed. In the present study, Two hundred and fifty two fish with initial weight of 31.22±0.38 g (mean±SE) were distributed in 18 tanks with the volume of 4000 L and were fed 3 times daily for 60 days. The results indicated that GROWTH performance and feed conversion ratio was significantly affected by PROTEIN content of the diet, so that these parameters increased significantly with increasing PROTEIN level from 30% to 35%, and then decreased in 40% (P<0.05). GROWTH performance was not affected by dietary LIPID (P>0.05). The highest values of condition factor was observed in fish fed diets containing 35% PROTEIN and 15% LIPID (P<0.05). PROTEIN efficiency ratio decreased with increasing dietary PROTEIN level (P<0.05), so that the lowest values of PER were observed in diets containing 40% PROTEIN at each LIPID levels. LIPID efficiency ratio was significantly decreased with increasing dietary LIPID level (P<0.05). In general, the results indicated that diet containing 35% PROTEIN and 15% LIPID is suitable for the optimum GROWTH of this hybrid in the studied weight range.

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APA: Copy

HAGHPARAST, P., FALAHATKAR, B., KHOSHKHOLGH, M.J., MEKNATKHAH, B., EFATPANAH, I., & NASROLAZADEH, A.. (2014). EFFECTS OF DIFFERENT DIETARY PROTEIN AND LIPID LEVELS ON GROWTH AND FEED UTILIZATION IN A HYBRID OF ASPIUS ASPIUS ♀× RUTILUS FRISII ♂. JOURNAL OF AQUACULTURE DEVELOPMENT, 8(2), 21-34. SID. https://sid.ir/paper/242196/en

Vancouver: Copy

HAGHPARAST P., FALAHATKAR B., KHOSHKHOLGH M.J., MEKNATKHAH B., EFATPANAH I., NASROLAZADEH A.. EFFECTS OF DIFFERENT DIETARY PROTEIN AND LIPID LEVELS ON GROWTH AND FEED UTILIZATION IN A HYBRID OF ASPIUS ASPIUS ♀× RUTILUS FRISII ♂. JOURNAL OF AQUACULTURE DEVELOPMENT[Internet]. 2014;8(2):21-34. Available from: https://sid.ir/paper/242196/en

IEEE: Copy

P. HAGHPARAST, B. FALAHATKAR, M.J. KHOSHKHOLGH, B. MEKNATKHAH, I. EFATPANAH, and A. NASROLAZADEH, “EFFECTS OF DIFFERENT DIETARY PROTEIN AND LIPID LEVELS ON GROWTH AND FEED UTILIZATION IN A HYBRID OF ASPIUS ASPIUS ♀× RUTILUS FRISII ♂,” JOURNAL OF AQUACULTURE DEVELOPMENT, vol. 8, no. 2, pp. 21–34, 2014, [Online]. Available: https://sid.ir/paper/242196/en

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