论文部分内容阅读
近几年南美白对虾养殖成本越来越高,养殖市场的风险越来越大,加上气候变化、海水污染,乱用药,苗种退化等多种因素,造成2012年EMS大面积感染,使许多养殖户血本无归。故近年来生态养殖的呼声越来越高,但因为各个厂家的技术水平参差不齐,行业标准不健全,行业推广迟缓,导致养殖户在养殖过程无法正确判断产品的有效性及合理科学的使用方法,造成乱用药、乱用产品,致使养殖风险越来越
In recent years, Penaeus vannamei farming costs more and more high, the growing risk of the breeding market, coupled with climate change, sea water pollution, indiscriminate use of drugs, seed degeneration and other factors, resulting in 2012 EMS large area infection, so that Many farmers lose everything. Therefore, in recent years, the voice of ecological farming is getting higher and higher, but because of the uneven technical level of various manufacturers, the industry standard is not perfect, and the promotion of the industry is sluggish, farmers can not judge the validity of products and reasonable scientific use of culture Method, resulting in indiscriminate use of drugs, indiscriminate use of products, resulting in more and more breeding risk