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Method for quickly inducing formation of pearl sacs of pearl mussels and promoting pearl growth

A technique for growing pearls and cultivating pearl mussels, which can be used in fish farming, application, climate change adaptation, etc. It can solve the problems of treatment time, treatment stage and treatment concentration affecting the effect, achieve good gloss, promote secretion and deposition , the effect of promoting growth

Active Publication Date: 2015-08-19
SHAOXING UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, rare earths are not essential elements in animals after all. High concentrations of rare earths have properties similar to heavy metal ions and are obviously toxic to aquatic organisms. Therefore, the treatment time, stage and concentration of rare earths on aquatic animals will directly affect their effects.

Method used

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  • Method for quickly inducing formation of pearl sacs of pearl mussels and promoting pearl growth
  • Method for quickly inducing formation of pearl sacs of pearl mussels and promoting pearl growth
  • Method for quickly inducing formation of pearl sacs of pearl mussels and promoting pearl growth

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The 2-year-old Hyriopsis mussel in this example was purchased from a pearl farm at Shanxia Lake, Zhuji City, Zhejiang Province, with a weight of 38.0-40.0 g and a body length of 7.5-7.8 cm. Thirty cell pieces of the same specification were implanted by conventional method of transplantation, totaling 500 pieces, 200 of which were placed in a breeding pond for stocking, and 300 pieces of mussels were kept in fully aerated tap water for 7 days and then treated with rare earth Ce concentrated processing. The processing process is as follows:

[0035] Hyriopsis mussels were cultured in a plastic water tank filled with 200L aerated tap water, each bucket was filled with 18 two-year-old planted Hyriopsis mussels, and the air pump was used to inflate regularly to simulate outdoor micro-flow water. Experimental setting 0.25-3.0mg.L -1 Select 3 Ce(NO 3 ) 3 Treatment concentration, 4 replicates for each treatment, with no Ce(NO 3 ) 3 Aerated tap water of mother liquor was used as a...

Embodiment 2

[0047] The 2-year-old Hyriopsis mussel used in this example was purchased from a pearl mussel breeding farm in Wuyi County, Jinhua City, Zhejiang Province, weighing 40-45g, and having a body length of 7.5-8.2cm. Huang Weihao, etc. was used to wrap small pieces of cells with pearl nuclei. Nucleus implantation is carried out by the method of implantation. Specifically, a certain size bead nucleus is implanted at the junction of the axe foot and the visceral mass of each clam (each bead nucleus is weighed and marked in advance), and a total of 4mm diameter bead nucleus is operated. 150 surgical mussels each with 6mm bead nucleus. After the nucleus insertion, the surgical mussels were temporarily recuperated in a clean small pond for 3 weeks and then brought back to the laboratory. After that, they would continue to recuperate in fully aerated tap water for 7 days. The pH of the water body was 6.3±0.3 , Water temperature 24±1℃, regular oxygenation, dissolved oxygen is 6.5±0.2mg·L -1...

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Abstract

The invention discloses a method for quickly inducing formation of pearl sacs of pearl mussels and promoting pearl growth. The method comprises the following steps of: a) selecting pearl mussels at two years old to slice or nucleus insertion operation; b) adding rare earth element cerium into aquatic water of the pearl mussels in a post-operative recuperation period; c) feeding artificial foods into the aquatic water containing cerium everyday; and d) putting the pearl mussels that are treated in 30-60 days in the aquatic water containing cerium in natural water for conventional stocking. The method disclosed by the invention can be used for remarkably inducing quick formation of pearl sacs of hyriopsis cumingii after slice or nucleus insertion operation and can be used for remarkably promoting secretion and deposition of the pearl sacs of hyriopsis cumingii after slice or nucleus insertion operation, so that the growth of the pearls is quickly promoted, and the glossiness of the pearls is good, and the quality and output of the pearls are remarkably improved.

Description

Technical field [0001] The invention relates to a method for inducing breeding, in particular to a method for rapidly inducing the formation of pearl sacs of brood mussels and promoting pearl growth. Background technique [0002] Pearls are the product of the metabolism of pearl mussels. The size, shape and luster of pearls are the decisive factors affecting the value of pearls. Among them, the size and gloss of pearls are important criteria for evaluating the quality of pearls. The main component of pearls is calcium carbonate. A large number of studies have shown that the secretion and deposition of pearl in the pearl sac of the pearl mussel is a complicated process. In addition to genetic factors, water temperature, bait, calcium ion concentration, trace elements in the water body, etc. Environmental factors directly affect the quality and yield of pearls. Therefore, by optimizing the external environmental factors to speed up the formation of the seedlings or the formation o...

Claims

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Application Information

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IPC IPC(8): A01K61/00
CPCY02A40/81
Inventor 金叶飞任岗
Owner SHAOXING UNIVERSITY
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