Stichopus japonicus is a kind of sea cucumber and it is a valuable marine product with high food value and medicinal value. The mixed sea cucumbers in the shrimp ponds can fully tap the potential of the ponds and improve the economic benefits of the ponds. Practice has proved completely feasible.
First, the life habits of sea cucumbers Seabass sea camp life, like to live in a steady stream of water, no fresh water injection, and the algae more than the end of the rock and thin sand, the food is the organic debris in the sediment and tiny Benthic diatoms dominate. Stichopus is a cold and warm organism and can survive at 0-32°C. The optimum temperature for growth is 10-19°C. When the water temperature exceeds 24°C, it enters the state of hibernation.
Second, the sea cucumber breeding method
1, the choice of pond maintenance: There are three basic conditions: salinity, sediment, water depth. Under normal circumstances, the bottom of the sediment should be selected harder, the seawater salinity is maintained at more than 26 years and the pool depth of more than 1.5 meters in the pool is the ginseng pool, the pool size is generally suitable for 30-50 acres. (If the bottom of the pool is muddy, once the newly stocked little seedlings landed, activities would not be possible, and they would suffocate death. The pure sand bottom pool is also unsatisfactory because the water retention is poor and the water is not fat).
2, Qingchi disinfection. The growth cycle of sea cucumber is relatively long, and it takes about two years before it can go out of the pool. Therefore, the shrimp pool before stocking and seedlings must be dredged and disinfected.
3, put the attachment base. According to the habit characteristics of sea cucumber, a certain number of attachment bases should be put in shrimp ponds. Its role is two points. One is that sea cucumbers can hide safely and cross the summer under the attached base. The second is that attachment of benthic diatoms to the base can provide some feed for sea cucumbers. There are many types of attachment bases. At present, we mainly use stone blocks, tiles, hollow bricks, porcelain pipes, etc. The number of attachment bases depends on the number of seedlings laid down. Under normal circumstances, it is no less than 10 per acre, and its stacking begins. In piles, ridges, and nets, the time for the attachment of the substrate should be chosen to be about one month before the emergence of the seedlings.
4, fertilizer and water. Put basal fertilizer and water before laying seedlings, cultivate benthic algae and phytoplankton, apply crushed chicken manure 20-40kg per acre, organic fertilizer can apply 2-4kg urea, make pool water color yellow green or light brown, transparency Keep in the 30-40cm, where the conditions are right to transplant and cultivate the rat algae in the shrimp pond, to create a good feeding and habitat environment for sea cucumber.
5, stocking seedlings. The time for releasing seedlings is approximately from the end of October to the beginning of November, that is, when the body length of the sea cucumber in the nursery room reaches 1.5 cm or more, it can be stocked in the pond, and it is better if the wintering seedlings are stocked (body length is 3-5 cm. ), its high survival rate and rapid growth. Generally about 6,000 acres of seedlings. There are two ways to put the seedlings: First, the net bag method. Plantlets with a body length of 4 cm or less should be packed in mesh bags. The density of the seedlings can be determined according to the size of the mesh bag. The activity of the seedlings and the size of the crawler are good. The mesh bag is a stone to prevent the mesh bags from floating and moving. The mesh bag is in the shape of an opening to help the seedlings climb out. The mesh bag should be placed on the attachment base. After the seedlings climb out of the mesh bag, they can attach directly to the attachment base. The second is the direct injection method. Seedlings with a body length of 5 cm or more can be directly placed on the places where the attachment bases are relatively concentrated and can be evenly broadcasted.
6, daily management. Including feed, salinity, water temperature, pH observation, body length measurement, etc. Thorn involved in polyculture of shrimp, generally do not have to feed alone, mainly by feeding shrimp scraps, excrement and other organic debris and benthic micro-fauna. Therefore, the basic diet of fertilizer and water culture is the most important.
7, harvest. Stichopus japonicus can reach commercial specifications after going to culture for about 18 months. At this time, fresh cucumbers weigh 100-200 grams. The method of accepting the reference is relatively simple. The collection time is generally selected in the season when there is no shrimp in the shrimp pond. First, discharge the pool water to about 10cm. Then organize the personnel to enter the pool and pounce by hand. Mining, water intake into the pool immediately after the end of the acquisition, restore the normal water level in the pool to maintain the survival of the remaining sea cucumber.
Third, the shrimp breeding method The shrimp breeding method is the same as a single shrimp.
Fourth, pay attention to matters
1. The water level of the mixed pool water of shrimps and shrimps must be kept at 1.5 meters or more for a long time. This way, sea cucumbers can avoid the direct irradiation of bright light in summer, which is conducive to the growth of sea cucumber. Especially during the high-temperature and winter months of July-September each year, the pool water level should be raised to about 2 meters.
2. The salinity of pool water should be maintained at 26°C or more and 30°C. After entering the rainy season, especially during heavy rain, we must drain fresh water from the surface in a timely manner so as to avoid excessive inflow of fresh water and drastically reduce the salinity of the pool water. The stimulant response caused the death of thornbush.
