| 双棘黄姑鱼卵巢发育的周年变化 |
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| 引用本文： | 沈卓坤,陈怀定,姚茹,赵会宏.双棘黄姑鱼卵巢发育的周年变化[J].广东海洋大学学报,2007,27(1):7-11. |
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| 作者姓名： | 沈卓坤 陈怀定 姚茹 赵会宏 |
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| 作者单位： | 1. 广东省水产学校,广东,广州,510320
2. 华南农业大学动物科学学院,广东,广州,510642 |
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| 基金项目： | 广东省科技兴渔专项基金;广东省重大科技专项基金 |
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| 摘 要： | 观察了双棘黄姑鱼卵巢发育的周年变化,结果表明,双棘黄姑鱼雌鱼性腺成熟系数(GSI)一年有两个峰值,分别出现在5月份(9.38%±0.32%)和10月份(7.56%±0.43%);HSI与GSI密切相关R=0.76];卵巢发育水温在19～29℃范围,繁殖水温为24～28℃,在广东省饶平海区,双棘黄姑鱼繁殖时间在每年的5月和10月,属于春、秋二季产卵类型的鱼类。
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| 关 键 词： | 双棘黄姑鱼 卵巢发育 性腺成熟系数 |
| 文章编号： | 1673-9159（2007）01-0007-05 |
| 修稿时间： | 2006-08-16 |
Seasonal Cycles of Ovary Development of Nibea diacanthus |
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| SHEN Zhuo-kun,CHEN Huai-ding,YAO Ru,ZHAO Hui-hong.Seasonal Cycles of Ovary Development of Nibea diacanthus[J].Journal of Zhanjiang Ocean University,2007,27(1):7-11. |
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| Authors: | SHEN Zhuo-kun CHEN Huai-ding YAO Ru ZHAO Hui-hong |
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| Institution: | 1. Guangdong Provincial Fishery School, Guangzhou 510320, China; 2. Animal Science College, South China Agricultural University, Guangzhou 510642, China |
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| Abstract: | The seasonal cycles of ovary development of Nibea diacanthus were studied. The results showed that there were two GSI peak values during the year, one in May (9.38%±0.32%), and the other in October (7.56%±0.43%). HSI changed closely related with GSI, the relative index between them was 0.76. In Raoping area, Guangdong province, the suitable water temperature for ovary development and reproduction was 19 to 29℃ and 24 to 28℃ respectively. The reproduction season of Nibea diacanthu was in May and October. From these results, we concluded the spawning type of Nibea diacanthu would spawn in both spring and autumn. |
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| Keywords: | Nibea diacanthus ovary development gonadosomatic index |
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