论文部分内容阅读
近年来,随着鱼类养殖规模的扩大和集约化养鱼技术的推广,鱼类发病率日益升高,药害事故也屡屡见诸报端。因而科学选用渔药,是有效防治鱼类疾病、确保健康养鱼成功的关键。1坚持”全面预防,积极治疗”的方针确立“以防为主,防重于治”的观念。治疗是不得已情况下采用的手段,有很多鱼病难以医治,但预防却很有效,如孢子虫病、小瓜虫病等,这些鱼病即使医好,也会因鱼体丑陋、变形难看而造成销售困难。
In recent years, with the expansion of fish farming and the promotion of intensive fish farming techniques, the incidence of fish has been on the rise, and many accidents have been reported frequently. Therefore, the scientific use of fishery drugs is an effective prevention and treatment of fish diseases, to ensure the success of healthy fish farming the key. 1 Adhere to the principle of “comprehensive prevention and active treatment” and establish the concept of “prevention first, prevention first”. Treatment is a last resort. There are many fish diseases that are difficult to cure. However, prevention is very effective. For example, sporozoosis and small melon and other diseases, these fish diseases are ugly and distorted Cause sales difficult.