Artificial breeding of hippocampus
2020-06-04 11:19:52
Hippocampus has high medicinal value and is a precious Chinese herbal medicine. It has a flat body side and a protruding belly. The trunk has a seven-angled bone ring. The tail bone ring has a four-prism shape and the tail often curls. The head is horse-headed and at right angles to the trunk. Male fish rear belly mask childcare sac. Gray brown or dark brown.
Biological characteristics:
The seahorse is a small, shallow-water fish that swims very slowly and usually curls its tail around seaweed or other objects. The optimum temperature range is 12 to 33°C and the optimum water temperature is 28°C. The hippocampus is more capable of adapting to salinity and can live within the salinity range of 10 to 30 。. Primary seedlings have poor ability to adapt to salinity and generally require salinity above 15 。. Dissolved oxygen per liter of water requires more than 3 milligrams. PH6.5~8. Haima's bait is mainly small crustaceans. The hippocampus grows faster. The water temperature is above 20°C, and other conditions are suitable. The hippocampus can breed all year round. In the breeding season, sexually mature pro-horseolammers usually ejaculate in the morning, and the female hippocampus discharges the eggs into the male hippocampus' brood. The young hippocampus is hatched after about 8 to 20 days. The pro-haima progeny of the young hippocampus have suitable water temperature, sufficient food, and rapid estrus mating. Pro-Hippocampus can produce seedlings several times to more than 10 times in a year, with 10 to more than 1,000 tails each time. The hippocampus usually grows before dawn.
Aquaculture pond:
The bottom of the cement pool and the surrounding area are light black, there are injection and drainage devices, 2/3 buried in the ground, so that the pool water temperature is relatively stable. The outdoor pool should have shading facilities. Nursery pond: It is used to cultivate primary seedlings and intensively cultivated pro-haima horses, with an area of ​​1-2 square meters and a depth of 0.6-1 meter. Juvenile fish ponds: young hippocampus and intensively-produced pro-hainan horses used for 15 days after breeding to within 6 cm. Area of ​​2 to 6 square meters, depth of 0.8 to 1 meters. Adult fish pond: It is used to raise young hippocampus above 6 cm to become hippocampus or pro-haima horse. An area of ​​5 to 20 square meters, a depth of 0.8 to 1.2 meters.
There are mainly cockles, clams and other small crustaceans used in bait and bait. The bait and plankton nets are used to catch bait in harbors, ditches and Yantian ditches. Copepods culture: first use 2ppm rattan fine pool, then 80 mesh sieve filter water, introduced copepods. Fertilize at the same time, make the transparency between 35-50 centimeters. 20 days after entering the water, copepods can be caught and they can be caught. Cultivation of shrimp: After purifying the pool with 2ppm rattan, introduce the shrimp, apply proper fertilizer and feed fishmeal and bean flour into the pond. The shrimp can be harvested until it reaches a certain density.
Feeding and management Pro-Hippocampus generally adopts sparse rearing and stocks 20 fishes per cubic meter of water. In the non-breeding season or when sexual maturity is not achieved, males and females are best kept separately. The intensive culture of the pro-Hippocampus baits requires fresh and palatable, high-quality, sufficient amounts of gonads to develop normally. It requires fresh water and stable water temperature. Be careful when handling to prevent pro-seahorses from getting hurt. When the water temperature is above 20°C, the male and female progenitor hippocampus can be stocked at a ratio of 1:1 for mating, and the male hippocampus whose embryonic body has been found in the childcare sac can be moved to a nursery pond for careful feeding. Hippocampus production and seedlings before dawn, each production and production of several minutes to more than 10 minutes, in a short period of time finished seedlings, seedlings of good quality; seedlings for a long time, poor quality seedlings. After the hippocampus is produced, the pro-horsema can still be moved to the intensive pool so as not to swallow the small hippocampus.
