Pond artificial domesticating method for Acrossocheilus yunnanensis

A technology of artificial domestication and light-lipped fish, which is applied in the field of fish farming, can solve problems such as undiscovered, and achieve the effect of simple method, favorable promotion and application, and improved survival rate and growth speed

Inactive Publication Date: 2013-12-25
云南省水产技术推广站
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Problems solved by technology

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specific Embodiment approach

[0018] From March 2010 to March 2011, the inventor used the method of the present invention in the cold-water fish culture test base under the Yunnan Provincial Aquatic Technology Promotion Station to carry out domestication and cultivation research on Yunnan bald fish in ponds, and realized the domestication and cultivation of 2100 Yunnan bald fish. . The domestication survival rate reached 83.1%, and the body length increased from 8-12cm to 15-18cm after one year of domestication. The average body weight increased from 10-30g to 80-150g, and the weight gain was 5-8 times. The specific implementation is as follows:

[0019] a. Selection and preparation of domestication ponds

[0020] According to the characteristics of the wild Yunnan light-lipped fish inhabiting the bottom of rivers and lakes and liking the clean water environment, the size of the domestication pond in the example of the present invention is 40m×8m×1.2m, and the slope at the bottom of the pond is 1:250. B...

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Abstract

The invention relates to a pond artificial domesticating method for Acrossocheilus yunnanensis and belongs to the technical field of fish culturing. The method comprises the following steps of selecting and preparing a domesticating pond, i.e. selecting a rectangular cement pond as the domesticating pond, planting hornworts in the pond, wherein the area of the hornworts accounts for one third that of the whole pond, and simulating the natural environment; filling wild fish fingerling into the pond, feeding and domesticating the wild fish fingerling, and performing daily management on the wild fish fingerling, i.e. filling a complete formula feed with a particle size of 1.5mm and a protein percentage of 35 percent, wherein the daily feed filling amount accounts for 2 to 3 percent of the weight of the fishes, enabling water in the domesticating pond to slowly flow, exchanging the water body every 3 to 4 days, and filling 2 to 3g of allicin or Vc (vitamin c) for fish every one kilometer of feed every 20 days for 2 to 3 days continuously; preventing and controlling fish diseases, i.e. spraying povidone iodine and ethylene double ammonium dithiocarbamate into the pond to control every 15 days to prevent and control bacteriosis and balantidiasis, wherein the prevention dosage is 50 to 60ml per 0.0667 hectares, and the controlling dosage is 80 to 100ml per 0.0667 hectares. The survival rate and the growing speed of the wild Acrossocheilus yunnanensis can be effectively improved by the method, and the method is simple, and is convenient to use and popularize.

Description

Technical field: [0001] The invention relates to a pond artificial domestication method of Yunnan light-lipped fish, which belongs to the technical field of fish breeding. Background technique: [0002] Yunnan light-lipped fish (Acrossocheilus yunnanensis) belongs to Cyprinidae, Cyprinidae, Acrossocheilus subfamily, and the genus Acrossocheilus. It is a small and medium-sized fish with important ecological value and certain economic value. Distributed in the Pearl River system, the upper reaches of the Yangtze River system and their tributaries, it is a unique fish in my country, and its model origin is in Yunnan. It has the characteristics of adapting to the cold water environment of the plateau, and its individuals are large (common individuals are 20-30cm long). In recent years, due to the construction of water conservancy projects, river pollution, overfishing and other reasons, the germplasm resources of Yunnan smooth lipped fish have decreased sharply, and it is diffi...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 石永伦华泽祥陈俊田树魁潘文良陈斐郁惠文
Owner 云南省水产技术推广站
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