What are the methods for fish disease prevention and control? A detailed explanation of prevention and treatment techniques
Fish disease prevention and control methods
Practice has shown that using Chinese herbal medicines to prevent and control fish diseases has the advantages of a wide range of medicinal sources, easy access to materials, low cost, and good safety and effectiveness, and the effect on fish disease prevention and control is very significant.
I. Prevention and control of enteritis disease
1. Tobacco stalks Mainly treats enteritis disease, and also treats branchiomycosis and red-skin disease. For every 667 sq m with a water depth of 1 m, use 2 kg-3 kg of tobacco stalks (or 0.5 kg of tobacco leaves boiled into juice) and mix evenly with 10 kg-15 kg of fermented rabbit manure, then spread and apply.
2. Garlic For every 100 kg of fish, take 2 kg of garlic bulbs each time, mash them as thoroughly as possible, then cut about 15 kg of tender Sudan grass or tender upland grass into 3 cm lengths. First stir the garlic paste evenly with an appropriate amount of flour, then add the grass and mix, spread it out to dry the moisture on the leaf surface, and then scatter it throughout the pond to let the fish swallow and eat it. Once a day for 3 days-4 days, and this disease can be cured. At the same time, scattering crystal trichlorfon once has a better effect, with a dosage of 0.3 g per cubic meter of water.
3. Purslane For every 50 kg of fish, feed 1.5 kg-3 kg of chopped fresh purslane, or mix it with feed and feed it, continuously for 2 days-5 days, once a day.
4. Rhubarb and double cherry seed flowers Mash the rhubarb and add an appropriate amount of water, boil for 10 minutes, take the medicinal liquid and dilute it to a 1% concentration, and soak the fingerlings for 5 minutes. The preparation method for double cherry seed flowers is basically the same, but the fish body can be soaked for 15 minutes.
5. Copperleaf For every 667 sq m of water surface, take 125 g of dried copperleaf and 125 g of dried water pepper, mix them, add water, and decoct into juice. Then mix with bait and feed to the fish, once a day, continuously for 3 days-4 days.
6. Agrimony Also called hairy agrimony, mainly treats enteritis disease, and also treats bacterial branchiomycosis. For every 100 kg of fish, use 0.5 kg of agrimony, add an appropriate amount of water, boil for 10 minutes-15 minutes, mix the residue and juice with rice bran and shape into balls. After cooling, put them on the feeding platform, and administer continuously for 2 days-3 days.
II. Prevention and control of branchiomycosis
1. Humifuse euphorbia herb For every 50 kg of fish, use 2.5 kg of fresh humifuse euphorbia herb or 0.5 kg of dried humifuse euphorbia herb, decoct into juice, and mix into the feed for feeding. The tender seedlings can also be chopped and fed directly, once a day, continuously for 3 days-5 days.
2. Sweet flag Mainly treats branchiomycosis, and also treats enteritis disease and red-skin disease. Take fresh sweet flag, crush slightly or cut, tie into bundles with pine branches, and soak at the water inlet of the fish pond or on the bottom around the pond. For every 667 sq m of water surface, use 5 kg-7.5 kg, 1 time-2 times per month; or for every 50 kg of grass carp, use 2.5 kg-4 kg of fresh sweet flag juice mixed with bait or mixed with grass feed for feeding, and sweet flag can also be fed directly, with the feeding amount at about 10% of the fish weight; or for every 667 sq m of water surface, use about 5 kg of fresh sweet flag, chop it, squeeze the juice, and splash it throughout the pond with the residue, once every other day, splashing continuously for 2 times-3 times.
3. Maple leaves For every 667 sq m of water surface, use 20 kg of maple leaves, mash them, add water, and splash throughout the pond, once a day, splashing continuously for 3 days-4 days.
4. Ant nests For every 667 sq m with a water depth of 1 m, use 1-2 ant nests from tea trees, burn them into ash, mix into concentrated feed, and administer to the fish. It can show effect after 1 time-2 times.
III. Prevention and control of red-skin disease
1. Castor Mainly treats red-skin disease, and also treats branchiomycosis. Use fresh castor stems and leaves, 5 kg-10 kg per 667 sq m of water surface, tie into several bundles, and soak in the water, each time for 3 days-4 days, continuously for 2 times.
2. Gallnut Mainly treats red-skin disease, and also treats white head and white mouth disease, white skin disease, and furunculosis. For every cubic meter, use 2 g-4 g, decoct into juice, and splash throughout the pond, splashing continuously for 2 times-3 times, once a day.
V. Prevention and control of spawning disease Sophora flavescens has a significant effect on preventing and controlling fish spawning disease. For each portion of Sophora flavescens, add 3 times-5 times cold water and soak for a moment, then boil, and then simmer over low heat for 30 minutes-60 minutes. After boiling, for every 667 sq m of water surface, use 1 kg-1.5 kg of the juice together with the medicinal residue and splash it onto the pond water, once a day, with 3 days as one treatment course. For mild illness, 1 treatment course is enough; for severe illness, 2-3 treatment courses are needed.
VI. Prevention and control of saprolegniasis Gallnut is a good medicine for preventing and controlling saprolegniasis. After the fish body is injured by collision, if the wound is infected with saprolegniasis, treating it with gallnut has a very good effect. Usage: crush gallnut into powder, add about 10 times water, boil and then continue boiling for 2 minutes-3 minutes, then add water to dilute, and splash throughout the pond. Dosage: make the pond water use 1.3 g-2 g of medicine per cubic meter of water. The application amount must follow the regulations, and the calculation of the pond water volume must be exact. Excessive application will cause the death of pond fish.
