不同包合水平的蛋黄粉对鹅掌楸生长、抗逆性和色素沉着的影响

IF 1.3 Q3 FISHERIES

Journal of Applied Aquaculture Pub Date : 2022-01-28 DOI:10.1080/10454438.2022.2027835

G. Perera, R. Bhujel, K. Salin, L. T. Nguyen, Amonrat Sermwatanakul, Ooi Ei Lin

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引用次数: 1

摘要

卤虫新孵化的无节幼体被广泛用作观赏鱼幼体的活饲料；然而，其高昂的成本和不平衡的营养需要探索可持续的替代品。进行了一项实验，以评估在Guppy（Poecilia reticulata）的苗圃阶段，与盐卤虫（Artemia salina）作为对照相比，蛋黄粉和其他成分（鱼粉、豆粕、大米抛光剂、玉米）的含量分别为0%、5%、10%和20%的四种配方日粮的效果。结果表明，不同日粮的存活率差异无统计学意义（P>0.05）。添加10%蛋黄的鱼粉和18.8%豆粕的鱼苗的增重、日增重和比生长率显著高于其他试验日粮和盐藻（P<0.05）。各日粮的应激指数均高于对照组（P＜0.05）；试验饮食不影响色素沉着。

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Effect of the varying inclusion levels of the egg yolk powder on growth, stress tolerance, and pigmentation of Guppy (Poecilia reticulata)

ABSTRACT The newly hatched nauplii of Artemia is extensively used as a live feed for ornamental fish hatchlings; however, its high cost and unbalanced nutrients necessitate exploring sustainable alternatives. An experiment was conducted to evaluate the effects of four formulated diets of 0%,5%, 10%, and 20% inclusion levels of egg yolk powder and other ingredients (fish meal, soybean meal, rice polish, corn) during the nursery stage of Guppy (Poecilia reticulata) compared to Artemia salina as a control. Results showed that survival did not differ (P > 0.05) among the diets. Weight gain, daily weight gain, and specific growth rate of the fry fed with 10% egg yolk-included diet containing 49.6% fish meal and 18.8% soybean meal were significantly higher (P < 0.05) than those of the other test diets and the A. salina. All the diets showed higher stress indexes (P < 0.05) than the control; the test diets did not affect pigmentation.

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来源期刊

Journal of Applied Aquaculture Environmental Science-Ecology

CiteScore

3.20

自引率

0.00%

发文量

期刊介绍： The Journal of Applied Aquaculture is a platform for the sharing of practical information needed by researchers to meet the needs of investors, farm managers, extension agents and policy makers working to adapt aquaculture theory to achieve economic and food security objectives in the real world. The journal emphasizes multi-disciplinary research and case studies that propose financially and logistically viable solutions to observable problems.