CATDOLL : CATDOLL: Can other fish be raised in eel ponds?

1. Can other fish be raised in eel ponds?

That depends on what you want to harvest. When stocking turtles in ponds, there are examples of raising them together with some large domestic fish, but this is generally only to improve the quality of the turtles. If you raise them together with eels, it is basically certain that you will not harvest any eels.

2. How to raise soft-shell turtles in fields?

The ecological planting method of turtle breeding includes the following steps: selecting a rice field with sufficient water source, strong water retention capacity and quiet environment as a breeding field, applying rice-specific fertilizer to the rice field; digging a square breeding trough every 14-16m in the rice field, the breeding trough is 0.6-0.7m deep, 3.2-3.8m wide and 2.5m long; selecting healthy and active turtle seedlings and putting them into the rice field breeding trough, the breeding density is 133-200 per mu, and feeding bait during the growth of the turtle until the turtle matures. The raw materials of the rice-specific fertilizer include by weight: 100-140 parts of macronutrient fertilizer, 2-5 parts of coal gangue compound, 1-3 parts of peat, 1-2 parts of sepiolite powder, 0.2-1 parts of diatomaceous earth, 1-2 parts of talcum powder, 0.5-1.2 parts of mica powder, 2-5 parts of adhesive, and 0.4-1 parts of trace element fertilizer.

3. What kind of fish are generally better to raise with duck-billed fish?

In the method of mixed breeding, we need to reasonably control the species, quantity and proportion of fish to be raised. Usually, duckbill fish are mixed with silver carp and herbivorous fish, and the ratio of mixed breeding is controlled at 1:1:8. In order to prevent excessive nutrients in the water body, the number of aquatic plants planted also needs to be controlled, otherwise it is easy to lead to breeding failure.

4. Which fish are easy to raise?

Fish that are easier to keep alive. 1. Because some fish (such as goldfish, koi, etc.) have strong living habits in water, they can adapt to a wide range of temperatures and pH values, as well as longer periods of food shortages under suitable water conditions; while some exotic tropical fish (such as angelfish, American fish, etc.) are more delicate, have high requirements for water quality, require careful care, and are difficult to keep alive. 2. Other fish that are easy to keep alive include grass carp, crucian carp, etc. They are also highly adaptable to water temperature and pH values, and are relatively simple to keep alive. Of course, to actually keep fish well, scientific feeding management and supervision are required based on the specific requirements of the selected species.

5. What large fish, such as whales, can children raise?

1. Red Arowana: Red Arowana is a tropical freshwater fish that is relatively large in size and is well suited for being kept in large aquariums that can provide ample swimming space.

2. Tiger fish: Tiger fish is also a freshwater fish with beautiful black and white stripes on its body. Tiger fish also have a larger body size and are suitable for being kept in a large aquarium.

3. Goldfish: Goldfish is a common ornamental fish. It is large in size and suitable for being kept in a large aquarium. Goldfish are also gentle and easy to keep.

4. Conger Fish: Conger fish is also a tropical freshwater fish. It is large in size and very suitable for being kept in a large aquarium. Conger fish has lively habits and likes to swim in the water, making it very suitable as an ornamental fish.

5. Arowana: Arowana is also a common ornamental fish, cute and easy to raise. Larger Arowana is suitable for raising in large aquariums, and it is relatively simple to raise Arowana, which is very suitable for beginners.

In general, choosing large fish suitable for raising cetacean children requires considering factors such as the size of the aquarium and the difficulty of raising them to ensure that the large fish can fully grow and develop while ensuring the safety and health of the cetacean children.

6. How to culture shrimps in lotus pond?

1. Pond requirements. Freshwater shrimps have high oxygen consumption and are not tolerant to low oxygen. At the same time, freshwater shrimps are benthic animals with poor swimming ability and like to move at the bottom of the pond. Therefore, the pond area for breeding freshwater shrimps should not be too large. Generally, the area of ​​a shrimp pond should be 3 to 8 mu, with a slope ratio of 1:3 to 1:3.5, a water depth of about 1.5 meters, no silt at the bottom of the pond, and no pollution in the water source, which meets the national fishery water standards. Use quicklime to thoroughly clean and disinfect the pond half a month before the seedlings are released, and install oxygenation facilities in each pond.

2. Plant aquatic plants. Prawns are crustaceans, and they shed their shells and cannibalize each other. Therefore, in order to prevent the prawns from cannibalizing each other, it is necessary to plant some suitable aquatic plants to prevent the prawns from cannibalizing each other. There are two main types of aquatic plants: one is water peanuts planted around the shallow water belt at the edge of the pond; the other is submerged plants planted at the bottom of the shallow water belt pond, such as Hydrilla verticillata and Elodea. This type of aquatic plant reproduces rapidly, so when there are too many aquatic plants in the pond, they can be removed manually to make the aquatic plants in the pond distributed in a star-shaped pattern.

3. Set up mesh. Set up 10-33 mesh unjointed summer flower mesh in the middle of the shrimp pond, fix it with bamboo frames, and set it in the shape of a roof truss 20-40 cm below the water surface with a slope of 15-20 degrees to facilitate the shrimps to crawl up and down. Each row of mesh is 3-4 meters wide and the length depends on the pond. Generally, two rows of mesh can be set up in a pond of about 5 mu.

4. Stocking of young shrimp. Fresh shrimp grow fast and have a short breeding cycle. Under suitable breeding environment and sufficient bait, shrimp young can reach the commercial specification of more than 3 grams after 2 months of breeding. Therefore, the breeding mode of stocking twice a year in spring and summer can be adopted.

