Description of the problem:
Thanks!
Answer:
Chub hemorrhagic disease treatment methods, in the pond can be used trichloroisocyanuric acid, chlorine dioxide, hydantoin, bromochlorine and other fish medicine treatment, generally only used to splash, but also the use of internal and external use of a combination of methods, but in the application of the above drugs in the surface of the water, often the cost of treatment is higher in order to both effective treatment of the fish disease, but also minimize the investment in treatment, can be used in the following way. In order to effectively treat fish disease, but also minimize the investment in treatment, the following methods can be used.
1, on the onset of mild, only a small number of dead fish, can be used internally: by comparison, the efficacy of the better: fish blood scattered (Shanghai Hitech), every day, every 500kg with 1000kg with 50 pounds of powdered feed for 3 days, you can effectively control the fish disease spread, such as even three days did not have a complete control, can be discontinued for a day on the fourth day, the fifth, six days and then two days of internal service. Note: If you have a habit of feeding before, you can mix the bait and feed it after stopping feeding for a day. If you don't have a habit of feeding, you should train food for 2-3 days before feeding the bait. You can also choose other internal medicine, can be doubled according to the preventive dosage, and used for three days.
2, on the onset of more serious, hundreds of pounds of death per day, must use topical drugs throughout the lake (library) splash, drug selection has two options: one is to use quicklime, on the surface of the water is large, deep or running water, the general dosage of 30-40 ppm, (the minimum is not less than 27 ppm) splash, can be effectively controlled, and the second is to use copper sulfate (the content of which must be in the 95% or more) with the fish double Ling The second is to use copper sulfate (the content must be 95% or more) with fish double Ling or fungus worm Ray or blood stop or double effect fast gram and other fish medicine, water splashing, can effectively control the development of fish disease diffusion.
3, on the particularly serious, more than 1,000 kilograms of dead fish per day, one is to use the combination of internal medicine and external medicine, internal medicine for three days, external medicine with a, two is to use external medicine within three days with two, but the second dosage can be appropriately reduced.