养殖收益=（毛猪卖出收益-仔猪购买价格-饲料费用-人工成本-医疗防疫费用-猪场水电费-其它费用）/卖出肥猪数量。
The future trend about planting grass and fish culture is to increase the culture benefits by improving the quality of culture products. The article has brought forward the suggestion and the measure to promote development of the high-qualified pisciculture.
提出通过追求产量来提高养殖效益的传统种草养鱼生产方式潜力已挖掘殆尽,通过提高养殖产品的品质来实现提高养殖效益将是发展种草养鱼业的未来趋势,并提出了促进高品质草鱼养殖业发展的建议措施。
参考来源 - 我国种草养鱼业的研究现状及发展趋势·2,447,543篇论文数据，部分数据来源于NoteExpress
本发明提高了梭子蟹蟹黄含量，提高养殖产品风味，提高了养殖效益。
The invention satisfies the nutrition demand of swimming crab, increases the crab oil content of swimming crab, improves culture product flavor, and increases culture benefit.
内容包括渔业生产直接消耗系数，价值构成，国民经济效益分析，各种养殖类型的经济指标比较等。
It consists of direct consumptive coefficient of fishery production, construct of value, analysis of the national economic results and a comparison of the economic targets of various types of culture.
近年来，大力推广养殖，取得了很好的经济效益。
In recent years, vigorously promote the breeding and achieved good economic results.
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