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江黄颡鱼人工繁殖的初步研究

作  者:
王武;刘利平;张克俭;张东升;赵期中;张宏刚;潘晓宏;程保政;李怀华
单  位:
淮南市农林局;上海水产大学
关键词:
江黄颡鱼;人工繁殖
摘  要:
对江黄颡鱼 ( Pseudobagrusvachelli Richardson)的人工繁殖进行了初步试验。先用 LRH-A2 预备针催熟 ,再用 1 mg PG+2 .5 mg DOM+3.5μg LRH-A2 混合催产 ,水温 2 4~ 2 7℃下 ,效应时间为 2 0~2 4 h,产卵率可达 97%。采用等渗液稀释磨碎的精巢 ,经人工授精 ,受精率达 70 %。采用塑料网片粘卵 ,在孵化环道内孵化 ,孵化率达 94 %。此外 ,对江黄颡自然繁殖的生态条件进行了探讨
译  名:
Preliminary Studies on Artificial Propagation of Pseudobagrus vachelli
作  者:
WANG Wu 1 LIU Li ping 1 ZHANG Ke jian 1 ZHANG Dong sheng 1 ZHAO Qi zhong 2 ZHANG Hong gang 2 PAN Xiao hong 2 CHENG Bao zhen 2 LI Huan hua 2 ( 1. Shanghai Fisheries University,200090 2. Agricultural and Forestry Bureau of Hua
关键词:
Pseudobagrus vachelli Artificial propagation
摘  要:
Experiments on artificial propagation of Pseudobagrus vachelli were preliminarily conducted in the present study. LRH A 2 was injected as a pretreatment to induce maturation of the parent fish. Compared with the other treatments, the man made hormone combination of 1 mg PG+ 2.5 mg DOM+3.5 μg LRH A 2 achieved the best results : the spawning rate was up to 97%. The effective time varied from 20 to 24hrs at the water temperature of 24~27℃. By the method of artificial insemination with the semen in iso osmotic solution, the fertilization rate reached 70%. With fertilized eggs attached to net pieces and hatched in circular facilities, the hatching rate was 94%. A total of 552000 larvae were yielded. In addition, the natural reproductive ecology of this species was discussed in the paper.

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