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Neophocaena phocaenoides asaeorientalis net cage breeding method

A technology for cages and finless porpoises, which is applied in the field of cage breeding of Yangtze finless porpoises to achieve the effects of disease prevention, optimization of feeding systems, and stable morphological settings.

Active Publication Date: 2019-01-25
湖北长江天鹅洲白鱀豚国家级自然保护区管理处 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there is no research on the breeding of cetaceans in cages at home and abroad

Method used

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  • Neophocaena phocaenoides asaeorientalis net cage breeding method
  • Neophocaena phocaenoides asaeorientalis net cage breeding method

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Embodiment Construction

[0027] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0028] The cage for the breeding of the Yangtze finless porpoise according to the present invention comprises a main body frame 1 and an inverted trapezoidal box body 2, the main body frame 1 is provided with a buoyancy device, and sinkers 3 are hung on the four corners of the bottom of the box body respectively, There are fixed devices around the cage, and sun protection facilities are installed on the upper part of the cage.

[0029] Such as figure 1 As shown, the main frame 1 is a square with a length of 15m and a width of 15m welded by 8cm angle steel; the box body 2 is made of 60 strands of soft nylon mesh, and the top of the cage is 14.5m long x 14.5m wide. The bottom specification is 13.4m x 13.4m wide, and the mesh is 6cm. This design can ensure that the net is flat, without wrinkles, and does not form a net pocket, which plays a good r...

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Abstract

The invention provides a neophocaena phocaenoides asaeorientalis net cage breeding method. A floating trapezoid net cage is simple to manufacture, stable in shape and resistant to collision, so that newly born neophocaena phocaenoides asaeorientalis is effectively protected, operations are flexible, management is easily implemented, Yangtze River water resources are conveniently utilized, and environments are close to original survival environments. The method includes the steps: net cage breeding; physical examination and behavior surveillance; delivery management; emergency treatment. Natural predation and artificial feeding are combined, nutrient requirements of different periods of a female neophocaena phocaenoides asaeorientalis and a young neophocaena phocaenoides asaeorientalis aremet, breeding success rate is increased, physical examination is regularly implemented, diseases are prevented, growth and development conditions of the neophocaena phocaenoides asaeorientalis are accurately known, breeding systems and delivery management are optimized, and net cage breeding of the neophocaena phocaenoides asaeorientalis is successfully implemented.

Description

technical field [0001] The invention belongs to the field of aquaculture, and in particular relates to a method for breeding Yangtze finless porpoise in a cage. Background technique [0002] The Yangtze finless porpoise (Neophocaena asiaeorientalis a.) is a small toothed cetacean living in the Yangtze River in my country. It is only distributed in the middle and lower reaches of the Yangtze River and its Poyang Lake and Dongting Lake. In the past few decades, due to the impact of various human activities, the living environment has deteriorated sharply, and the population has declined severely. In 2013, IUCN adjusted its endangered level to "critically endangered" according to the research results of the Institute of Hydrobiology, Chinese Academy of Sciences. [0003] As a means of protecting endangered small cetaceans, captive breeding technology is still being valued, and it will also play an important role in scientific research, species protection, and public environmen...

Claims

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Application Information

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IPC IPC(8): A01K61/10A01K61/60A23K50/80A23K10/22
CPCA23K10/22A23K50/80A01K61/10A01K61/60Y02A40/81
Inventor 龚成郝玉江丁泽良王致远曾宪源王克雄胡良慧郑劲松梅志刚王丁张振华成先红李明辉丁亚文
Owner 湖北长江天鹅洲白鱀豚国家级自然保护区管理处