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近年来,南美白对虾种质因近亲繁殖而退化,养殖生产过程中普遍存在易发病、生产缓慢、产量低等现象,制约着对虾养殖生产的健康发展。2002年4月10日,唐山市滦南县从美国夏威夷引进SPF(无特定病原)南美白对虾原种亲虾200对,
In recent years, P. vannamei degenerated due to inbreeding, widespread epidemics, slow production and low yield during the breeding process, which restricted the healthy development of shrimp farming. April 10, 2002, Tangshan City, Luannan County, Hawaii from the United States to introduce SPF (no specific pathogen) Penaeus vannamei progeny 200 pairs,