First, pond owners
The requirements for ponds are not strict for stingrays, and any lands or cement pools with adequate water sources and good water quality can be farmed. General pond water depth of about 1.5 meters, an area of ​​1-4 acres. Ten to fifteen days before stocking, the per-mu ponds were splashed with 130kg of lime slurry in the whole pond, the ponds were filled with water 0.8-1m deep on the second day of disinfection, and the 300kg fermented and decomposed organic fertilizers were applied in the first 3-4 days per mu. To breed natural food organisms for feeding by stingrays.
The stocking time of the stingray fingerlings is 3-4 months each year. Generally, 2000--3,000 tailed stingrays weighing 10-20 grams per acre are reared. In order to make full use of water volume and feed biological resources to facilitate water quality regulation, the per mu water surface can be mixed with about 600 centimeters of squid, 200 squid, and 200 larvae. Before stocking, fingerlings were soaked in 3%-5% saline for 10 minutes. First put the yellow sturgeon species, and then stock the other species 10 days later to benefit the growth of the main fish.
Stingray is an omnivorous fish that can be fed animal feed, such as small fish and shrimp, snail meat, livestock and poultry processing waste, fish meal, etc. It can also be fed plant feed such as bean cake, peanut cake, bran, bean dregs, etc. Artificial feed can also be fed. Reference formula for artificial compound feed: fishmeal 15%, bean cake 35%, bran 30%, corn 5%, eucalyptus leaves 5%, barley 8.5%, growth hormone 1%, salt 0.5%. Daily feeds accounted for 2% to 7% of the fish's body weight, and they were fed once a day on the afternoon and afternoon. The amount of feed in the morning accounted for 1/3 of the total feeding amount in the day and the amount of feed in the afternoon accounted for 2/3 of the day. Normally, water injection will be performed every 15-20 days in April-June, and water injection will be performed once every 7-10 days in July-September, adding 10-15 centimeters of water each time, so that the transparency of the pool water will be maintained at about 35 centimeters.
Second, pond set up
For home fish culture in conventional ponds, a small amount of stingray can be raised. Generally, 60-70 tails of stingrays weighing 30--40 grams per acre are stocked. The conventional cultured species and the proportion of the main cultured animals in the pond are still carried out according to the original breeding methods. The rearing management is also conducted according to the conventional fish farming practices. . The general fine culture fish pond under the original technical conditions, no increase in investment, per acre can increase more than 10 kilograms of stingray.
Third, cage culture
The cages are made of polyethylene material. The mesh is generally required to be 2-3 cm. The mesh is 1.5 cm. The cage area is 12-24 m 2 and the depth is 2 m. Frames are made of bamboo or wooden planks, cages are placed in frames, cylindrical foams are used as floats, and bottoms of cages are made of pebbles. One week before stocking, the cages were placed in water and mesh algae adhered to the cage wall to avoid scratching the fish. The cages are set in lakes, reservoirs, rivers, etc. where the water quality is high and the dissolved oxygen is high. The distance between the cages is 2-3 meters.
Before and after the Spring Festival, fish species were introduced, and the fish species were immersed in the fish body with 5% saline before entering the box. In general, the stocking size is about 100 to 150 tails per square metre. The cages can also be stocked with some group-headed breams or small-scale ramets, which can both fully utilize the bait and purify the cage.
The cage culture stingray is best fed with artificial compound feed, which is usually fed twice a day. The daily feed amount is 3%-6% of the fish's body weight. Daily management should pay attention to observe the activities of fish and feeding conditions, in order to reasonably adjust the amount of feeding. Clean the cage every 5-7 days and remove the attachment around the cage. Always check that the cage is still damaged to prevent fish from escaping.
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The requirements for ponds are not strict for stingrays, and any lands or cement pools with adequate water sources and good water quality can be farmed. General pond water depth of about 1.5 meters, an area of ​​1-4 acres. Ten to fifteen days before stocking, the per-mu ponds were splashed with 130kg of lime slurry in the whole pond, the ponds were filled with water 0.8-1m deep on the second day of disinfection, and the 300kg fermented and decomposed organic fertilizers were applied in the first 3-4 days per mu. To breed natural food organisms for feeding by stingrays.
The stocking time of the stingray fingerlings is 3-4 months each year. Generally, 2000--3,000 tailed stingrays weighing 10-20 grams per acre are reared. In order to make full use of water volume and feed biological resources to facilitate water quality regulation, the per mu water surface can be mixed with about 600 centimeters of squid, 200 squid, and 200 larvae. Before stocking, fingerlings were soaked in 3%-5% saline for 10 minutes. First put the yellow sturgeon species, and then stock the other species 10 days later to benefit the growth of the main fish.
Stingray is an omnivorous fish that can be fed animal feed, such as small fish and shrimp, snail meat, livestock and poultry processing waste, fish meal, etc. It can also be fed plant feed such as bean cake, peanut cake, bran, bean dregs, etc. Artificial feed can also be fed. Reference formula for artificial compound feed: fishmeal 15%, bean cake 35%, bran 30%, corn 5%, eucalyptus leaves 5%, barley 8.5%, growth hormone 1%, salt 0.5%. Daily feeds accounted for 2% to 7% of the fish's body weight, and they were fed once a day on the afternoon and afternoon. The amount of feed in the morning accounted for 1/3 of the total feeding amount in the day and the amount of feed in the afternoon accounted for 2/3 of the day. Normally, water injection will be performed every 15-20 days in April-June, and water injection will be performed once every 7-10 days in July-September, adding 10-15 centimeters of water each time, so that the transparency of the pool water will be maintained at about 35 centimeters.
Second, pond set up
For home fish culture in conventional ponds, a small amount of stingray can be raised. Generally, 60-70 tails of stingrays weighing 30--40 grams per acre are stocked. The conventional cultured species and the proportion of the main cultured animals in the pond are still carried out according to the original breeding methods. The rearing management is also conducted according to the conventional fish farming practices. . The general fine culture fish pond under the original technical conditions, no increase in investment, per acre can increase more than 10 kilograms of stingray.
Third, cage culture
The cages are made of polyethylene material. The mesh is generally required to be 2-3 cm. The mesh is 1.5 cm. The cage area is 12-24 m 2 and the depth is 2 m. Frames are made of bamboo or wooden planks, cages are placed in frames, cylindrical foams are used as floats, and bottoms of cages are made of pebbles. One week before stocking, the cages were placed in water and mesh algae adhered to the cage wall to avoid scratching the fish. The cages are set in lakes, reservoirs, rivers, etc. where the water quality is high and the dissolved oxygen is high. The distance between the cages is 2-3 meters.
Before and after the Spring Festival, fish species were introduced, and the fish species were immersed in the fish body with 5% saline before entering the box. In general, the stocking size is about 100 to 150 tails per square metre. The cages can also be stocked with some group-headed breams or small-scale ramets, which can both fully utilize the bait and purify the cage.
The cage culture stingray is best fed with artificial compound feed, which is usually fed twice a day. The daily feed amount is 3%-6% of the fish's body weight. Daily management should pay attention to observe the activities of fish and feeding conditions, in order to reasonably adjust the amount of feeding. Clean the cage every 5-7 days and remove the attachment around the cage. Always check that the cage is still damaged to prevent fish from escaping.
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