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近几年,我市对虾人工养殖出现了不同程度的病害,特别是1993年,发病率高达90%,死亡率达80%,造成严重的损失,大大挫伤了养殖者的积极性。针对这种情况,需要改革养殖工艺,开展虾池综合利用,利用现有的虾池开展虾、蟹混养,以达到稳定虾池水体生态平衡、降低发病率、提高经济效益的目的,引导全市养虾业走出低谷。在有关部门的支持下,今年2月—8月底,我们进行了“虾池综合利用”试验,达到了预期的目的,现将试验情况介绍如下。
In recent years, there have been various degrees of disease in shrimp farming in our city. Especially in 1993, the incidence was as high as 90% with a mortality rate of 80%, causing serious losses and greatly dampens the enthusiasm of farmers. In response to this situation, the need to reform the breeding process, carry out the comprehensive utilization of shrimp ponds, the use of existing shrimp ponds to carry out shrimp, crab polyculture in order to stabilize shrimp ponds water ecological balance, reduce morbidity and improve economic efficiency purposes, to guide the city Shrimp industry out of the trough. With the support of relevant departments, from February to the end of August this year, we conducted the trial of “Comprehensive Utilization of Shrimp Pools” to achieve the expected purpose. The test conditions are as follows.