CATDOLL : CATDOLL:How to breed loaches?

Breeding methods

1Pond culture

2Pond polyculture

3. Rice field farming

4. Pond farming

5. Courtyard Farming

6. Soilless aquaculture in cement pool

High-yield farming

In recent years, with the decrease in the natural production of loaches, there is great potential for intensive breeding of loaches in ponds, with the yield of adult loaches reaching 450 to 500 kilograms per mu and a profit of 1,800 to 2,000 yuan per mu.

The high-yield and high-efficiency technology of intensive breeding of loach in ponds is introduced as follows:

1. Seedling cultivation

1. Pond conditions: Seedling cultivation in earthen ponds is preferred, 50 to 100 square meters is appropriate, the pond depth is 40 to 60 centimeters, a fish pond is dug in the pond, the pond bank and bottom are compacted, fish nets are set up at the inlet and outlet, a 15 to 20 centimeter silt layer is laid on the pond bottom, and duckweed is placed in the pond, covering an area of ​​about 1/4 of the total area.

2. Clean the pond and cultivate the water: 10 days before the loach fry are put into the pond, use 75-80 kg of quicklime and water to clean and disinfect the pond. After disinfection, apply 300-400 kg of decomposed human and animal manure per mu as base fertilizer to cultivate the water, and add pond water to 30 cm. When the water color turns green and the transparency is 15-20 cm, it can be put into the pond.

3. Stocking of seedlings: The loach seedlings start to eat on the second day after hatching. After 3-5 days of breeding, they are about 7 mm long and can swim freely. Then they can be put into the pond for seedling cultivation. The stocking density of loach seedlings should be 80,000 to 100,000 per mu. The same batch of loach seedlings with the same hatching specifications should be stocked in the same pond.

4. Feeding and management: Loach seedlings that have just been put into the pond need to be fed with palatable baits such as rotifers and small phytoplankton. After filtering with a 50-mesh standard sieve, they should be fed along the edge of the pond, and appropriate concentrated feeds such as cooked egg yolks, fish meal, milk powder, and bean cakes should be fed. When the loach seedlings reach 1 cm in length, they can be fed with cooked bran, bran, corn flour, wheat flour and other plant feeds, mixed with chopped fish, shrimp, snails and mussels, and other animal feeds, 3 to 4 times a day. The daily feeding amount is 2% to 5% of the total weight of the loach seedlings in the early stage, and 8% to 10% in the later stage. Loaches like fertile water, so fertilizers should be applied in time. Organic fertilizers such as chicken and duck manure can be applied, which can be put into woven bags and immersed in water; chemical fertilizers can also be applied. Ammonium nitrate can be applied when the water temperature is low, and urea can be applied when the water temperature is high. Water quality management should be done well at ordinary times, and new water should be added in time. When the loach fry are raised for more than one month and are 3 to 4 cm long and begin to burrow into the mud, they can be transferred to adult loach farming.

2. Adult loach farming

1. Pond construction: Choose a place that is sheltered from the wind, sunny, easy to divert water, with a weakly alkaline bottom and no pollution. The pond can be a cement pond or an earth pond. The earth pond should be solid and durable without holes, and 20 to 30 cm of fertilizer mud should be laid on the bottom of the pond. The inlet and outlet should be blocked with wire or plastic net, and the bottom of the pond should be tilted towards the drain.

2. Pond cleaning, disinfection and laying of straw bales: Two weeks before stocking, use 80 kg of quicklime per mu to clean the pond by dry method, and apply 400 kg of organic fertilizer per mu three days later. Then, use No. 10 iron wire to tie dry, mold-free corn stalks, rice straw and other straw into straw bales with a diameter of 40 to 50 cm, and then use a 5 to 8 cm thick wooden stick to punch a few holes in the tied straw bales, and then use stones as sinkers to sink the straw bales parallel to the bottom of the pond. Place 15 to 20 straw bales per mu, and finally fill the pond with water to 80 to 130 cm.

3. Release of loach seeds: Artificially bred or captured wild loach can be used as seeds. The loach seeds must be strong and uniform in size. Before stocking, soak the loach seeds in 3% salt water for 5 to 10 minutes. The release amount is 25,000 to 30,000 per mu; where conditions permit, they can be mixed with carp, crucian carp, bighead carp, etc. The release ratio is: for every 50 to 100 loach seeds released, release 1 mixed fish.

4. Feeding and management: On the basis of providing natural bait, add animal feeds such as maggots, earthworms, mussel meat, fish meal, small fish meat, livestock and poultry scraps, as well as plant feeds such as wheat bran, rice bran, bean dregs, cakes, or artificial compound feeds. Generally, feed once in the morning and afternoon every day, and the daily feeding amount is 5% to 10% of the loach's body weight. Feeding should be flexibly controlled according to water quality, weather, and feeding conditions. Water quality management should keep it thick, refreshing, and active. If loaches are found to jump out of the water to swallow air or float on the water surface, stop fertilizing immediately and inject new water. In the hot summer and autumn seasons, change the water every 7 days, and change 50% of the water each time.

3. Loach fishing

The flushing method, trapping method and pond drying method can be used.

4. Disease prevention and control

1. Fin rot: The fins, abdominal skin and anus of the diseased loach are congested and ulcerated, the tail fin and pectoral fins are white and ulcerated, and both sides of the fish body from the head to the tail are swollen and have red spots. The prevention and control method is to spray 1 gram of bleaching powder per cubic meter throughout the pond, or spray 0.1 gram of furazolidone throughout the pond.

2. Red fin disease: caused by bacteria, in severe cases, the fins will fall off, the fish will not eat, and eventually die. It is mainly prevalent in summer. The prevention and control method is to avoid fish injuries and use 4% salt water for disinfection before stocking the fry.

3. Saprolegniasis: For loach eggs, bathe them in a solution of 400g salt and 400g baking soda per cubic meter of water for 1 hour. The prevention and control method is to avoid mechanical damage when catching and transporting loaches; soak the diseased loaches in 4% salt water for 5 to 10 minutes.

4. Trichodina disease: parasites on the gills and body surface. After the disease, the fish will eat less and swim alone. In severe cases, the worms are densely covered. It is prevalent from May to August. The preventive measure is to clean the pond with quicklime; the treatment method is to spray 0.7 grams of crystal trichlorfon per cubic meter of pond water throughout the pond. 5. Parasitic diseases: The sick loach is thin and weak, often floating on the water surface, restless, or circling on the water surface, and has increased mucus on the body surface. It is mostly caused by trichodina, tongue cup worms and trichodina parasites. The prevention and control method is to spray 0.7 grams of copper sulfate and ferrous sulfate (5:2) per cubic meter throughout the pond to prevent and control trichodina and tongue cup worm diseases.

I also pulled it from the Internet. If you want to see the details, you can search "loach" in Baidu Library.

Pond construction: Choose a place that is sheltered from the wind, sunny, easy to divert water, weakly alkaline bottom, and pollution-free. The pond can be a cement pond or an earthen pond. The earthen pond should be solid and durable without holes, and 20 to 30 cm of fertilizer mud should be laid on the bottom of the pond. The inlet and outlet should be blocked with wire or plastic nets, and the bottom of the pond should be tilted towards the drain.

These questions are explained in detail on the loach breeding websites. You can just go to the loach breeding website to check it out. Just enter yangniqiu in the address bar and press Enter. It's that simple.

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