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天津市有海水养殖面积6万余亩,绝大多数处于河口附近,水质条件不稳定,水温、盐度变化均较大。几年来一直以中国对虾为海水主要养殖品种。近几年,因受虾病的影响,养虾业遭受极大损失,产量急剧下降,形成大滑坡的局面,部分养虾池荒废或退回到少投虾苗的粗养状态。为养虾配套的育苗场、饵料厂、加工厂也相继处于闲置或转作他用,造成极大的浪费。为改变天津市海水养殖被动局面,应尽快调整海水养殖产品结构,实行多品种单养、混
Tianjin has a sea area of more than 6 acres of mariculture, the vast majority are near the estuary, water quality and instability, water temperature, salinity changes are larger. Over the past few years has been to shrimp as the main aquaculture species. In recent years, due to the impact of shrimp disease, shrimp industry suffered tremendous losses, the output dropped sharply, resulting in a large landslide situation, some of the shrimp ponds abandoned or returned to the less cast shrimp seedling crude culture state. To support the shrimp feeding nursery, food plants, processing plants have also been idle or turn him into use, resulting in great waste. In order to change the passive situation of mariculture in Tianjin, the structure of mariculture products should be adjusted as soon as possible to implement multi-species monoculture and mixed