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麻醉剂MS-222对细鳞鱼Brachymystax lenok（Pallas）幼鱼麻醉效果的研究

Anesthetic effect of MS-222 on Brachymystax lenok Pallas

Advance in Agriculture Science / 2019,1(1): 15-23 / 2019-09-26 6197 9351

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• Authors: 王振刚¹ 边昕宇¹² 王茂林¹²* 文逊智³ 刘钢¹² 王伟¹² 孟照勇¹²
• Information:

  1.大连海洋大学农业农村部海水增养殖学重点实验室，大连；
  2.辽宁省北方鱼类应用生物学与增养殖重点实验室，大连；
  3.桓仁渔众不同家庭农场有限公司，本溪

• Keywords:
  Brachymystax lenok Pallas; MS-222; Anesthesia
  细鳞鱼幼鱼; MS-222; 麻醉
• Abstract: The anesthetic effect of different concentrations of MS-222 on Brachymystax lenok Pallas was observed. The results showed that the anesthetic effect of juvenile fish was a gradual process, which can be divided into four groups: non-anaesthesia, light anesthesia, moderate anesthesia and deep anesthesia. There were differences in the time of entering different anaesthesia degree at different concentration of MS-222. In the process of 900 s treated with MS-222, 100% of juvenile fish showed light anaesthesia under the concentration of 30 mg/l. At 301.5 s, juvenile fish all entered mild anesthesia during the concentration of 35 mg/l, 567 s showed moderate anesthesia. At 57.5 s, juvenile fish all entered mild anesthesia during the concentration of 40 mg/l, 638.5 s showed deep anesthesia. During the experiment, 100% of 45 mg/l ~ 55 mg/l showed deep anesthesia, and the duration of all anesthesia was shortened gradually. When the concentration exceeded 45 mg/l, and the anesthesia time exceeded 12 hours, the juvenile fish died. Therefore, attention should be paid to the concentration and time of the anesthetic MS-222. 本实验研究了不同浓度MS-222对细鳞鱼幼鱼的麻醉效果。结果表明：细鳞鱼幼鱼的麻醉过程可分为不被麻醉、轻度麻醉、中度麻醉和深度麻醉；在不同浓度MS-222条件下，细鳞鱼幼鱼进入不同麻醉程度的时间有差异；在30 mg/l浓度下，MS-222处理 900 s，细鳞鱼幼鱼100%呈现轻度麻醉；在35 mg/l浓度下，301.5 s幼鱼全部进入轻度麻醉，567 s呈现中度麻醉；在40 mg/l浓度下，57.5 s幼鱼全部进入轻度麻醉，638.5 s呈现深度麻醉；在45 mg/l，120 s幼鱼直接进入中度麻醉，528.5 s呈现深度麻醉；在45 mg/l~55 mg/l浓度范围，幼鱼100%呈现深度麻醉的情况，且麻醉时间逐渐缩短。浓度超过45 mg/l，麻醉时间超过12 h，细鳞鱼幼鱼出现了死亡，因此使用麻醉剂MS-222需要注意浓度和使用时间。
• DOI: https://doi.org/10.35534/aas.0101002
• Cite: 王振刚，边昕宇，王茂林，等．麻醉剂 MS-222 对细鳞鱼 Brachymystax lenok (Pallas) 幼鱼麻醉效果的研究［J］. 农业科学进展，2019，1（1）：15-23.
  https://doi.org/10.35534/aas.0101002