Supplementation of plant‐based diets for rainbow trout (Oncorhynchus mykiss) with macro‐minerals and inositol
作者： F.T. BARROWS , T.G. GAYLORD , W.M. SEALEY , C.E. SMITH , L. PORTER
DOI: 10.1111/J.1365-2095.2009.00717.X
关键词:
摘要: Replacement of fish meal with plant products in aquafeeds results the elimination dietary compounds which may be important for optimal growth and physiology. A study was conducted to determine if supplementation macro-minerals and/or inositol would improve performance rainbow trout (Oncorhynchus mykiss) fed a plant-based diet. Four iso-caloric iso-nitrogenous diets (40 g kg−1 protein 15 g kg−1 lipid) were formulated consisted meal-based control diet (control) three experimental diets. Plant-based supplemented either (+MM+I), no (−MM+I), (−MM−I). Sodium chloride, potassium chloride magnesium oxide sources used macro-mineral premix. There effect on survival, but there an weight gain, FCR, feed intake, HSI nutrient retentions. Significant liver pathology observed without MM supplementation. Supplementation significantly improved gain also PRE ERE. This demonstrates importance supplementing these nutrients free
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