The effect of replacing fish meal with plant and animal composition on growth indices, hematology and hepatic enzymes of Huso huso
To purpose fish meal reduaction in Huso huso diet, a combinaton of plant and animal proteins (corn gluten: 35%, wheat gluten: 19.34%, processed soy meal: 3%, poultry by product: 20%, meat and bone meal: 8%, blood meal: 4.3%) similar in chemical composition and amino acid profile was subsutsted Anchovy fish meal at 0, 20, 40, 60 and 80% and named of treatment 1 (FM), treatment 2 (MPP20), treatment 3 (MPP40), Treatment 4 (MPP60) and treatment 5 (MPP80). All diets had the same protein and energy levels (44% and 4365 kcal / kg). Huso huso (average weight, 167 ± 6.5 gr) were fed saturarated and growth indices, hematology and enzyme liver were studied. The results showed that growth indices were not affected by different diets (P> 0.05). There was no significant difference in white blood cell count, red blood cell, hemoglobin, hematocrit, mean hemoglobin concentration (MCHC), monocyte and eosinophil in fish compared to fish fed on fish meal (FM) diet (P>0.05), but mean erythrocyte volume (MCV) in diets fed with diets (MPP20, MPP40, MPP60 and MPP80) and mean hemoglobin weight in one erythrocyte (MCH) of MPP60 and MPP80 compared to (FM) were significantly Decreased (P<0.05). Increasing mixture of animal protein instead of fish meal significantly increased the activity of liver AST and ALT enzymes compared to fish fed a diet based on fish meal (P<0.05). The results of this experiment showed that there was possibility of replace 40% fish meal by mixture of animal and plant proteins without adversely affect on hematological parameters and and liver enzym in growing Huso huso.
Huso huso , Animal , plant protein mix , growth , Hematology , Liver enzyme
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