Biochemical composition and nutritional value of Streptocephalus simplex as live feed in ornamental fish culture

IF 1.1 Q3 BIOLOGY Journal of Basic and Applied Zoology Pub Date : 2015-10-01 DOI:10.1016/j.jobaz.2015.01.007

G. Simhachalam , N.S. Sampath Kumar , K. Govinda Rao

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引用次数: 12

Abstract

A feed trail was conducted to evaluate the efficiency of Streptocephalus simplex as a live feed in freshwater ornamental fish culture. The efficiency of live feed was compared with that of artificial/pellet diet to determine the growth rate biochemical parameters and carotenoid concentration of Carassius auratus for a period of 45 days. As a result the proximate composition on the S. simplex indicates that they are rich in protein, lipids, essential amino acids and fatty acids. Availability of these growth factors was perfectly reflected on the successful growth rate of C. auratus. Moreover, presence of carotenoids viz., astaxanthin (36.4 ± 2.4), canthaxanthin (23.6 ± 1.7), and β-carotene (1.7 ± 0.6) has improved the intensity of the skin color of commercially important ornamental fish C. auratus after feeding with S. simplex.

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单纯链头菌作为观赏鱼养殖活饲料的生化组成及营养价值

为评价单纯链头菌作为活体饲料在淡水观赏鱼养殖中的效果，进行了饲料试验。通过比较活体饲料与人工/颗粒饲料的效率，测定45 d鲫鱼的生长速率、生化指标和类胡萝卜素浓度。因此，单形霉的近似组成表明它们富含蛋白质、脂质、必需氨基酸和脂肪酸。这些生长因子的可用性很好地反映了金弧菌的成功生长速度。此外，类胡萝卜素，即虾青素(36.4±2.4)、角黄素(23.6±1.7)和β-胡萝卜素(1.7±0.6)的存在改善了商业上重要的观赏鱼C. auratus投喂单纯弧菌后的皮肤颜色强度。

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Journal of Basic and Applied Zoology

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47 weeks