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A technology of channa and wild channa, which is applied in the field of aquatic animal breeding, can solve the problems of low survival rate, good meat quality, resource depletion, etc., and achieve the effect of high survival rate in domestication
Inactive Publication Date: 2017-02-15
珠海市现代农业发展中心
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Abstract
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Problems solved by technology
Channa cuspidatum is relatively small, with a weight of 15-50 grams per tail in the first year, and it is extremely rare for a body weighing more than 250 grams. However, the meat quality is good, and the market price is high. The size of 150 g per tail can reach 140 yuan / kg, and it is very popular among consumers. It is favored and has a great market prospect, and due to overfishing and river environmental pollution, the wild resources of the rivers and rivers have been severely damaged and the resources have been exhausted. aspect research
In recent years, some operators have tried artificial breeding by catching wild channa, but the survival rate is extremely low.
Method used
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Embodiment 1
[0024] Follow the steps below to domesticate wild channa:
[0025] 1. Selection and preparation of domestication ponds
[0026] You can choose an earthen pond or an indoor cement pond according to your own conditions and the number of domestication. In this embodiment, the earthen pond is selected as the domestication pond. The area of the earthen pond is preferably 0.5 to 2 mu. Before stocking, 10 to 15 days before stocking, use bleaching powder to clean the pond. 10cm, sprinkle bleaching powder on the whole pond, the dosage per mu is 10-20kg, water enters 3-4 days after clearing the pond, the water depth is 70-80cm, and the water inlet is filtered with 80-mesh mesh. Appropriate amount of water floating lotus or water peanuts are used as hiding objects.
[0027] 2. The capture and transportation of wild channa
[0028] The wild snakehead is a bottom-dwelling fish. It is nocturnal and has the habit of drilling crevices. Therefore, it is suitable to be caught in a net cage ...
Embodiment 2
[0041] Follow the steps below to domesticate wild channa:
[0042] 1. Selection and preparation of domestication ponds
[0043] You can choose an earthen pond or an indoor cement pond according to your own conditions and domestication quantity. In this example, an indoor cement pond is selected as the domestication pond. The indoor cement pond has an area of 8-20m 2 , preferably, the size of the indoor cement pool is 2m*4m*1.5m. Before stocking, it is disinfected with lime water or potassium permanganate, and then washed with clean water, then watered in 50-60cm, and an appropriate amount of PVC with a length of 20-30cm is put in. Tube as a hiding place.
[0044] 2. The capture and transportation of wild channa
[0045] From May to August, select the Pearl River Estuary and adjacent watersheds, release the net cages in the evening, raise the cages to harvest the next morning, and transport them back in time with a live fish transport vehicle or a vehicle with an inflatable...
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Abstract
The invention belongs to the technical field of aquatic animal breeding, and discloses a wild eleotris oxycephala raising method. The wild eleotris oxycephala raising method comprises the following steps: step one, selecting an earth pond or an indoor cement pond as a raising pond, and carrying out disinfection treatment; step two, catching and conveying wild eleotris oxycephala; step three, stocking the wild eleotris oxycephala in a grading manner, soaking the wild eleotris oxycephala in a potassium permanganate solution and then putting the wild eleotris oxycephala into the raising pond; step four, feeding with palatable feedstuff fishes and water earthworms in the earlier stage of raising, feeding with iced fresh trash fishes and compound feed in the middle and later periods, and carrying out water quality management; and step five, ending after raising for 1 to 2 months. The wild eleotris oxycephala culturing method has the beneficial effects that an artificial raising means is used for raising the wild eleotris oxycephala to obtain domestic eleotris oxycephala which can take artificial compound feed and can be artificially cultured; and the raising survival rate is high (above 80%); and the wild eleotris oxycephala raising method lays the foundation for artificial propagation research or cross breeding research of the eleotris oxycephala, meanwhile provides effective approaches and methods for raising and cultivation of other carnivorous wild fishes and has important significance.
Description
technical field [0001] The invention belongs to the technical field of aquatic animal breeding, and relates to a method for domesticating wild fish, in particular to a method for domesticating wild snakehead snakehead. Background technique [0002] Eleotrisoxycephala belongs to the fishes of Perciformes, Gobioidei, Eleotridae and Eleotris. Bamboo shell and Heilinge are a kind of relatively rare freshwater small economic fish. In mainland China, it is mainly distributed in Shanghai, Jiangsu, Zhejiang, Fujian, Guangdong, Guangxi, Hainan, etc., and belongs to warm water fish. Channa cuspidatum is relatively small, with a weight of 15-50 grams per tail in the first year, and it is extremely rare for a body weighing more than 250 grams. However, the meat quality is good, and the market price is high. The size of 150 g per tail can reach 140 yuan / kg, and it is very popular among consumers. It is favored and has a great market prospect, and due to overfishing and river environmen...
Claims
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Application Information
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