The development of the hippocampus is divided into 3 stages: the seedling stage is 6 cm in length from the primary seedling; the Aberdeen hippocampus is from 6-10 cm in length; and the adult body is 10 cm or more in the price segment. Seahorse stocking density gradually decreases with the increase of fish body, such as body length 1 centimeter, stocking 4000 animals per cubic meter of water body; body length 6 centimeters, stocking 5000 animals per cubic meter; body length 10 centimeters, stocking 150 per cubic meter of water body Tail; adult fish stocking 30 to 40 fish per cubic meter of water.
The suitable temperature of seahorses is 20-30°C. The wintering of seahorses has wintering outdoors and indoor wintering. In the South, double nylon membrane insulation can be used or the hippocampus can be moved to an indoor pool. North can be heated or boiler heating and other methods. The water temperature is controlled at about 20°C during winter. Water quality should be fresh, no pollution, transparency is about 35 centimeters, and the specific gravity is 1.006 to 1.022. When the water temperature is high, the water can be changed every day and all or part of the water can be changed. When the water temperature is low, it can be changed for 2 to 3 days. However, attention should be paid to the temperature difference when changing the water, especially for the seedlings that require stable water temperature.
Seahorses like to eat live bait, but fresh baits and frozen baits can be domesticated and fed. Usually two times a day feeding, seedlings can take a small number of multiple feeding methods. Special attention should be paid to the feeding of freshwater horns, and the amount of feeding should be strictly controlled. The bait size should be suitable. Primary larvae of rotifers and copepods, slightly larger hippocampus, copepods, larvae, shrimp larvae, and small aphid species. Six to ten centimeters in length are hippocampus, clams, shrimps, and acropods. The hippocampus, which is more than 10 cm in length, also eats copepods, clams, shrimps, and acropods. The hippocampus ingests food during the day. The amount of food consumed is related to the temperature and quality of the water. Therefore, it is necessary to feed on the basis of the specific circumstances.
Harvesting, storage and harvesting Individuals who lived for more than one and a half years, dried up to 30% or more. The hippocampus is first washed in fresh water and then dried in the sun. When the weather is good, it usually takes 3 days to dry. If the weather is bad at the time of harvest, it can be dried, but don't bake it. Put some lime in the bottom of the container, and then put it into dried or dried hippocampus. The mouth of the container is tied with a double plastic film.
Biological characteristics:
The seahorse is a small, shallow-water fish that swims very slowly and usually curls its tail around seaweed or other objects. The optimum temperature range is 12 to 33°C and the optimum water temperature is 28°C. The hippocampus is more capable of adapting to salinity and can live within the salinity range of 10 to 30 。. Primary seedlings have poor ability to adapt to salinity and generally require salinity above 15 。. Dissolved oxygen per liter of water requires more than 3 milligrams. PH6.5~8. Haima's bait is mainly small crustaceans. The hippocampus grows faster. The water temperature is above 20°C, and other conditions are suitable. The hippocampus can breed all year round. In the breeding season, sexually mature pro-horseolammers usually ejaculate in the morning, and the female hippocampus discharges the eggs into the male hippocampus' brood. The young hippocampus is hatched after about 8 to 20 days. The pro-haima progeny of the young hippocampus have suitable water temperature, sufficient food, and rapid estrus mating. Pro-Hippocampus can produce seedlings several times to more than 10 times in a year, with 10 to more than 1,000 tails each time. The hippocampus usually grows before dawn.
Aquaculture pond:
The bottom of the cement pool and the surrounding area are light black, there are injection and drainage devices, 2/3 buried in the ground, so that the pool water temperature is relatively stable. The outdoor pool should have shading facilities. Nursery pond: It is used to cultivate primary seedlings and intensively cultivated pro-haima horses, with an area of ​​1-2 square meters and a depth of 0.6-1 meter. Juvenile fish ponds: young hippocampus and intensively-produced pro-hainan horses used for 15 days after breeding to within 6 cm. Area of ​​2 to 6 square meters, depth of 0.8 to 1 meters. Adult fish pond: It is used to raise young hippocampus above 6 cm to become hippocampus or pro-haima horse. An area of ​​5 to 20 square meters, a depth of 0.8 to 1.2 meters.
