当前水产养殖的病害问题,已成为制约水产养殖业发展的一个主要因素,为了防治疾病,用药量不断加大,抗生素的大量使用,不仅使病菌产生耐药性,同时给人类带来一定的危害。而虾产品规格小,肉质差,达不到出口的要求,达不到高产、高效的目的,另外由于种苗质量的明显下降,也严重影响了养殖业的发展。 At present, the disease of aquaculture has become a major factor restricting the development of aquaculture. In order to prevent and treat diseases, the dosage of antibiotics is constantly increasing, and the extensive use of antibiotics not only causes the bacteria to become drug-resistant, but also brings certain harm to human beings . The shrimp product specifications, poor quality, less than the export requirements, not up to high yield, high efficiency, the other due to the apparent decline in seedling quality, but also seriously affected the aquaculture development.