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鲫(♀)×鲤(♂)远缘杂交育种的研究,据国内外报道,虽然育出性状比较优良的仔代,但因雄性不育,始终没有培育成新的养殖品种,对渔业生产没有带来直接影响。我场从一九七三年开始搞鲫鲤人工杂交试验,当年获得一批具有两亲本优良性状的杂交仔代。一九七七年开始发现人工杂交仔代(F1)有自然繁殖现象,在饲养池塘中有大量自然繁殖的杂交鱼种。为了证实这一发现,今年我场从池塘和养殖
Crucian carp (Cyprinus carpio × carp (♂) distant hybridization research, according to reports at home and abroad, although the traits born better offspring, but because of male sterility, has never been cultivated into a new breed of aquaculture, there is no Have a direct impact. My field from 1973 to engage in artificial test of crucian carp, the year was a group of crossbreed with the fine traits of the parents. Beginning in 1977, it was found that artificial hybridization (F1) was a natural breeding phenomenon and that there were a large number of naturally propagated hybrids in breeding ponds. To confirm this finding, this year I went from ponds to farms