Pearl mussel breeding method

A breeding method, pearl oyster technology, applied in the field of aquaculture, to achieve the effect of low cost, high yield and bright color

Inactive Publication Date: 2014-07-16
SUZHOU YANGCHENGHU MODERN AGRI INDPARK SPECIAL AQUACULTURE
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Problems solved by technology

[0003] In Hokkaido, Japan, there has been a report on the successful cultivation of pearls from pearl oysters, and the pearls are of good quality, which resembles the natural seawater pearls produced in the Persian Gulf. However, pearl oysters have not yet been used in pearl production in our country. This is a new type that needs to be developed and utilized. pearl clam resources

Method used

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Embodiment Construction

[0015] The preferred embodiments of the present invention are described in detail below, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0016] Embodiments of the present invention include: a method for cultivating pearl mussels, the specific steps of which include:

[0017] 1) Select a pond with a water depth of 2-2.5 meters, a pH value of 6.5-8, and a dissolved oxygen content of 4-8mg / l for cultivation. The area of ​​the pond depends on the situation, and the size is 5-50 mu;

[0018] 2) Fertilize the pond 3 to 5 days before putting the pearl oyster in the pond, so that the water maintains Ca 2 +The content is more than 15 mg / L, and it also contains magnesium, silicon, manganese, iron and other elements;

[0019] 3) Then mix non-carnivorous fish such as grass carp, bream, bighead carp and crucian carp in the pond, and the stoc...

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Abstract

The invention discloses a pearl mussel breeding method. The pearl mussel breeding method includes steps of 1) breeding in a pond which is 2-2.5 meters in depth, 6.5-8 in pH (potential of hydrogen) value and 4-8mg / l in dissolved oxygen; 2) fertilizing the pond in 3-5 days before pearl mussels are placed into the pond; 3) breeding non-carnivorous fishes such as grass carps, breams, bighead carps and crucians in the pond; 4) drilling small holes on the shells of the pearl mussels so as to string the pearl mussels by ropes; 5) feeding proper food organisms, applying rare-earth nutrient sources once in the peak period of growth of the pearl mussels so that the concentration of the pond is 0.1mg / l; 6) subjecting all pregnant mussels to pregnancy examination in three to four months before collecting the pearl mussels, and classifying according to fetal development. The pearl mussel breeding method adopts mixed breeding technology, and the bred pearl mussels are bright in pearl luster, high in yield and low in cost.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to a method for cultivating pearl mussels. Background technique [0002] Pearl mussels are also called mother-of-pearl mussels, commonly known as clams. The pearl oyster is named for its prolific natural pearls. The pearl oyster shell is large, thick and solid, and is oblong in shape. The length of the shell can reach 180mm, the height of the shell is 70mm, and the width of the shell is 40mm. The two shells are enlarged, and the shell surface is dark brown, or It is nearly black and covered with shiny spots. It lives in rivers and streams. In my country, it is mainly distributed in Heilongjiang, Jilin and other provinces. There are also a certain number of distributions in some river sections of Dalian. It is also distributed in Japan and the former Soviet Union. Distributed and all bred freshwater pearls. [0003] In Hokkaido, Japan, there has been a report on the successful cultivation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 沈建明
Owner SUZHOU YANGCHENGHU MODERN AGRI INDPARK SPECIAL AQUACULTURE
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