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斑节对虾的遗传育种研究
Authors
周杰良
王桂忠
谭树华
Publication date
30 December 2002
Publisher
Abstract
斑节对虾(Penaeus monodon)俗称草虾,是世界三大养殖虾类之一。广泛分布于印度洋和西太平洋,也是我国本土优质对虾资源之一,但尚未形成遗传稳定的养殖品系,养殖种苗除少数来自海捕外,绝大多数通过人工繁殖获得。供人工繁殖的亲虾主要来自两方面:一是捕捞野生怀卵虾,二是通过摘除眼柄和人工诱导野生雌虾性成熟和产卵,但二者均依赖野生资源。斑节对虾养殖的迅速发展对野生资源造成了极大的压力,过度开发势必引起种质的退化;同时,长期依赖野生亲体培育苗种产生了一些弊端,如亲体携带病毒,养殖对象生长减慢,抗病力下降等。因此,为保护野生资源和阻止野生虾类遗传多样性的丧失,尽快形成遗传稳定的养殖品系显得尤为迫切
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Last time updated on 10/06/2020