I. Prevention and control of enteritis disease
1. Tobacco stalks Mainly treats enteritis disease, and also treats branchiomycosis and red-skin disease. For every 667 sq m with a water depth of 1 m, use 2 kg-3 kg of tobacco stalks (or 0.5 kg of tobacco leaves boiled into juice) and mix evenly with 10 kg-15 kg of fermented rabbit manure, then spread and apply.
2. Garlic For every 100 kg of fish, take 2 kg of garlic bulbs each time, mash them as thoroughly as possible, then cut about 15 kg of tender Sudan grass or tender upland grass into 3 cm lengths. First stir the garlic paste evenly with an appropriate amount of flour, then add the grass and mix, spread it out to dry the moisture on the leaf surface, and then scatter it throughout the pond to let the fish swallow and eat it. Once a day for 3 days-4 days, and this disease can be cured. At the same time, scattering crystal trichlorfon once has a better effect, with a dosage of 0.3 g per cubic meter of water.
3. Purslane For every 50 kg of fish, feed 1.5 kg-3 kg of chopped fresh purslane, or mix it with feed and feed it, continuously for 2 days-5 days, once a day.
4. Rhubarb and double cherry seed flowers Mash the rhubarb and add an appropriate amount of water, boil for 10 minutes, take the medicinal liquid and dilute it to a 1% concentration, and soak the fingerlings for 5 minutes. The preparation method for double cherry seed flowers is basically the same, but the fish body can be soaked for 15 minutes.
5. Copperleaf For every 667 sq m of water surface, take 125 g of dried copperleaf and 125 g of dried water pepper, mix them, add water, and decoct into juice. Then mix with bait and feed to the fish, once a day, continuously for 3 days-4 days.
6. Agrimony Also called hairy agrimony, mainly treats enteritis disease, and also treats bacterial branchiomycosis. For every 100 kg of fish, use 0.5 kg of agrimony, add an appropriate amount of water, boil for 10 minutes-15 minutes, mix the residue and juice with rice bran and shape into balls. After cooling, put them on the feeding platform, and administer continuously for 2 days-3 days.
II. Prevention and control of branchiomycosis
1. Humifuse euphorbia herb For every 50 kg of fish, use 2.5 kg of fresh humifuse euphorbia herb or 0.5 kg of dried humifuse euphorbia herb, decoct into juice, and mix into the feed for feeding. The tender seedlings can also be chopped and fed directly, once a day, continuously for 3 days-5 days.
2. Sweet flag Mainly treats branchiomycosis, and also treats enteritis disease and red-skin disease. Take fresh sweet flag, crush slightly or cut, tie into bundles with pine branches, and soak at the water inlet of the fish pond or on the bottom around the pond. For every 667 sq m of water surface, use 5 kg-7.5 kg, 1 time-2 times per month; or for every 50 kg of grass carp, use 2.5 kg-4 kg of fresh sweet flag juice mixed with bait or mixed with grass feed for feeding, and sweet flag can also be fed directly, with the feeding amount at about 10% of the fish weight; or for every 667 sq m of water surface, use about 5 kg of fresh sweet flag, chop it, squeeze the juice, and splash it throughout the pond with the residue, once every other day, splashing continuously for 2 times-3 times.
3. Maple leaves For every 667 sq m of water surface, use 20 kg of maple leaves, mash them, add water, and splash throughout the pond, once a day, splashing continuously for 3 days-4 days.
4. Ant nests For every 667 sq m with a water depth of 1 m, use 1-2 ant nests from tea trees, burn them into ash, mix into concentrated feed, and administer to the fish. It can show effect after 1 time-2 times.
III. Prevention and control of red-skin disease
1. Castor Mainly treats red-skin disease, and also treats branchiomycosis. Use fresh castor stems and leaves, 5 kg-10 kg per 667 sq m of water surface, tie into several bundles, and soak in the water, each time for 3 days-4 days, continuously for 2 times.
2. Gallnut Mainly treats red-skin disease, and also treats white head and white mouth disease, white skin disease, and furunculosis. For every cubic meter, use 2 g-4 g, decoct into juice, and splash throughout the pond, splashing continuously for 2 times-3 times, once a day.
V. Prevention and control of spawning disease Sophora flavescens has a significant effect on preventing and controlling fish spawning disease. For each portion of Sophora flavescens, add 3 times-5 times cold water and soak for a moment, then boil, and then simmer over low heat for 30 minutes-60 minutes. After boiling, for every 667 sq m of water surface, use 1 kg-1.5 kg of the juice together with the medicinal residue and splash it onto the pond water, once a day, with 3 days as one treatment course. For mild illness, 1 treatment course is enough; for severe illness, 2-3 treatment courses are needed.
VI. Prevention and control of saprolegniasis Gallnut is a good medicine for preventing and controlling saprolegniasis. After the fish body is injured by collision, if the wound is infected with saprolegniasis, treating it with gallnut has a very good effect. Usage: crush gallnut into powder, add about 10 times water, boil and then continue boiling for 2 minutes-3 minutes, then add water to dilute, and splash throughout the pond. Dosage: make the pond water use 1.3 g-2 g of medicine per cubic meter of water. The application amount must follow the regulations, and the calculation of the pond water volume must be exact. Excessive application will cause the death of pond fish.