High-density culture technology of bighead carp in fish ponds. What feed does bighead carp like to eat?

1, fry 2 at 5- 10℃ in winter and early spring. Pay attention to the color of water and the state of fish every day. 3. Regularly clean up algae and sundries, and do a good job in table disinfection, theft prevention and escape, shovel out enemies, and prevent fish diseases. When the temperature drops in autumn and winter, it is necessary to fish out bighead carp and put it in a deeper pond for the winter. You need to stop feeding one week before fishing.

1. High-density culture technology of bighead carp in fish ponds

1. In winter or early spring, when the water temperature is 5- 10℃, fry are put in, and each fish is put in 0. 15-0.5 kg, or large fish can be put in 1 kg. It should be noted that the number of large fish cultured in ponds per mu shall not exceed 100.

2. When raising bighead carp, it is necessary to carefully observe the color of water and the state of bighead carp every day.

3. Regularly clean up the aquatic plants and sundries around the pond, disinfect the food table where the fish are fed, do a good job in preventing escape and theft, eradicate enemy harm and prevent and control fish diseases.

4. In autumn and winter, when the temperature of the pond drops, bighead carp can be fished out and put in a deeper fish pond for the winter. It should be noted that feeding should be stopped one week before bighead carp is ready to be fished out, and fishing should be done on sunny days as far as possible.

2. What feed does bighead carp like to eat?

1, feed

(1) Bighead carp can be fed with complete compound powder feed.

(2) The feed formula of bighead carp is fish meal 5%, bean cake 28%, vegetable cake 20%, secondary powder 25%, rice bran 12%, bran 6%, additives and mineral salts 2%, soybean lecithin 1% and soybean lecithin 1%.

2. Living habits

(1) Bighead carp is gentle, does not like jumping, moves slowly, generally lives in the middle and upper layers of water, has the habit of migrating in rivers and lakes, and mostly lives in rivers and lakes with a certain velocity.

(2) Bighead carp is filter-feeding, mainly eating zooplankton and protozoa such as rotifers, cladocera and copepods (such as cyclops), but also eating some phytoplankton (such as diatoms and cyanobacteria), artificial feed and fish, insects and shrimp.