长丰鲢与鲢的耗氧率以及窒息点比较研究
Studies on the Oxygen Consumption Rate and Asphyxiant Point of Changfeng Silver Carp and Silver Carp
DOI: 10.12677/OJFR.2020.74026, PDF,    国家科技经费支持
作者: 罗相忠, 邹桂伟*, 梁宏伟, 沙 航, 王 丹：中国水产科学研究院长江水产研究所，湖北 武汉
关键词: 长丰鲢；鲢；耗氧率；窒息点；Changfeng Silver Carp； Silver Carp； Oxygen Consumption Rate； Asphyxiant Point
摘要: 为进一步对长丰鲢的优良性状进行挖掘，本文开展了长丰鲢和鲢的耗氧率与窒息点的比较研究。结果显示：在水温25℃ ± 0.5℃范围内，体质量80~130 g、体长17.1~21.8 cm的长丰鲢和鲢的平均耗氧率分别为0.0875 mg/(g∙h)和0.1251 mg/(g∙h)；长丰鲢和鲢耗氧率呈现昼夜节律变化。鲢的平均耗氧率明显高于长丰鲢(P < 0.05)。水温22.5℃ ± 0.5℃范围，长丰鲢和鲢的窒息点分别为0.21 mg/L和0.27 mg/L，长丰鲢的窒息点明显低于鲢(P < 0.05)。并分析了它们的耗氧率的昼夜变化规律以及窒息点的差异原因，讨论了长丰鲢耗氧率与窒息点低于鲢的可能性原因。
Abstract: In order to further excavate the fine characteristics of Changfeng silver car, the oxygen consumption rate and asphyxiant point of Changfeng silver carp and silver carp were studied preliminarily. The results showed that oxygen consumption rates of Changfeng silver carp and silver carp were 0.0875, 0.1251.5 mg/(g·h) (the water temperature was 25˚C ± 0.5˚C; fish bodylength was 17.1 - 21.8 cm; and body weight was 80 - 130 g) and there were an apparent difference on the oxygen consumptions of Changfeng carp and silver carp during the day and night. The average oxygen consumption rate of silver carp was significantly higher than that of Changfengsilver carp (P < 0.05). The suffocation points of Changfeng silver carp and silver carp were 0.21, and 0.27 mg/L (the average water temperature was 22.5˚C ± 0.5˚C). The suffocation point of Changfeng silver carp was significantly lower than that of silver carp (P < 0.05). The diurnal variation of oxygen consumption rate and the reasons for the difference of asphyxiation point were analyzed for Changfeng silver carp and silver carp. The possible reasons why oxygen consumption rate and asphyxiation point of Changfeng silver carp is lower than silver carp were also discussed.
文章引用：罗相忠, 邹桂伟, 梁宏伟, 沙航, 王丹. 长丰鲢与鲢的耗氧率以及窒息点比较研究[J]. 水产研究, 2020, 7(4): 182-187. https://doi.org/10.12677/OJFR.2020.74026

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