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首页> 美国卫生研究院文献>other >Improvement of Muscle Quality of Grass Carp (Ctenopharyngodon idellus) With a Bio-Floating Bed in Culture Ponds
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Improvement of Muscle Quality of Grass Carp (Ctenopharyngodon idellus) With a Bio-Floating Bed in Culture Ponds

机译：在养殖池中使用生物浮床改善草鱼肌肉的质量

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摘要

Muscle quality and the physiological condition of fish are affected greatly by the culture environment. In aquaculture ponds, a bio-floating bed planted with vegetation is often used to improve water quality. This study investigated the growth and muscle quality of grass carp (Ctenopharyngodon idellus) cultured in ponds equipped with bio-floating beds. Fish were cultured in two replicated pond groups from May to November. Fish in the first group were cultured in experimental ponds equipped with a bio-floating bed planted with Ipomoea aquatica, whereas fish in the other group were reared in control ponds without a bio-floating bed. Compared with control ponds, the experimental ponds had better water quality with significantly lower concentrations of nitrite and ammonia. Grass carp in the experimental group had greater muscle weight gain, a significantly higher content of crude protein, and a significantly lower crude fat level than fish in the control group. The levels of pH, water-holding capacity, and antioxidant capacity of muscle decreased significantly in the control group compared to the experimental group. Texture profile analysis revealed higher values of hardness, springiness, gumminess, and chewiness and lower values of cohesiveness and resilience of white muscle in the experimental group compared to the control group. The filets of fish in the experimental group also received higher grades in the sensory evaluation of springiness, overall acceptability, aroma, and palatability. These results indicate that growth performance and muscle quality of grass carp were improved by the presence of bio-floating beds in the culture ponds.
机译：养殖环境极大地影响了鱼类的肌肉质量和生理状况。在水产养殖池塘中，通常使用种植有植物的生物浮床来改善水质。本研究调查了在配有生物浮床的池塘中养殖的草鱼的生长和肌肉质量。从5月到11月，将鱼分成两个重复的池塘组进行养殖。第一组中的鱼在配有生物浮床的实验池塘中进行养殖，而该生物床中种植了水生番薯，而另一组中的鱼则在没有生物浮床的对照池塘中进行饲养。与对照池塘相比，实验池塘的水质更好，亚硝酸盐和氨的浓度明显较低。与对照组相比，实验组的草鱼肌肉增重更大，粗蛋白含量明显提高，粗脂肪水平明显降低。与实验组相比，对照组的肌肉的pH，保水能力和抗氧化能力水平显着下降。纹理轮廓分析显示，与对照组相比，实验组的白肌硬度，弹性，胶质和耐嚼性值较高，而白肌的凝聚力和弹性值较低。实验组的鱼片在弹性，总体可接受性，香气和适口性的感官评价上也获得了较高的评价。这些结果表明，养殖池塘中存在生物浮床，从而改善了草鱼的生长性能和肌肉质量。

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