Current study was conducted to evaluate the efficacy of modified canola oil (MCO) with enhanced levels of omega 3 fatty acids, to replace menhaden fish oil (MFO) in practical diets (36% protein and 8% lipid) of Litopenaeus vannamei. In first two trials, the basal diet containing 100% MFO was incrementally replaced by 25%, 50%, 75% and 100% MCO, which clearly demonstrated the potential of using MCO as a replacement for up to 75% of the supplemented MFO in poultry meal‐based diets. In the third trial, two series of diets were evaluated including fishmeal‐based diets replacing MFO by 25%, 50%, 75% and 100% MCO and three poultry meal‐based diets with 100% MFO, 75% MCO and 75% MCO supplemented with 4% hydrolysed salmon by‐product meal (HSM) as an attractant. In conclusion, no significant differences in performances of shrimp between diets were noted indicating no palatability issue in poultry meal‐based MCO diet and confirmed the efficacy of replacing 100% MFO by MCO in a low fishmeal diets and up to 75% in poultrymeal‐based diets without compromising the growth of shrimp.

中文翻译：

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改良菜籽油在太平洋白对虾凡纳滨对虾实用饮食中替代鱼油的功效

目前的研究是为了评估改良的低芥酸菜籽油（MCO）的欧米加3脂肪酸水平，以代替凡纳滨对虾实用饮食（36％蛋白质和8％脂质）中的男子鱼油（MFO）的功效。。在前两个试验中，将含有100％MFO的基础饮食逐步替换为25％，50％，75％和100％MCO，这清楚地证明了在多达75％的补充MFO中使用MCO替代的可能性。家禽餐饮食。在第三项试验中，评估了两个系列的饮食，包括以鱼粉为基础的饮食代替MFO分别为25％，50％，75％和100％MCO，以及三种以100％MFO，75％MCO和75％MCO为基础的禽肉饮食辅以4％的水解鲑鱼副产物粉（HSM）作为引诱剂。总之，在日粮之间虾的性能没有显着差异，表明在基于家禽粉的MCO日粮中没有适口性问题，并证实了在低鱼粉日粮中用MCO替代100％MFO的功效，而在以家禽粉为基础的日粮中高达75％在不损害虾的生长的前提下进行饮食。