论文部分内容阅读
引起亲鱼产后死亡的原因主要有: 1.拉网次数多,操作不熟练,亲鱼受伤严重。 2.催产剂量过大,亲鱼反应强烈.产后体质极度虚弱。 3.产后对亲鱼处理不严格,没有注射抗菌素和伤口未涂抹消炎药,以致引起伤口溃烂或长水霉。 4.产后亲鱼放养塘未经清塘消毒或不彻底,使得亲鱼不能在其所需的水质清新,溶氧充足,无病菌的良好环境下休息和调养,以致体质不能恢复。
The main causes of postnatal death of broodstock are: 1. Pull the net number, inexperienced, broodstock seriously injured. 2. Oxytocin dose is too large, the broodstock reaction is intense. Postpartum physical weakness. 3. Postnatal treatment of broodstock is not strict, there is no injection of antibiotics and wounds are not smeared anti-inflammatory drugs, resulting in wound ulcers or watery mildew. 4. Postpartum broodstock stocking ponds have not been disinfected or not thoroughly cleaned pond, making the broodstock can not be in its required fresh water quality, adequate oxygen-free, bacteria-free good environment for rest and recuperation, resulting in constitution can not be restored.