عنوان مقاله [English]
Rainbow Trout (Oncorhynchusmykiss) is the only species of salmon that are grown on farms in Iran. As we know this fish is valuable for human food supply.The color of Salmonidae meat is red in because there are some fat-soluble pigments of the carotenoids group in this fish. Therefore in this survey the effects of Astaxanthin and Red Beet on the, and blood factors on rainbow trout were studied
This study compared the effects of astaxanthin powder and beet (Beta vulgaris conditiva) in the diet on some blood serum parameters of rainbow trout (Oncorhynchus mykiss) has been investigated. In this study, five treatments with three replications was used. Diets containing 41 mg astaxanthin kg doses of 20, 40, 60 mg kg were beet. The mean initial weight of fish 90/0 ± 29/21 g were fed for eight weeks. After the experimental period, the number of fish from each replicate were randomly selected and anesthetized with clove powder, were bled from the caudal vein. The normality test Shaρiro - wilk, ANOVA and Duncan's comparison of means separation test at a confidence level 05/0 showed that the greatest amount of total protein, albumin, glucose, cortisol, ALP, of treatment 5 (beet 60 ppm) and the lowest level of triglyceride.