There are mainly cockles, clams and other small crustaceans used in bait and bait. The bait and plankton nets are used to catch bait in harbors, ditches and Yantian ditches. Copepods culture: first use 2ppm rattan fine pool, then 80 mesh sieve filter water, introduced copepods. Fertilize at the same time, make the transparency between 35-50 centimeters. 20 days after entering the water, copepods can be caught and they can be caught. Cultivation of shrimp: After purifying the pool with 2ppm rattan, introduce the shrimp, apply proper fertilizer and feed fishmeal and bean flour into the pond. The shrimp can be harvested until it reaches a certain density.
Feeding and management Pro-Hippocampus generally adopts sparse rearing and stocks 20 fishes per cubic meter of water. In the non-breeding season or when sexual maturity is not achieved, males and females are best kept separately. The intensive culture of the pro-Hippocampus baits requires fresh and palatable, high-quality, sufficient amounts of gonads to develop normally. It requires fresh water and stable water temperature. Be careful when handling to prevent pro-seahorses from getting hurt. When the water temperature is above 20°C, the male and female progenitor hippocampus can be stocked at a ratio of 1:1 for mating, and the male hippocampus whose embryonic body has been found in the childcare sac can be moved to a nursery pond for careful feeding. Hippocampus production and seedlings before dawn, each production and production of several minutes to more than 10 minutes, in a short period of time finished seedlings, seedlings of good quality; seedlings for a long time, poor quality seedlings. After the hippocampus is produced, the pro-horsema can still be moved to the intensive pool so as not to swallow the small hippocampus.
The development of the hippocampus is divided into 3 stages: the seedling stage is 6 cm in length from the primary seedling; the Aberdeen hippocampus is from 6-10 cm in length; and the adult body is 10 cm or more in the price segment. Seahorse stocking density gradually decreases with the increase of fish body, such as body length 1 centimeter, stocking 4000 animals per cubic meter of water body; body length 6 centimeters, stocking 5000 animals per cubic meter; body length 10 centimeters, stocking 150 per cubic meter of water body Tail; adult fish stocking 30 to 40 fish per cubic meter of water.
The suitable temperature of seahorses is 20-30°C. The wintering of seahorses has wintering outdoors and indoor wintering. In the South, double nylon membrane insulation can be used or the hippocampus can be moved to an indoor pool. North can be heated or boiler heating and other methods. The water temperature is controlled at about 20°C during winter. Water quality should be fresh, no pollution, transparency is about 35 centimeters, and the specific gravity is 1.006 to 1.022. When the water temperature is high, the water can be changed every day and all or part of the water can be changed. When the water temperature is low, it can be changed for 2 to 3 days. However, attention should be paid to the temperature difference when changing the water, especially for the seedlings that require stable water temperature.
Seahorses like to eat live bait, but fresh baits and frozen baits can be domesticated and fed. Usually two times a day feeding, seedlings can take a small number of multiple feeding methods. Special attention should be paid to the feeding of freshwater horns, and the amount of feeding should be strictly controlled. The bait size should be suitable. Primary larvae of rotifers and copepods, slightly larger hippocampus, copepods, larvae, shrimp larvae, and small aphid species. Six to ten centimeters in length are hippocampus, clams, shrimps, and acropods. The hippocampus, which is more than 10 cm in length, also eats copepods, clams, shrimps, and acropods. The hippocampus ingests food during the day. The amount of food consumed is related to the temperature and quality of the water. Therefore, it is necessary to feed on the basis of the specific circumstances.
Harvesting, storage and harvesting Individuals who lived for more than one and a half years, dried up to 30% or more. The hippocampus is first washed in fresh water and then dried in the sun. When the weather is good, it usually takes 3 days to dry. If the weather is bad at the time of harvest, it can be dried, but don't bake it. Put some lime in the bottom of the container, and then put it into dried or dried hippocampus. The mouth of the container is tied with a double plastic film.
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