不久前,在将远东草食性鱼类移入苏联欧洲部分的水库和内陆水域方面存在着两种观点(全俄罗斯池塘养鱼业研究所和乌克兰渔业科学研究院持一种观点,国内湖河渔业研究所持另一种观点)。十分清楚,标准的Ⅱ龄鱼抵抗力较强,但单凭这一点就证明它的优越性是不科学的。行家们应该挑选既有足够的抵抗力又可回收饲养费用的鱼进行放养。因此,较为恰当地来说,关键不在于放 Not long ago, there were two perspectives on moving Far Eastern herbivorous fish into reservoirs and inland waters in the European part of the Soviet Union (All-Russia Pond Fish Culture Institute and Ukrainian Academy of Fishery Sciences hold the view that domestic lakes and fisheries Another view held by the study). It is very clear that the standard Ⅱ-age fish is more resistant, but this alone proves that its superiority is unscientific. Hackers should stock fish that are both resistant and cost-recuperating. So, more appropriately, the key is not to let go