CATDOLL : CATDOLL: How should turbot breeding and management be carried out efficiently?

1. How should turbot breeding and management be carried out efficiently?

The breeding and management of turbot requires certain methods. Here is a detailed analysis for you:

1. Farm selection

The breeding ground of turbot should be far away from pollution sources, with convenient transportation, sufficient electricity and clean water. Try to stay away from noisy places such as residential areas, factories and main traffic routes. The farm should be equipped with temperature control, oxygen and irrigation and drainage equipment. Different facilities should be set up, such as seedling breeding, biological bait breeding room, etc. The area of ​​the fish pond is determined according to the number of farmed fish, generally 10~100 square meters.

2. Variety selection

When breeding turbot, there are generally two ways to select parent fish: one is to select parent fish from wild turbot populations; secondly, we can select original species. However, since turbot is not native to China, the second method is mainly used. Generally speaking, only half of the females lay eggs in this season, while the other half will delay or not lay eggs. When selecting parent fish, young fish with complete body shape, bright color, healthy and disease-free, vigorous energy, strong aggregation, and active feeding should be selected. Female fish should weigh at least 3 kg and be at least 40 cm long. Male fish should weigh at least 2 kg and be 30 cm long. The male-female ratio is 1:1 or 1:1.5.

3. Fish stocking

Before stocking fish, the stocking density should be controlled and adjusted first, and then appropriately adjusted according to the exchange of pond water and the growth of seedlings in production. When the daily exchange capacity of pond water is less than 6, the stocking density should be appropriately reduced. If the range exceeds 10 days, the stocking density can be appropriately increased, and the increase or decrease of dissolved oxygen in the water can also be measured. The fish should be sampled and weighed monthly, and the stocking density should be adjusted according to the breeding area. The growth rate of some fish should not be reduced due to overbreeding, and the breeding area should not be wasted due to overbreeding.

4. Increase feed

Turbot needs high protein during its growth. It needs less fat than other carnivorous fish. Long-term feeding of high-fat feed will reduce the liver function of turbot. Therefore, in order for turbot to grow normally, it is necessary to add feed suitable for turbot growth at each stage. Fryings need at least 50% protein and 10% fat, and at least 45% protein and 10% fat. The fat content in the culture stage is 13%. Turbot requires different feeds at different growth stages, so it is necessary to adapt the feed to different growth stages.

V. Water Quality Supervision

The water quality for breeding turbot is the key. Turbot is a cold-water fish. The suitable growth temperature is 10 ~ 23℃, and the fastest growth temperature is 15 ~ 19℃. Properly increasing water circulation during the breeding process can achieve good sewage discharge effects and improve the cleanliness of water quality. In addition, a high dissolved oxygen environment should be created to facilitate the growth of turbot, improve its ability to resist stress, and reduce the probability of fish diseases.

The above is an analysis of the key points in the breeding and management of turbot, for your reference and learning. I hope it will be helpful to you.

You should find a good pond and raise the turbot in it. When raising it, you should pay attention to the species of turbot, the condition of the turbot, the food the turbot eats and the water quality.

Make reasonable arrangements. The breeding conditions of fish of different sizes are completely different. They should be raised and managed according to the size of the fish. You must pay attention to the condition of the fish and make reasonable arrangements.

Learn professional knowledge about turbot breeding to improve professional breeding ability and breeding skills. Pay attention to the water temperature, indoor environment and freshness of feed in the fish farm.

2. Turbot’s living habits

In the natural environment, turbot is carnivorous in feeding habits. Juveniles feed on crustaceans, while adults prey on small fish, shrimp, etc. Under artificial breeding conditions, they are mainly fed with high-energy granular feed after domestication.

Feeding habits: In natural waters, the desert flounder has the ability to ambush prey. The fry mainly feed on crustaceans. As the fish continue to grow, they gradually feed on various fish, usually including spotted mullet, striped mullet, white mullet and grass shrimp. In intensive farming, it is easy to tame it and feed on compound feed (for example: puffed fish feed, etc.).

3. Do you know how to prevent enteritis and ascites when breeding turbot?

After the Rain Water solar term, it really comes. With the change of air and water temperature, turbot is about to enter the high-incidence season of enteritis and ascites. According to the years of experience of Qihao Company's technical service team, every year due to farmers' inadequate disinfection management or feeding a large amount of iced fish, enteritis and ascites frequently occur, causing farmers to suffer huge losses.

1. Prevention measures for enteritis and ascites

(1) During the breeding process, hygiene management should be strengthened, fresh bait should be selected, and stale frozen fish should be avoided.

(2) Disinfect the breeding workshop and tools regularly, use appropriate amounts of oxidants to promote the oxidation of organic matter in the pond, keep the breeding environment clean, and isolate sick fish in time to prevent cross-infection.

(3) As the water temperature gradually rises, the fish's feeding activity becomes stronger and their food intake increases. During this period, the amount of feed should be gradually increased without causing too much fluctuation.

(4) When switching from small to large feeds or when switching between different feeds, fish need to slowly adapt to the new feed. You should adopt a feeding method that mixes large and small feeds, gradually reduce the amount of small feed, and gradually increase the amount of large feed, until all feeds are replaced with new feeds.

2. Principles of Medication

When mixing medicated bait, you must first stop feeding for 1-2 days. Usually, during the mixing period, you should reduce the amount of feeding, and the feeding amount should be controlled at about 50%-60% of the usual daily feeding amount; the number of feedings should also be reduced, only feeding once a day.

If the disease is serious and the fish are not eating well, a medicated bath is needed. The general course of antibiotics is 3-5 days, and the course of sulfonamides is 5-7 days. In the process of turbot farming, many farmers stop taking the medicine when the symptoms just disappear, resulting in the disease not being completely controlled or the treatment not being thorough, leading to repeated attacks of the disease and causing huge losses to the farming.

In addition to affecting the fish's feeding and growth, enteritis can also cause turbid water and other phenomena. To determine whether a fish has enteritis and ascites, in addition to observing whether the fish has a big belly and whether there is white stool in the fish pond, we can also judge from the degree of turbidity. If there is sudden turbidity (well water is not turbid), it may be a mild enteritis; however, when environmental conditions (such as water temperature, water quality, bait, diet control, etc.) change greatly, turbot will also have a small amount of white stool. At this time, turbot is not in a diseased state and needs to be distinguished.

Choose fresh bait, disinfect the breeding area regularly, and remove excess silt.

1. Manage its breeding

2. Turbot enteritis should be treated with medication rationally to avoid misunderstandings in farming

3. Preventive health care: Yucca extract combined with probiotics

When breeding, you need to pay attention to the water source problem in advance, and also pay attention to the replacement of water sources, the filtering and cleaning of water sources, the prevention of fish diseases, and the fish feed.