How to prevent the main diseases of loach

Muddy is known as “Ginseng in Water” and its taste is delicious. The meat is tender and nutritious. It also has high value in medicine and is one of the important aquatic products exported by China. Mudworm has become an important aquaculture species because of its strong adaptability, low disease, high survival rate, strong fertility, convenient transportation, and easy access to feed.

In the process of aquaculture, attention should be paid to disease prevention and control. Common diseases include red fin disease, water mold disease, bubble disease, bone disease, trichoderma disease, tongue cup disease, pesticide poisoning and other biological predators. The main control methods are as follows:

Fin disease

Symptoms: Infested fins, abdominal skin, and anal congestion around the anus, ulceration, caudal fins, pectoral fins white and ulcerated, fish on both sides from the head to the tail swelling, and erythema. Prevention: 1 g bleaching powder per cubic meter Quanchiposa, or 0.1 g furazolidone Quanchiposa.

Red fin disease

The disease has a great harm to the loach and has a high incidence rate. It is caused by bacilli. Symptoms: First the fins or the epidermis of the body surface peel off, appear gray, the muscles start to rot, and the anus part turns red, then blood spots appear in these parts, and gradually turn dark red, and in severe cases, the fins fall off and do not feed until death. Mainly popular in summer. Prevention: Fish injuries should be avoided. Seeds should be washed and disinfected with 4% saline before stocking.

Aquatic mildew

The quail eggs were treated with a solution of 400 grams of sodium bicarbonate and 400 grams of baking soda per cubic meter of water for 1 hour. Prevention: When catching and transporting loach, try to avoid mechanical damage; use 4% saline to dip the disease for 5 to 10 minutes.

Print disease

The lesions are generally elliptical, round, and erythematous. The affected area is mainly at the base of the tail shank. Popular from July to August. Prevention: Quanchiposa can be carried out with 1 g/cubic of bleach or 2 to 4 g/cubic gall.

Trichodiasis

Parasites on the ankle and body surface. Symptoms: Reduced food intake after illness, outliers alone, severe insects, if not treated, will cause death, popular in May to August. Preventive measures are to clear the pond with lime; Prevention: According to the pool of water per cubic meter crystal trichlorfon 0.7 grams Quanchiposa.

Tongue cup disease

Parasites on muddy skin or gills, usually taking food in the surrounding water for nutrition, have little effect on loach. However, if a large number of parasites are parasitized on seedlings, it will cause breathing difficulties and, in severe cases, lead to the death of seedlings. It can be affected all year round, and it is more common from May to August. Prevention and treatment: Before the stocking, they should be soaked with 8 g/cubic water of copper sulphate for 15 to 20 minutes. After onset of treatment, 0.7 g/m3 water copper sulphate and ferrous sulphate (5:2) mixture should be splashed.

parasitic disease

The diseased body is thin, often floating on the surface of the water, disturbed, or spinning on the surface of the water. The body surface mucus increases. Mostly caused by worms, worms, and third-generation parasites. Prevention and control: 0.7 grams of copper sulfate and ferrous sulfate (5:2) mixture per cubic meter are splashed in the whole pool to prevent and control trichoderma and tongue cup disease.

White ring disease

The diseased body is grayish and has a red ring. This disease was caused by long-term conservation of the loach. Prevention and treatment: The sickness is moved into a still pool for a period of time.

Bubble disease

Sick fish fry float on the surface. Caused by excessive levels of oxygen or other gases in the water, it mainly damages the fry. Prevention: Use 4 to 6 kg of salt in the Quanchiposa per acre; immediately flush into clean water or yellow muddy water; timely remove the pool of corrupt material, do not use unfermented fertilizer. At the same time, grasp the amount of feed and the amount of fertilizer to prevent the deterioration of water quality.

Other enemy harm prevention

Farm muddy ponds should be cleared thoroughly with lime. Note: Drainage outlets should be provided with a dense mesh filter to prevent harmful fish, aquatic insects, snakes, frogs, etc. from entering the pond to harm the seedlings or grow into pods. If there is a blister in the pool, use 90% of the crystal trichlorfon to kill it with a 5 g/m3 concentration in the whole pool.

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