凡纳滨对虾又称南美白对虾,是我国养殖量最大,产业化程度最高的养殖对虾品种。然而在集约化养殖过程中,由于密度高、水交换差及环境不稳定导致对虾生长慢且病害频发,为提高生长速度和防制病害,各种化学药物广泛应用,由此引发社会 Litopenaeus vannamei, also known as white shrimp Penaeus vannamei, is China’s largest livestock production, the highest degree of industrialization of cultured shrimp species. However, due to the high density, poor water exchange and environmental instability, shrimp grow slowly and have frequent diseases. In order to increase the growth rate and prevent disease, a wide range of chemical drugs are widely used, which leads to the social