近几年来，全国水产技术推广总站结合引进国外水产新品种和开发推广国内水产优良品种曾经与一些单位合作建立了良种示范基地；结合推广水产健康养殖技术，推荐了部分水产养殖的水质改良剂、鱼虾防病药物、饲料和饲料添加剂，这些合作为水产新品种、新技术的推广起到了一定的促 In recent years, the National Aquatic Technology Extension Station, in combination with the introduction of new foreign species of aquatic products and the development and promotion of domestic excellent varieties of aquatic products, has established a good variety demonstration base in cooperation with some units. In combination with the promotion of healthy aquaculture techniques, some aquatic quality improvers, Fish and shrimp disease prevention drugs, feed and feed additives, these cooperation for the promotion of new aquatic products, new technology has played a certain role in promoting