CATDOLL : CATDOLL: Abalone has high nutritional value. How should it be farmed?

1. Abalone has high nutritional value, how should it be farmed?

Abalone refers to a primitive marine shellfish, a single-shell mollusk with only half of its shell, which is hard, thick, flat and wide. Abalone is a precious food ingredient, and it tastes delicious, has high nutritional value and can be used as a dietary therapy. Abalone farming is also an important agricultural aquaculture project with important significance and economic value. Let's learn about abalone farming technology.

1. Breeding model

There are four main types of aquaculture: offshore raft aquaculture, seabed caisson aquaculture, seaside enclosure aquaculture, and indoor plastic box aquaculture. You can choose according to the local environment. The main points of the indoor plastic box aquaculture model are as follows: the depth of the aquaculture pond should be about 1m, and the plastic box should be 39cm long, 30cm wide, and 12cm high. There should be a gap in the middle of the aquaculture box.

2. How abalone reproduces

Abalones are dioecious, but they do not mate. In the breeding season, after the male and female reproductive systems are complete, they each release sperm and eggs into the seawater outside the body. When the two meet in the sea, they can develop. This type of reproduction is very similar to that of bivalves.

Generally, they reproduce in summer and autumn. After the eggs are fertilized, they sink to the bottom of the sea and metamorphose into young abalone. Abalone grows slowly. After one year, the shell can reach about 2-3 cm, and after two years, it grows to 4-5 cm. Abalone with a shell length of more than 10 cm will take about six or seven years to grow.

3. Feeding

Generally, young abalone under 2 cm can be fed with artificial compound feeds, supplemented with artificially cultivated benthic diatoms. Young abalone over 2 cm are mainly fed with seaweeds such as kelp and wakame, and mixed with artificial feeds. When seaweed is scarce from September to November, artificial compound feeds can be fed again, or dried kelp can be soaked in seawater and fed. When feeding artificial compound feeds, the daily feeding amount accounts for 2% to 5% of the abalone weight; if feeding kelp and other algae, the feeding amount should be appropriately increased to ensure that the abalone has sufficient feeding opportunities.

Vertical bait is usually cast once every 2 to 3 days. Before casting, the residual bait and deposited silt should be thoroughly removed. In hot weather, cast less bait, once every 3 days; in winter when the temperature is less than 12 degrees, cast once every 4 days.

2. Abalone has high nutritional value. What are the requirements for abalone farming?

Abalone generally takes algae as its main food. They like clean and fresh algae as bait. If you choose to soak dry algae, they can also be eaten. When raising abalone artificially, the selection of abalone seedlings is critical. It should be bright, uniform, and there should be no obvious scars on the shell. Generally, 2 cm long seedlings are most suitable. It is necessary to observe whether the growth line and adsorption ability of the abalone seedlings are strong. Choosing abalone seedlings with strong vitality can improve disease resistance. Abalone is usually raised in a net, in which a plastic cage is neatly hung, about the size of two soap boxes.

In marine farming, one very important task is to clean the cages, because over time, a lot of seaweed and other things will attach to the nets, thus blocking the water flow. In addition, seaweed is easy to rot and breed bacteria, so it must be removed in time. Abalone is one of the marine treasures living in the ocean, and its nutritional value and economic value are very high. .... Abalone meat is tender and delicious, with a rich taste, and is favored by consumers. It is the most common high-end food on people's dining tables and is listed as the first of the eight delicacies. The following editor will introduce the artificial breeding technology of abalone.

There are four main breeding methods: offshore raft breeding, offshore caisson breeding, offshore pond breeding and indoor plastic box breeding. You can choose according to the local environment. This article mainly introduces the key points of indoor plastic box breeding mode. The depth of the breeding pond should be about 1 meter, and the plastic box should be 39 cm long, 30 cm wide and 12 cm high. There should be gaps between the boxes.

The editor has made a detailed interpretation of the problem, and I hope it will be helpful to everyone. If you have any questions, you can leave me a message in the comment area. You can comment to me more. If there is anything wrong, you can also interact with me more. If you like the author, you can also follow me. Your likes are the greatest help to me. Thank you everyone.

The sea area is suitable for seaweed reproduction, abundant bait, clear and smooth water, stable seawater density, and above 1.020 all year round. The bottom is rocky reefs, there is no industrial pollution, few harmful organisms, and no freezing in winter and drifting ice in spring. Artificial breeding of abalone requires that the breeding pond must be continuously aerated to keep the dissolved oxygen content above 5mg/L.

In different growth cycles of abalone, the nutrients needed are not suitable. Kelp, wakame and asparagus are the favorite foods of abalone. In the abalone seedling stage, diatoms with rich nutrition and strong adhesion should be selected. In the later stage, in order to enhance the nutrition of abalone, special feed can also be used.

When breeding abalone, you must pay attention to the water temperature and feed. The water temperature must be controlled between 20 and 25 degrees and cannot be less than that. This is one of the reasons why the abalone meat is so delicious.

3. The market demand for abalone is huge. What are the abalone farming techniques?

During the feeding process, if the feed is mainly seaweed, the amount of feed should be appropriately increased to ensure that the abalone has enough food to eat. Generally, abalone fry are fed once every 4 to 6 days, and the feed should be fed at a ratio of 90% to 120% of the total amount of abalone, and the residual feed should be controlled between 15% and 20%. In the process of abalone breeding and management, whether the feed is scientific and whether the feeding amount is sufficient are the key factors that determine the growth rate and survival rate of abalone.

Years of practical experience have shown that ensuring the freshness of bait is very helpful in promoting the healthy growth of abalone. Shellfish and algae on the cage wall or inside the cage should be removed at any time, especially oysters, mussels, barnacles, sea squirts, shellfish and anemones attached to the abalone shells. Most of these pests can be fixed on the cages and abalone shells, causing the water permeability of the abalone cage to decrease, affecting the activity and growth of abalone, making it difficult for abalone to eat, causing weight loss and death. At present, the main methods of prevention and manual removal are to be adopted for these enemies. Prevention is based on understanding the laws of reproduction and avoiding the peak period of adhesion. Drug application can also be used for prevention.

Abalone is a shellfish with high salinity in the Himalayan rivers. It requires clear seawater, tidal salinity of more than 3‰, rocky bottom, and abundant large algae such as brown algae, red algae and algae. It has a habit of settling in reefs rich in bait and generally does not move much. Like squid in northern China, abalone is generally distributed in waters above 10 meters. In winter, it will move to depths below 30 meters to avoid the cold. In spring, they will slowly move upward. Some can live several meters below the tide line.

The above is the editor’s detailed interpretation of the problem. I hope it will be helpful to everyone. If you have any questions, you can leave me a message in the comment area. You can comment to me more. If there is anything wrong, you can also interact with me more. If you like the author, you can also follow me. Your likes are the greatest help to me. Thank you everyone.

Abalone can be cultured in seaside ponds, seabed caissons, or indoor plastic boxes. When stocking seedlings, choose bright-colored, uniform-sized, and undamaged seedlings. In the adult stage, feed kelp, wakame, and abalone.

First, we must pay attention to the density of the fish, second, the quality of the water, third, the temperature, fourth, the humidity, fifth, the weather and the climate, and other factors. We must be particularly careful in breeding.