添加植物和/或动物脂源饲料的天牛生长性能研究

William T. Chaves, E. C. Almeida, Cristiana Carneiro, Larisa Magnone, Nilton Martins, M. Bessonart, J. Zuanon, A. L. Salaro
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引用次数: 0

摘要

羊螯虾(Astyanax altiparanae)具有杂食性、快速生长和易于圈养的特点,具有很大的水产养殖潜力。尽管鱼类的脂质代谢与饲料中消耗的脂肪有直接关系,这可能导致鱼类生长的变化,但关于脂质来源的研究尚未确定,这些脂质来源可以应用于鱼的圈养生产。因此,本研究旨在评估以植物和/或动物来源的脂质为饲料的阿提巴的生长性能和全身组成。采用完全随机设计试验,共5个处理。各组饲粮采用等蛋白和等能饲料,含以下脂质来源:T1:亚麻籽油、奇亚籽油和葵花籽油;T2:亚麻籽油和玉米油;T3:亚麻籽油、奇亚籽油、玉米油和葵花籽油;T4:葵花籽油、玉米油和鱼油;T5:亚麻籽、奇亚籽、向日葵、玉米油和牛脂肪。每个处理重复6次,其中实验单元由10条鱼(平均重量:4.0 + 0.5 g)组成,放置在含有80L脱氯水的水族箱中。采用单因素方差分析(ANOVA)比较各处理间的生长性能参数,显著性为5% (P < 0.05)。结果表明,不同脂源对青鱼的生长性能和全鱼组成均无影响,说明青鱼可有效利用植物脂源及植物与动物混合脂源,且无生长缺陷。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Growth performance of Astyanax altiparanae fed with plant and/or animal lipid sources
The lambari, Astyanax altiparanae, exhibits a great potential for aquaculture due to its omnivory, rapid growth and ease captive production. Despite of fish lipid metabolism being directly related to the dietary lipid consumed, which may lead to changes in fish growth, nothing much have been established regarding the lipid sources that can be applied in A. altiparanae captive production. Thus, this present research was conducted aiming to evaluate the growth performance and whole body composition of A. altiparanae fed with lipid sources of plant and/or animal origins. Were used a Completely Randomized design experiment with five treatments.  The treatments consisted of isoproteic and isoenergetic diets, containing the following lipid sources: T1: linseed, chia and sunflower oils; T2: linseed and corn oils; T3: linseed, chia, corn and sunflower oils; T4: sunflower, corn and fish oils; T5: linseed, chia, sunflower, corn oils and bovine fat. Each treatment was replicated six times, where the experimental units consists of 10 fishes (averaged weight:  4.0 + 0.5 g) placed in an aquarium containing 80L of dechlorinated water. Were compared the growth performance parameters among the treatments by applying an one-way analysis of variance (ANOVA) at 5% significance (P < 0.05). The results revealed that both growth performance and whole body composition of A. altiparanae were not affected by the lipid source, which indicate that these fishes can efficiently use both vegetable lipid sources as well as mixtures of vegetable and animal lipid sources without any growth disadvantages.
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