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加快研究和推广健康养殖技术,提高经济和生态效益可持续的健康养殖应当是健康苗种培育、放养密度合理、投入和产量水平适中,通过养殖系统内部废弃物的循环再利用,达到对各种资源的最佳利用,最大限度地减少养殖过程中废弃物的产生,在取得理想的养殖效果和经济效益的同时,达到最
Accelerate the research and promotion of healthy farming techniques to improve economic and ecological benefits Sustainable and healthy farming should be healthy seed culture, stocking density is reasonable, input and output levels moderate, through the recycling of waste system within the farming system, to achieve a variety of The best use of resources to minimize the generation of waste in the breeding process, to achieve the desired breeding effect and economic benefits at the same time, to achieve the most