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首页> 外文期刊>Journal of fisheries and aquatic science >Effect of Dietary Oil Sources and Levels on Growth, Feed Utilization and Whole-Body Chemical Composition of Common Carp, Cyprinus carpio L. Fingerlings
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Effect of Dietary Oil Sources and Levels on Growth, Feed Utilization and Whole-Body Chemical Composition of Common Carp, Cyprinus carpio L. Fingerlings

机译：日粮油源和添加量对鲤鱼小鱼苗生长，饲料利用和整体化学成分的影响

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The effect of dietary oil sources and levels on growth, feed utilization and whole-body chemical composition of common carp ( Cyprinus carpio L.) was studied. Fish (4-5 g) were randomly distributed at a rate of 15 fish/100 L aquarium and fed one of the tested diets for 90 days. The obtained results showed that different growth parameters were affected significantly by dietary lipid sources or lipid levels (p 0.05). The fish growth was maximized when fed diets containing oil mixture (1:1 v/v corn oil : fish oil) more than that fed plant oil or fish oil alone. The fish groups fed fish oil exhibited better growth than that fed plant oil. Fish growth increased significantly due to the increase in dietary lipid levels and the maximum growth was obtained when fish fed a mixed oil diet with a level of 6%. Fish survival was not affected significantly due to the variation in lipid sources or lipid levels (p>0.05) and it ranged 98.3-100%. Feed utilization parameters were affected significantly by either lipid source, levels or their interaction (p feed conversion ratio (FCR) and feed efficiency ratio (FER) were not affected by the interaction (p feed utilization was obtained with fish groups fed diets containing mixed oil at the level of 6%. Moisture, crude protein , total lipids and ash contents were affected significantly by oil level only (p 0.05). Moisture and crude protein contents decreased significantly, while total lipids increased significantly with the increase of oil level (p< 0.05) irrespective to oil source. It is concluded from this study that mixed oil (1:1 v/v corn oil : fish oil) should be added to the diet for common carp fingerlings at a level of 6% irrespective to the lipid content of the basal ingredients of the diet.
机译：研究了膳食油的来源和水平对鲤鱼生长，饲料利用率和全身化学成分的影响。将鱼（4-5克）以15条鱼/ 100 L的水族箱的速率随机分配，并喂食一种测试日粮90天。获得的结果表明，不同的生长参数受到饮食中脂质来源或脂质水平的显着影响（p 0.05）。当饲喂含油混合物（1：1 v / v玉米油：鱼油）的日粮比单独饲喂植物油或鱼油的日粮多时，鱼的生长最大化。饲喂鱼油的鱼群比饲喂植物油的鱼群生长更好。由于饮食中脂质含量的增加，鱼类的生长显着增加，当鱼类饲喂6％的混合油饮食时，鱼类的生长最大。由于脂质来源或脂质水平的变化（p> 0.05），鱼类的存活率未受到明显影响，范围为98.3-100％。饲料利用率参数受到脂类来源，水平或它们之间的相互作用的显着影响（p饲料转化率（FCR）和饲料效率比（FER）不受相互作用的影响（p饲料利用率是用含混合油的鱼群饲喂的）在6％的水平下，水分，粗蛋白，总脂质和灰分含量仅受油水平的影响（p 0.05）。水分和粗蛋白含量显着下降，而总脂质随油水平的增加而显着增加（p <0.05），无论油源如何，从这项研究得出的结论是，普通鲤鱼鱼种的日粮中应添加6％的混合油（1：1 v / v玉米油：鱼油），而与脂质无关饮食中基本成分的含量。

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