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在鱼、虾、蟹等水产养殖的防病治病过程中,只有掌握正确的用药方法,才能取得理想的防治效果,才能真正实现低本、高效、生态、安全、无公害。为此,这里特介绍几种近年来经水产养殖实践证明的正确用药新技术:一、不定期用药。过去人们一直认为,甚至连教课书也认为养殖鱼虾等应定期用药,每10～15天用一个疗程(3～5天)抗菌素,有的甚至长期在饲料中添加抗菌素,用以防治鱼虾病害。实际上这是一个误区。长期定期用药,不仅会造成浪
In fish, shrimp, crab and other aquaculture disease prevention and treatment process, only by the correct method of medication in order to achieve the desired effect of prevention and control, in order to truly low-cost, high efficiency, ecological, safe and pollution-free. To this end, here are some special introduced in recent years by the aquaculture practice proved the correct use of new drugs: First, from time to time medication. In the past, people always thought that even the textbooks should think that the farmed fish and shrimp should be regularly treated with one course of treatment (3-5 days) every 10 to 15 days, and some even add antibiotics to the feed for a long time to prevent and cure fish Shrimp disease. In fact, this is a misunderstanding. Long-term regular medication, not only will cause waves