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首页> 外文期刊>Fisheries Science >Ventilation of seawater during bleeding suppresses the occurrence of burnt meat in yellowtail Seriola quinqueradiata
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Ventilation of seawater during bleeding suppresses the occurrence of burnt meat in yellowtail Seriola quinqueradiata

机译：出血期间的海水通风抑制了黄尾tail（Seriola quinqueradiata）中烧肉的发生

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摘要

Fifteen farmed yellowtail Seriola quinqueradiata were randomly selected from sea cages. Five fish were slaughtered instantly by cutting the spinal bulb (control group). The remaining ten fish were left for 20 min in a narrow net and then they were slaughtered by cutting the spinal bulb instantly. These ten fish were bled in two water tanks. In one tank, the water was aerated (ventilation group), while the other tank was not aerated (burnt group). The ATP ratio in the control group (83.8 ± 4.1%) was higher than the ventilation group (37.2 ± 22.1%) and the burnt group (5.8 ± 6.0%) at 3 h after slaughter. The K value of the burnt group increased remarkably at 3 h after slaughter, and was significantly higher than those for the other groups. The ventilation group showed a recovery in available energy for physiological maintenance to the same level as the control group during bleeding, as well as a significantly slowed loss of muscular firmness compared to the burnt group. This study shows that the yellowtail continued to respire and take up oxygen until complete physiological death, and elevated oxygen levels during bleeding slowed the postmortem changes and suppressed the occurrence of burnt meat.
机译：从海笼中随机选择了十五只养殖的黄尾tailSeriola quinqueradiata。通过切开脊髓立即杀死了五条鱼（对照组）。剩余的十条鱼在狭窄的网中放置20分钟，然后立即切开脊髓，将其杀死。这十条鱼在两个水箱中放血。在一个水箱中，给水充气（通风组），而另一水箱中不给水充气（燃烧组）。屠宰后3 h，对照组的ATP比（83.8±4.1％）高于通气组（37.2±22.1％）和烧伤组（5.8±6.0％）。屠宰后3 h，烧伤组的K值显着增加，且明显高于其他组。通气组在出血期间显示出用于维持生理状态的可用能量恢复到与对照组相同的水平，并且与烧伤组相比，肌肉硬度的损失明显减慢。这项研究表明，tail鱼继续呼吸并吸收氧气，直到完全的生理死亡，并且在出血期间升高的氧气水平减缓了死后的变化并抑制了烧腊的发生。

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