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当前坑塘养鱼普遍存在着低产现象。从我县情况来看,平均亩产仅在150kg左右,就是条件好的坑塘,也由于资金投入不足,配套设备不全,管理技术跟不上,亩产也不是太高。如何提高鱼产量,我们通过调查分析了低产原因,提出较合理的生产指标和相应的管理措施。 一、坑塘低产的原因 对于坑塘养鱼低产,就生产环境和管理技术而言,有下列几个方面原因:1、坑塘渗漏水严重,加之排注水设备不全,造成池水浅,直接影响了单位面积的鱼产量。2、投放鱼种规格小,质量差,时间晚。影响了鱼产量。3、放养过密,品种和
Currently pit pond fish widespread low-yielding phenomenon. From my county situation, the average yield per mu is only about 150kg, is a good pit pit, but also due to insufficient capital investment, supporting equipment, management techniques can not keep up, not too high per mu. How to improve fish production, we surveyed the causes of low yield, put forward more reasonable production targets and the corresponding management measures. First, the reasons for the low yield Pit pond pit pond fish production, production environment and management techniques, the following reasons: 1, pit pond serious water leakage, coupled with incomplete water equipment, resulting in shallow water, direct Affected fish production per unit area. 2, put the fish species specifications, poor quality, late time. Affect the fish production. 3, stocking too close, varieties and