Method for culturing large pearls by using clam visceral sac implanted nucleuses

Abstract

The invention discloses a method for culturing large pearls by using clam visceral sac implanted nucleuses. The method is characterized by comprising the following steps of: determining three nucleus implanting positions, namely a ridge nucleus position, an abdominal foot nucleus position and an annular intestine nucleus position capable of culturing the pearls in clam visceral sacs according to the size and physique conditions of clams, then implanting 1 to 3 pearl nucleuses and small cell fragments into the selected position in the three nucleus positions, putting the clams implanted with nucleuses back to a culture water area to culture the pearls, and harvesting free large pearls from the visceral sacs of the clams after the cultured pearls are mature. The method for implanting the nucleuses and culturing the pearls by selecting the three key nucleus implanting positions of the visceral sacs of the clams, namely the ridge nucleus position, the abdominal foot nucleus position and the annular intestine nucleus position effectively improves the pearl forming rate by fully using the characteristics of large gonad positions of the three nucleus positions adaptive to culturing the pearls, few intestines and visceral organs affecting nucleus implantation and the like; the nucleus implanted mother clams have extremely low death rate and high implanted pearl nucleus retention rate and high-quality pearl rate; and the method has remarkable economic benefit and social benefit, and can be applied to scale production.

Description

technical field [0001] The invention relates to a method for cultivating pearls, in particular to a method for cultivating large pearls by nucleating mussel viscera. Background technique [0002] my country's pearl industry is in a period of slow recovery after three years of low tide. However, it is still difficult to get a good return on investment for ordinary technology products. For example, the seedless pearls cultivated by the mantle of the triangular mussel cost about 500 yuan per kilogram, and the pearls harvested once every 5 years for each pearl-breeding mussel are about 30 grams, worth 15 yuan, and the profit is very low. So on June 20, 2000, I applied for the invention patent of "Insertion Method of Cultured Pearls with Freshwater Mussels" (CN1294844A). A bead core made from shells. Due to the proliferation of small pieces of cells, the pearl sac is formed to surround the pearl nucleus, and the pearl sac secretes nacre and plated on the bead nucleus to form a...

AI Technical Summary

Problems solved by technology

However, due to the location of the nuclei and the number of nuclei, only one bead nucleus can be implanted in the viscera of each pearl oyster, and the rate of pearl formation is low. Due to the disadvantages of low nucleus retention rate and high-quality bead rate, the economic benefits of large-scale production are not ideal and there is no mass production.

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