How much is mullet fry (black fish)? How to breed it?

Black mullet, also known as black fish, raw fish, talented fish and so on, have a wide variety of species, have high edible value and medicinal value, and are widely farmed by people. So, how much is the mullet fry? How to breed mullet? Let's get to know it together.

How much is the mullet fry?

The price of black fish fry varies according to species, size and quality, generally about 0.5-1 yuan, and some cheaper ones are about 0.3 hair. the age of sexual maturity of black fish varies slightly in different areas. it can reproduce naturally in ponds, river ditches and reservoirs. Mullet usually spawn in shallow waters with lush water plants, and the amount of eggs laid is related to the size of their parents. It is usually about 20-30 000 eggs per kilogram of body weight, and the number of eggs laid by 0.5kg black fish is generally 0.8-10 000 eggs, and some of them can reach 1-12000 eggs.

Second, how to raise mullet?

1. Fish pond selection

The black fish pond requires ventilation to the sun, sufficient water source, the area of the fish pond can be determined according to the scale of the culture, the water depth is 1 meter, some water lotus or water plants are planted around the fish pond to cover the shade, and the mullet is surrounded by a net in a lower place, so as to prevent mullet from escaping.

2. Clear the pond and disinfect

After the black fish pond is selected and built, the fish fry should not be put in a hurry. The pond water should be drained first, 140-150 kg quicklime per mu should be used, the whole pond should be evenly sprinkled, and the silt should be turned over to fully disinfect the pond. One week before stocking, the pond water should be injected to a depth of 1 meter and appropriate base fertilizer should be applied to improve the water quality.

3. Fish restocking

There are only two sources of black fish, one is wild, the other is artificial breeding. No matter which source is put into the fish pond, the fish species with basically the same specifications should be bathed in 3-5% salt water for 10 minutes, and put into the same fish pond after disinfection. Different sizes of fish fry should be raised separately.

4. Stocking density

The stocking density of black fish depends on the water source, the conditions of injection and drainage, and the size of fish fry. Generally speaking, the larger the fry is, the smaller the density is. 6000-10000 fry per mu of 3-5 cm, 4000-6000 fry per mu of 10-15 cm, and 2000 fry per mu of about 20 cm.

5. Feed selection

Black fish feed should be carefully selected and should not be ignored. The choice of feed directly affects the growth of mullet. Powdered feed produced by regular units should be selected, with a crude protein content of 45% and crude fiber of 3%. The raw materials are premix of fish meal, bone meal, soybean meal, flour, vitamins and minerals, supplemented by fresh bait such as clam meat and small fish.

6. Bait feeding

The black fish should be domesticated after entering the pond. after the mullet has formed a fixed feeding habit, it is fed once at 9: 00 am and 4: 00 pm every day, and the daily feeding amount is 5-10% of the fish's body weight, and is flexibly controlled according to the weather, water temperature, growth, feeding and so on.

7. Daily management

In the case of artificial intensive culture, the prevention and control measures of black fish are appropriate, and basically there are few diseases, so in the process of black fish culture, we often check the water quality and fish situation, check and control abnormal fish in time, and at the same time, we should also pay more attention to the cleaning of feed and fish ponds.

8. Timely fishing

Black fish is a fierce carnivorous fish, which will kill each other when the bait is insufficient, so it is necessary to catch large and small fish every one month or so. if the specifications are different and the quantity is large, they can be separated to other fish ponds or cages of the same specification.

The above is how much the mullet fry is arranged by the editor of Tuliu.com for you and how to raise mullet. I hope it will be helpful to you.