7. What are the methods of raising rice snails?

1. Field Engineering

1. Strengthen the field foundation. Tamp and strengthen the field foundation to a height of 50 cm and a width of 30 to 50 cm, and the water storage depth can be 30 to 50 cm.

2. Construction of anti-escape facilities. Both the inlet and the outlet use 110mm diameter polyvinyl chloride plastic pipes with elbows. The water inlet is filtered with a 50-mesh (0.3mm diameter), 100cm long, 30cm diameter nylon mesh bag, and the outlet is protected from escape with a 20-mesh (0.85mm diameter) galvanized steel wire fence.

2. Stocking of snails and young snails

1. Select good varieties. Choose healthy individuals with obvious growth advantages produced in natural waters such as rice fields, ponds, lakes, or snail breeding farms. The shells should be thick, round, and intact without damage.

2. Release seeds at the right time. After the rice seedlings have finished tillering, water is poured into the field to a depth of about 10 cm, and seed snails and young snails are released into the field. For rice fields that mainly raise field snails, 30,000 to 60,000 young snails with individual specifications of 1.25 to 2.50 g are released per mu, or 150 kg of seed snails with individual weight ≥ 15 are released, with a number of about 6,000 to 10,000; for rice fields that raise field snails, 10,000 to 20,000 young snails with individual weight 1.25 to 2.50 g are released per mu, or 50 kg of seed snails with individual weight ≥ 15 g are released, with a number of about 2,000 to 3,500. The male-female ratio is about 4:1, and all the snails are released at one time. If there are seed snails left over from the previous year, add appropriate seed snails according to the number left.

3. Water quality control. When the water temperature rises to 15℃, the snails' food intake gradually increases, and new water needs to be added appropriately to maintain dissolved oxygen (required to be ≥3.5mg/L). The daily water replacement volume is 1/4 to 1/2 of the water depth of the rice field. Fertilize in time, and apply 25 to 50 kg of straw fermented feed or straw compost per mu, once a month.

4. Feeding. Under normal circumstances, pellet feed, fermented feed, chopped fresh vegetable leaves, corn, rice bran, soybean meal, vegetable cake, earthworms, fish and shrimp, etc., as well as newly fermented straw, farmyard manure, organic fertilizer, and plankton, weeds, rice flowers, etc. in rice fields can be used as snail bait. Multiple feeding points can be set up for feeding. The daily feeding amount should be calculated based on 1% to 3% of the total weight of the snails. Feed once every 2 to 3 days, and adjust the feeding amount according to the growth and feeding conditions of the snails. In special circumstances, such as when the water temperature is below 15°C or above 30°C and on rainy days, no feeding is required.

5. Daily management. Carry out daily inspections to observe the water level, water quality, snail feeding and growth, etc. Check whether the escape-proof fences and silk mesh bags are damaged or blocked, and deal with problems in a timely manner. Before typhoons, rainstorms, and heavy rains, the drainage channels should be dredged, the water inlets should be blocked, the drainage outlets should be opened, and the escape-proof fences and silk mesh bags should be checked and dredged.

3. Prevent and control enemies

1. Prevent rats, snakes and waterfowl. Protective nets are set up around the farm. The mesh materials are galvanized steel wire, nylon mesh, etc. The mesh size is 2.0cm, the mesh height is 90cm, the underground burial depth is 10cm, the ground height is 80cm, and the pile foundation is fixed every 1.5m.

2. Prevent golden apple snails. Patrol the fields every day and use a small net to catch the golden apple snails along the perimeter of the field and collect them in a centralized place.

8. What kind of fish can be raised with cow dung?

Generally speaking, it is rare to feed fish directly with feces. Fishery farmers use feces mainly to enrich the water, making the water rich in nutrients so that microorganisms and plankton can breed in large quantities. Many kinds of fish grow up by eating microorganisms and plankton in the water. Folk proverb: Fertile water breeds good fish.

Filter-feeding fish: The most common types of filter-feeding fish include silver carp (bighead carp, silver carp, jumping silver carp, bighead carp) and bighead carp (flower carp, bighead carp) among the four major carps.

Silver carp is a filter-feeding fish that mainly feeds on phytoplankton, while bighead carp is a filter-feeding fish that mainly feeds on zooplankton.

9. How to quantitatively collect fish?

The quantitative sampling and counting method is still the classic method used since the 1950s. Use a 2500 ml water sampler to collect 5L-10L of water samples, filter with a No. 25 plankton net (mesh 64um), put the remaining water sample in the filter into a water sample bottle (30-50ml), rinse the filter several times in water (the upper mouth is not in water), and put all the remaining liquid into the water sample bottle. The water sample is fixed with 4% formalin solution and brought back to the room. The water sample is left to stand for more than 24 hours to be concentrated into a certain volume for counting or the full amount of the water sample is counted. This method often takes more than 24 hours to complete sampling and counting.

10. What kind of fish can be raised with domestic sewage?

Sewage is suitable for breeding catfish. Catfish have a strong ability to adapt to the environment and require very low oxygen content in the water. They can grow quickly even in sewage.

Secondly, loach is also a fish with strong adaptability.

Finally, silver carp and bighead carp are recommended. These two types of fish are suitable for breeding in green water, which usually contains a lot of organic matter and abundant plankton. Therefore, general domestic sewage, as long as it is not smelly, can be used to raise these two types of fish after being treated.