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首页> 外文期刊>Bulletin of the Aquaculture Association of Canada >Determination of the lethal dissolved oxygen threshold in spotted wolffish (Anarhichas minor) of Quebec origin according to two methods: LC_(50) and PO_(2crit)
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Determination of the lethal dissolved oxygen threshold in spotted wolffish (Anarhichas minor) of Quebec origin according to two methods: LC_(50) and PO_(2crit)

机译：根据LC_（50）和PO_（2crit）两种方法确定魁北克血斑狼鱼（Anarhichas minor）的致死溶解氧阈值

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摘要

This study presents preliminary results of hypoxia tolerance in the spotted wolffish (Anarhichas minor) of Quebec origin according to two methods: LC_(50) and PO_(2crit) The LC_(50) after 96 h exposure to varying dissolved oxygen (DO) concentrations established from 180 fish (average weight ~2 kg) was 20.9% (95% CI = 20.1 - 21.7) of air saturation. Average PO_(2crit) for a sample of 20 similarly-sized fish was 16.9% (95% CI = 15.3 - 18.4) air saturation. From these results it is apparent that DO levels below 21% will result in a high mortality rate in spotted wolffish (up to 50% within 4 days).
机译：这项研究根据两种方法提供了魁北克血斑狼鱼（Anarhichas minor）的耐缺氧性的初步结果：LC_（50）和PO_（2crit）暴露于不同溶解氧（DO）浓度96小时后的LC_（50）从180条鱼（平均体重〜2千克）确定的空气饱和度为20.9％（95％CI = 20.1-21.7）。 20个大小相似的鱼类样品的平均PO_（2crit）为16.9％（95％CI = 15.3-18.4）空气饱和度。从这些结果可以明显看出，DO水平低于21％将导致斑点狼鱼的高死亡率（4天内高达50％）。

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