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在水库原有养殖模式不变的情况下,进行了搭配大口黑鲈的初步试验。套养加州鲈可以将营养价值低的野杂鱼转化为高品质的鲈鱼,同时减轻了养殖鱼类的竞争压力。2005年套养加州鲈后比2004年净利润增加22 026元,增长22.4%。除增加购买加州鲈苗种的费用外基本上未增加其它经费开支,也不增加管理上的麻烦,更没有增加水库养殖的风险。
Preliminary experiments with largemouth bass were carried out with the original farming pattern of the reservoir unchanged. Raising California bass can transform wild boiled fish with low nutritional value into high-quality sea bass, while reducing competitive pressures on farmed fish. After rearing California bass in 2005, its net profit increased by 22 026 yuan over 2004, up 22.4%. In addition to the additional cost of purchasing California seabird species, there was essentially no additional funding, no administrative hassles, and no increased risk of reservoir farming.