Prevention and control methods of fish disease

The practice shows that the use of Chinese herbal medicine to control fish disease has the advantages of wide drug source, convenient collection of materials, low cost, good safety and efficacy, and has a remarkable effect on the prevention and control of fish disease.

Prevention and treatment of enteritis

1. Tobacco stalk mainly treats enteritis, Gill rot and red skin disease. every 667 square meters of water depth, use a tobacco scale of 2 kg-3 kg (or 0.5 kg fried juice of tobacco leaves) with fermented rabbit dung 10 kg-15 kg and sprinkle.

2. Take 2 kilograms of garlic for every 100 kilograms of fish, smash it as much as possible, and then cut it into 3 centimeters with about 15 kilograms of tender Sudan grass or tender dry grass. First mix the mashed garlic with the right amount of flour, then mix with the grass, spread out the cool and dry leaf water, sprinkle all over the pond and let the fish swallow. Once a day for 3-4 days in a row, the disease can be cured. At the same time, sprinkle crystal trichlorfon once, the effect is better, the dosage is 0.3 grams per cubic meter of water.

3. Portulaca oleracea is fed 1.5 kg-3 kg of chopped purslane fresh material for every 50 kg fish, or mixed feed for 2-5 days, once a day.

4. Rhubarb and heavy cherry blossoms mash rhubarb and boil the rhubarb with proper amount of water for 10 minutes, dilute the solution to 1% concentration, and soak the fish seeds for 5 minutes. The preparation method of heavy cherry seed blossom is basically the same, but the soaking time of fish can be 15 minutes.

5. Iron amaranth takes 125 grams of dried iron amaranth and 125 grams of dried hot Polygonum on 667 square meters of water, mixed with water and juice, and then mixed with bait to feed the fish, once a day for 3-4 days.

6. Xianhe grass, also known as dragon bud grass, mainly treats enteritis and bacterial Gill rot. Add an appropriate amount of water and boil for 10-15 minutes for every 100 kilograms of fish. Stir rice bran with dregs and juice to defend into balls. Cool and pour into the table for 2-3 days.

2. Prevention and treatment of Gill rot

1. For every 50 kg of fish, 2.5 kg of fresh Euphorbia angustifolia or 0.5 kg of dried Euphorbia angustifolia is used. After frying, it is mixed into the feed and fed. The young seedlings can also be chopped and directly fed once a day for 3-5 days.

2. Acorus calamus mainly treats Gill rot disease, enteritis and red skin disease. Take fresh calamus slightly rotten or cut, bind it into bundles with pine branches, and soak at or around the bottom of the fish pond, using 5 kg-7.5 kg for every 667 square meters of water, once or twice a month; or every 50 kg grass carp mixed with 2.5 kg-4 kg fresh calamus juice or grass feed, it can also be directly fed to calamus, which is about 10% of the weight of the fish. Or every 667 square meters of water with about 5 kilograms of fresh calamus chopped, squeeze with residue sprinkled throughout the pond, once every other day, continuous sprinkling 2-3 times.

3. Maple leaves per 667 square meters, 20 kg of maple leaves on the water surface, smashed and sprinkled with water in the whole pool, once a day for 3-4 days.

4, ant colony every 667 square meters, water depth 1 meter, with 1-2 ant colonies on the tea tree, burning ash mixed with concentrate feed for fish to take, 1-2 times can be effective.

III. Prevention and treatment of red skin disease

1. Castor mainly treats red skin disease and rotten Gill disease. Fresh castor stems and leaves were bundled into bundles of 5 kg-10 kg per 667 square meters of water and soaked in water for 3-4 days for 2 consecutive times.

2. Wuxinzi mainly treats red skin disease, white head and white mouth disease, white skin disease and furunculosis. Sprinkle every cubic meter with 2-4 grams of decoction throughout the pool, 2-3 times in a row, once a day.

Fifth, prevention and control of Matsu disease Sophora flavescens prevention and control of suburban fruit, each bitter participate in 3-5 times cold water soak for a while, then boil, and then simmer for 30-60 minutes, after cooking, every 667 square meters of water with 1 kg-1.5 kg juice together with drug residue to sprinkle on the pool, once a day, 3 days as a course of treatment, the disease can be mild 1 course of treatment, serious illness requires 2 races for 3 courses.

Sixth, prevention and control of water mildew is a good medicine for the prevention and treatment of water mildew. After the fish is hit and injured, if the wound is infected with water mildew, it will be treated with Wuxinzi, the effect is very good. Usage: mash Wuxinzi into powder, add about 10 times the amount of water, boil for 2-3 minutes, dilute it with water, sprinkle it all over the pool. Dosage: 1.3g-2g of 1 cubic meter of water in the pool water. The dosage should be in accordance with the regulations, and the calculation of pond water volume should be accurate. Overdose will lead to the death of pond fish.