饲料中添加脱脂黄粉虫是否会影响鲤鱼幼鱼的生长和体成分?

IF 0.7 4区 农林科学 Q3 AGRICULTURE, DAIRY & ANIMAL SCIENCE
A. Gebremichael, Z. Sándor, B. Kucska
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引用次数: 2

摘要

本试验旨在评价脱脂黄粉虫(Tenebrio molitor)鱼粉全部和部分替代鱼粉对初始体重为97.54 g±51.0 g的1夏龄鲤鱼(Cyprinus carpio)的效果。将鱼饲养在一个试验循环水养殖系统(9 × 250 L水箱)中,投喂两种替代粉虫粉的试验饲料和一种添加100 g/kg不含粉虫粉的对照饲料(MWM0)。在第一次处理中,将50%的鱼粉替换为粉虫粉(MWM50)。在第二个处理中,将鱼粉完全替换为粉虫粉(MWM100)。按鱼生物量的3.0%每天投喂3次。试验期6周后,比较生长性能、养分利用率、体成分和生物特征指标。结果表明,粉虫饲料添加水平对鲤鱼的生长性能影响不显著。MWM100的增重最高,特定生长率为0.76±0.10 g/d。试验组与对照组鱼体粗脂肪含量差异显著。本研究表明,MWM可作为一种替代鱼粉的饲料蛋白质源,对1夏龄鲤鱼的生长性能无不良影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Does dietary inclusion of defatted yellow mealworm (Tenebrio molitor) affect growth and body composition of juvenile common carp (Cyprinus carpio)?
The objective of this study was to evaluate the effects of total and partial replacement of fishmeal with defatted yellow mealworm (Tenebrio molitor) meal on one-summer-old common carp (Cyprinus carpio) with an initial bodyweight of 97.54 g ± 51.0 g. Fish were kept in an experimental recirculating aquaculture system (9 x 250 L tanks) and fed with two experimental diets formulated with mealworm meal replacements and one control, which had 100 g/kg fishmeal without mealworm meal (MWM0). In the first treatment, 50% of fishmeal was replaced with mealworm meal (MWM50). In the second treatment, fishmeal was replaced totally with mealworm meal (MWM100). Fish were fed three times per day at 3.0% of fish biomass. After six weeks of the experimental period, growth performance, nutrient utilization, body composition, and biometric indices were compared. The results revealed that the growth performance of common carp was not affected significantly by the inclusion level of mealworm meal. However, the highest weight gain was observed in MWM100, where specific growth rate was 0.76 ± 0.10 g/day. Crude fat content of the fish body differed significantly between experimental groups and the control. This investigation demonstrated that MWM could be used as an alternative dietary protein source to replace fishmeal without adverse effects on the growth performance of one-summer-old common carp.
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来源期刊
South African Journal of Animal Science
South African Journal of Animal Science 农林科学-奶制品与动物科学
CiteScore
1.50
自引率
0.00%
发文量
39
审稿时长
>36 weeks
期刊介绍: The South African Journal of Animal Science is an open access, peer-reviewed journal for publication of original scientific articles and reviews in the field of animal science. The journal publishes reports of research dealing with production of farmed animal species (cattle, sheep, goats, pigs, horses, poultry and ostriches), as well as pertinent aspects of research on aquatic and wildlife species. Disciplines covered nutrition, genetics, physiology, and production systems. Systematic research on animal products, behaviour, and welfare are also invited. Rigorous testing of well-specified hypotheses is expected.
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