After the fall, the pool water temperature gradually decreased, and the benthic diatoms gradually decreased. This way, the chicken manure should be put into the pool for fertilizer and water to ensure its bait demand.
First, the life habits of sea cucumbers Seabass sea camp life, like to live in a steady stream of water, no fresh water injection, and the algae more than the end of the rock and thin sand, the food is the organic debris in the sediment and tiny Benthic diatoms dominate. Stichopus is a cold and warm organism and can survive at 0-32°C. The optimum temperature for growth is 10-19°C. When the water temperature exceeds 24°C, it enters the state of hibernation.
Second, the sea cucumber breeding method
1, the choice of pond maintenance: There are three basic conditions: salinity, sediment, water depth. Under normal circumstances, the bottom of the sediment should be selected harder, the seawater salinity is maintained at more than 26 years and the pool depth of more than 1.5 meters in the pool is the ginseng pool, the pool size is generally suitable for 30-50 acres. (If the bottom of the pool is muddy, once the newly stocked little seedlings landed, activities would not be possible, and they would suffocate death. The pure sand bottom pool is also unsatisfactory because the water retention is poor and the water is not fat).
2, Qingchi disinfection. The growth cycle of sea cucumber is relatively long, and it takes about two years before it can go out of the pool. Therefore, the shrimp pool before stocking and seedlings must be dredged and disinfected.
3, put the attachment base. According to the habit characteristics of sea cucumber, a certain number of attachment bases should be put in shrimp ponds. Its role is two points. One is that sea cucumbers can hide safely and cross the summer under the attached base. The second is that attachment of benthic diatoms to the base can provide some feed for sea cucumbers. There are many types of attachment bases. At present, we mainly use stone blocks, tiles, hollow bricks, porcelain pipes, etc. The number of attachment bases depends on the number of seedlings laid down. Under normal circumstances, it is no less than 10 per acre, and its stacking begins. In piles, ridges, and nets, the time for the attachment of the substrate should be chosen to be about one month before the emergence of the seedlings.
4, fertilizer and water. Put basal fertilizer and water before laying seedlings, cultivate benthic algae and phytoplankton, apply crushed chicken manure 20-40kg per acre, organic fertilizer can apply 2-4kg urea, make pool water color yellow green or light brown, transparency Keep in the 30-40cm, where the conditions are right to transplant and cultivate the rat algae in the shrimp pond, to create a good feeding and habitat environment for sea cucumber.
5, stocking seedlings. The time for releasing seedlings is approximately from the end of October to the beginning of November, that is, when the body length of the sea cucumber in the nursery room reaches 1.5 cm or more, it can be stocked in the pond, and it is better if the wintering seedlings are stocked (body length is 3-5 cm. ), its high survival rate and rapid growth. Generally about 6,000 acres of seedlings. There are two ways to put the seedlings: First, the net bag method. Plantlets with a body length of 4 cm or less should be packed in mesh bags. The density of the seedlings can be determined according to the size of the mesh bag. The activity of the seedlings and the size of the crawler are good. The mesh bag is a stone to prevent the mesh bags from floating and moving. The mesh bag is in the shape of an opening to help the seedlings climb out. The mesh bag should be placed on the attachment base. After the seedlings climb out of the mesh bag, they can attach directly to the attachment base. The second is the direct injection method. Seedlings with a body length of 5 cm or more can be directly placed on the places where the attachment bases are relatively concentrated and can be evenly broadcasted.
6, daily management. Including feed, salinity, water temperature, pH observation, body length measurement, etc. Thorn involved in polyculture of shrimp, generally do not have to feed alone, mainly by feeding shrimp scraps, excrement and other organic debris and benthic micro-fauna. Therefore, the basic diet of fertilizer and water culture is the most important.
7, harvest. Stichopus japonicus can reach commercial specifications after going to culture for about 18 months. At this time, fresh cucumbers weigh 100-200 grams. The method of accepting the reference is relatively simple. The collection time is generally selected in the season when there is no shrimp in the shrimp pond. First, discharge the pool water to about 10cm. Then organize the personnel to enter the pool and pounce by hand. Mining, water intake into the pool immediately after the end of the acquisition, restore the normal water level in the pool to maintain the survival of the remaining sea cucumber.
Third, the shrimp breeding method The shrimp breeding method is the same as a single shrimp.
Fourth, pay attention to matters
1. The water level of the mixed pool water of shrimps and shrimps must be kept at 1.5 meters or more for a long time. This way, sea cucumbers can avoid the direct irradiation of bright light in summer, which is conducive to the growth of sea cucumber. Especially during the high-temperature and winter months of July-September each year, the pool water level should be raised to about 2 meters.
2. The salinity of pool water should be maintained at 26°C or more and 30°C. After entering the rainy season, especially during heavy rain, we must drain fresh water from the surface in a timely manner so as to avoid excessive inflow of fresh water and drastically reduce the salinity of the pool water. The stimulant response caused the death of thornbush.
After the fall, the pool water temperature gradually decreased, and the benthic diatoms gradually decreased. This way, the chicken manure should be put into the pool for fertilizer and water to ensure its bait demand.
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