Breeding method special for crabs
A breeding method and crab technology, which is applied in the field of special crab breeding, can solve the problems of unreasonable nutritional content of crab feed, low breeding survival rate, slow growth of crabs, etc., to stimulate appetite and absorption function, ensure survival rate, and ensure nutrition value effect
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Embodiment 1
[0020] The invention discloses a special cultivation method for crabs. The cultivation of crabs is completed through the steps of selecting ponds, cultivating aquatic organisms, selecting juvenile crabs, feeding and water quality control. The specific steps are as follows:
[0021] (1) Selection of ponds: select a pond with an area of 1 mu and a depth of 1m, spread a 2:1 ratio of sandy loam and gravel soil with a thickness of 2cm at the bottom of the pond, drain the pond water, and expose the bottom of the pond for 10 days. Build anti-escape facilities around the pool. The water inlet and outlet of the pool are surrounded by barbed wire with a diameter of less than 1cm to prevent crabs from escaping. After filling the pool with water at a height of 30cm, sprinkle quicklime at a rate of 100g per square meter into the pool. for disinfection;
[0022] (2) Cultivation of aquatic organisms: Cultivate aquatic plants that take up two-thirds of the volume of the pool to provide feed...
Embodiment 2
[0028] The invention discloses a special cultivation method for crabs. The cultivation of crabs is completed through the steps of selecting ponds, cultivating aquatic organisms, selecting juvenile crabs, feeding and water quality control. The specific steps are as follows:
[0029] (1) The selection of pond: select the pond that area is 5 acres, depth is 1.4m, spread the sandy loam soil and gravel soil that are 2:1 ratio of 4cm in thickness at the bottom of the pond, drain the pond water, expose to the sun for 14 days at the bottom of the pond, Build anti-escape facilities around the pool. The water inlet and outlet of the pool are surrounded by barbed wire with a diameter of less than 1cm to prevent crabs from escaping. After pouring water into the pool at a height of 30cm, sprinkle 100g per square meter of water into the pool. quicklime for disinfection;
[0030] (2) Cultivation of aquatic organisms: Cultivate aquatic plants that take up two-thirds of the volume of the pool ...
Embodiment 3
[0036] The invention discloses a special cultivation method for crabs. The cultivation of crabs is completed through the steps of selecting ponds, cultivating aquatic organisms, selecting juvenile crabs, feeding and water quality control. The specific steps are as follows:
[0037] (1) The selection of pond: select the pond that area is 3 mus, depth is 1.2m, spread the sandy loam soil and gravel soil that are 2:1 ratio of 3cm in thickness at the bottom of the pond, drain the pond water, expose to the sun for 12 days at the bottom of the pond, Build anti-escape facilities around the pool. The water inlet and outlet of the pool are surrounded by barbed wire with a diameter of less than 1cm to prevent crabs from escaping. After pouring water into the pool at a height of 30cm, sprinkle 100g per square meter of water into the pool. quicklime for disinfection;
[0038] (2) Cultivation of aquatic organisms: Cultivate aquatic plants that take up two-thirds of the volume of the pool to...
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