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无公害防治鱼病必须以健康养殖为主,并要积极采取生态、生物、物理、化学等方法进行科学有效的防治,以确保水产品的安全。1.生态防治 根据水产的病虫害发生规律及所需条件,通过分期控制温、光、水、气等因素,防治病虫害的发生,如在生产管理过程中,可以通过人工变温、调节 pH、注水增氧(或降温)、适当种植一些水生植物净化水质
Pollution-free fish disease prevention and treatment must be based on healthy farming, and to actively take ecological, biological, physical, chemical and other methods for scientific and effective control to ensure the safety of aquatic products. 1. Ecological control According to the pest occurrence and requirements of aquatic products, the control of pests and diseases can be controlled by stages such as temperature, light, water and gas. For example, in the process of production and management, the temperature can be adjusted by artificial temperature adjustment, pH, water injection Oxygen (or cooling), appropriate planting some aquatic plants to purify water