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A breeding method, the technology of flower eel, applied in fish farming, application, climate change adaptation, etc., can solve the problems of low breeding success rate, achieve the effect of increasing survival rate, increasing survival rate, and reducing the occurrence of diseases
Inactive Publication Date: 2012-01-04
PEARL RIVER FISHERY RES INST CHINESE ACAD OF FISHERY SCI
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Problems solved by technology
[0006] The purpose of the present invention is to provide a method for cultivating flower eels, which aims at the current low success rate of flower eel cultivation and the bi
Method used
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Embodiment 1
[0019] (1) Pond conditions: The water source and water quality of the aquaculture pond are good, meeting the requirements of relevant national water quality standards. The earthen pond covers an area of 5 mu, and the water depth is 2.0-2.5 meters. It is equipped with two 1.5KW impeller aerators. Before stocking, use 150 kg of quicklime per mu to bring water or 50 kg of tea meal to carry water. When the water depth is 50 to 80 cm, bring water poisonous ponds. After 7 days, the medicinal property disappears and tilapia species can be stocked.
[0020] (2) Fish species stocking and feeding methods: The stocking density depends on various conditions, and is determined by factors such as production indicators, eel pond conditions, eel species specifications, and breeding techniques. If the water source is sufficient and the equipment is better, more seedlings can be placed appropriately. Generally, the amount of stocking with a yield of more than 1 ton per mu is: about 20g of ee...
Embodiment 2
[0025] The cultivation method is the same as that in the first embodiment, except that the present invention is provided with a lifting device on the resting bed in order to moderately adjust the height of the resting bed. Rest bed height. The lifting device includes several cylindrical wooden short columns (the length of the short columns can be long or short, depending on the depth of the pond and the number of nodes installed), and several clamping and fastening devices (or called sleeve devices). The clamping and fastening device is used to clamp and fix the junction of two wooden short columns, and multiple clamping and fastening devices can be used to connect and fix multiple short columns, thereby forming the support column of the "rest bed". Reach the purpose of regulating the height of the rest bed like this by increasing or reducing the number of joints of the stubs of the support columns on the four corners of the rest bed simultaneously. The method is convenient t...
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Abstract
The invention relates to a method for cultivating Anguilla marmorata. The method is applicable to the fishery. The invention discloses a method for improving the cultivation survival rate and growth speed of the Anguilla marmorata, namely a 'rest bed' is arranged for the Anguilla marmorata on one side of a pond, a layer of fishing net covers the 'rest bed', a food platform is positioned on one side of the 'rest bed', a sunshade shed is built above the 'rest bed', and a sunshade net covers the sunshade shed and is about 30cm away from the water surface. The area of the 'rest bed' can be 30 to 300 square meters, and 8 to 10 ten thousand fish is usually cultivated in each 300 square meters. A lifting device is arranged on the 'rest bed' so as to moderately adjust the height of the 'rest bed'; therefore, the aim that the 'rest bed' can be about 1 meter away from the water surface when the temperature of the water surface is overhigh or overlow in summer is fulfilled. In the method, the 'rest bed' which can be lifted is provided for the Anguilla marmorata during cultivation, so that the diseases can be reduced; and the survival rate is greatly improved, the growth speed is improved, the bait coefficient and cultivation cost are reduced, the quality of aquatic products is ensured, the environmental pollution is reduced, and the cultivation efficiency can also be improved.
Description
technical field [0001] The invention relates to the technical field of aquaculture. Background technique [0002] Flower eel ( Anguilla marmorata ) is an eel order, eel family, eel genus, common name: flower eel, snow eel, black ear eel, reed eel, brook eel. It is a larger type of eel, with a large individual, weighing up to tens of kilograms, with a strong body. The body before the pelvic fin is cylindrical, and the rear is slightly flattened. Overall, the body is elongated in a rod shape, resembling a gigantic eel. Therefore, it is also known as the "Eel King". The flower eel has a wide distribution range, reaching the islands in the central Pacific Ocean in the east, eastern Africa in the west, southern Australia in the south, North Korea and southern Japan in the north. In my country, it is distributed in the lower reaches of the Yangtze River and the Qiantang River, Lingjiang River, Oujiang River, Jiulong River, as well as major rivers in Taiwan, Guangdong, Guangxi an...
Claims
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Application Information
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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 黄樟翰朱华平
Owner PEARL RIVER FISHERY RES INST CHINESE ACAD OF FISHERY SCI
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