5种海水养殖鱼类幼鱼的耗氧率及窒息点

陈婉情, 吴洪喜, 吴亮, 马建忠

海洋学研究 ›› 2015, Vol. 33 ›› Issue (2) : 76-81.

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海洋学研究 ›› 2015, Vol. 33 ›› Issue (2) : 76-81. DOI: 10.3969/j.issn.1001-909X.2015.02.011
研究论文

5种海水养殖鱼类幼鱼的耗氧率及窒息点

  • 陈婉情1,2, 吴洪喜*2,3, 吴亮1,2, 马建忠2,3
作者信息 +

Oxygen consumption rate and suffocation point of the juveniles for five species of mariculture fish

  • CHEN Wan-qing1,2, WU Hong-xi*2,3, WU Liang1,2, MA Jian-zhong2,3
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文章历史 +

摘要

为鱼类苗种运输和养殖过程中溶解氧的科学调控提供理论依据,采用密闭式呼吸实验法探究了20、25和30 ℃水温下豹纹鳃棘鲈Plectropomus leopardus、驼背鲈Cromileptes altivelis、棕点石斑鱼Epinephelus fuscoguttatus、赤点石斑鱼Epinephelus akaara和珍珠龙胆石斑鱼5种海水养殖鱼类幼鱼(体重范围为53.6~84.5 g)的耗氧率和窒息点。结果表明:在盐度为30的条件下,5种海水养殖鱼类幼鱼的耗氧率和窒息点均随水温的升高而升高。同水温下的耗氧率,豹纹鳃棘鲈为最高, 20、25和30 ℃水温下分别为0.15、0.21和0.31 mg/(g·h);珍珠龙胆石斑鱼为最低,20、25和30 ℃水温下分别为0.08、0.15和0.16 mg/(g·h)。同水温下窒息点,驼背鲈为最高, 20、25和30 ℃水温下分别为1.00、1.12和1.21 mg/L ;珍珠龙胆石斑鱼为最低, 20、25和30 ℃水温下分别为0.19、0.24和0.25 mg/L。

Abstract

In order to provide the theory basis for the scientific control of dissolved oxygen in the process of transportation and culture for juvenile fish, the oxygen consumption rate and the suffocation point of the juveniles for five species of mariculture fish (Plectropomus leopardusCromileptes altivelisEpinephelus fuscoguttatusEpinephelus akaara and the hybrid of Epinephelus Lanceolatus×Epinephelus fuscoguttatus♀) of which weight ranged from 53.6 g to 84.5 g under the condition of different temperature(20 ℃, 25 ℃and 30 ℃) were investigated using closed breathing experimental method. The results show that both the oxygen consumption rate and the suffocation point of the juveniles for five species of mariculture fish increase with increasing water temperature under the salinity condition of 30 degree. The oxygen consumption rates of Plectropomus leopardus are the highest, which are 0.15 mg/(g·h), 0.21 mg/(g·h) and 0.31 mg/(g·h) at the water temperature 20 ℃, 25 ℃ and 30 ℃ respectively, while the oxygen consumption rates of the hybrid of Epinephelus Lanceolatus×Epinephelus fuscoguttatus♀ are the lowest, which are 0.08 mg/(g·h), 0.15 mg/(g·h) and 0.16 mg/(g·h) at the same water temperature. The suffocation points of Cromileptes altivelis are the highest, they are 1.00 mg/L, 1.12 mg/L and 1.21 mg/L at the water temperature 20 ℃, 25 ℃ and 30 ℃ respectively, while the suffocation points of the hybrid of Epinephelus Lanceolatus×Epinephelus fuscoguttatus♀ are the lowest, they are 0.19 mg/L, 0.24 mg/L and 0.25 mg/L at the water temperature 20 ℃, 25 ℃ and 30 ℃ respectively.

关键词

豹纹鳃棘鲈 / 驼背鲈 / 棕点石斑鱼 / 赤点石斑鱼 / 珍珠龙胆石斑鱼 / 耗氧率 / 窒息点

Key words

Plectropomus leopardus / Cromileptes altivelis / Epinephelus fuscoguttatus / Epinephelus akaara / hybrid of Epinephelus Lanceolatus ♂×Epinephelus fuscoguttatus / oxygen consumption rate / suffocation point

引用本文

导出引用
陈婉情, 吴洪喜, 吴亮, 马建忠. 5种海水养殖鱼类幼鱼的耗氧率及窒息点[J]. 海洋学研究. 2015, 33(2): 76-81 https://doi.org/10.3969/j.issn.1001-909X.2015.02.011
CHEN Wan-qing, WU Hong-xi, WU Liang, MA Jian-zhong. Oxygen consumption rate and suffocation point of the juveniles for five species of mariculture fish[J]. Journal of Marine Sciences. 2015, 33(2): 76-81 https://doi.org/10.3969/j.issn.1001-909X.2015.02.011
中图分类号: S917   

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基金

浙江省科技计划项目资助(2015F50009);浙江省近岸水域生物资源开发与保护重点实验室人才培养项目资助(2012F20020);浙江省海洋与渔业科技示范推广项目资助(浙海渔计[2013]112号);温州市重点科技创新团队建设项目资助(C20120004);中央立项现代农业生产发展资金鱼类产业提升项目资助(浙海渔计[2013]48号)

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