| 河蟹土池育苗阶段性养水给饵技术的探索 |
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| 引用本文： | 陆开宏,周洪,茅树杰. 河蟹土池育苗阶段性养水给饵技术的探索[J]. 浙江海洋学院学报(自然科学版), 2000, 19(3): 225-229 |
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| 作者姓名： | 陆开宏 周洪 茅树杰 |
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| 作者单位： | [1]宁波大学海洋与水产系，宁波315211 [2]余姚市渔政站，余姚 |
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| 摘 要： | 分别于1997年3～4月和1998年4～5月在浙江舟山、鄞县两地河蟹土池育苗中进行了一种阶段性养水给饵技术的试验。主要技术措施包括孵幼前的施肥养水、幼体培育中丰年虫无节幼体的间断性停喂和后期外源性天然饵料的利用。结果表明，该技术不仅可以减少饵料及亲蟹成本，而且可明显提高一期蚤幼的变态率，稳定土池育苗的产量。
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| 关 键 词： | 河蟹 土池育苗 施肥养水 阶段性给饵 |
Studies on a Technique of Intermittent Feeding in Artificial Breeding of Mitten Crab in Earthen Ponds |
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| Abstract: | The testsof intermittent fertilizing and feeding in artificial breeding of Mitten crab are carriedout respectively in earthen ponds of Zhoushan and Yinxian. The main technical measuresinclude fertilizing bebofe hatching of crab eggs, intermittent feeding during cultivationof the larvae and utilization of exogenous natural food. The results indicate that thetechnique could not only reduce the cost of food and parent crab, but also increaseevidently the metamorphism ratio of Z1 and stabilize the output of crab seedling. |
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