Good nacre cultivating method for pinctada martensii
A technology of Pinctada martensii and its cultivation method, which is applied in the field of cultivating excellent Pinctada martensii, can solve the problems of no relevant reports on shell shape, and achieve the effect of improving the traits of pearl breeding and reducing death
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[0014] In April 2010, the first-generation core population of wild Pinctada martensii from Shenzhen was selected as the selection group for the second-generation breeding selection. The shellfish age was 1.5 years old and the number was 1500. The shell height and shell height of each individual were measured. Width, calculate the shell width / shell height ratio, select individuals with a ratio greater than 0.35 and a shell width greater than 20mm as parents, after maturation and cultivation, select 32 female individuals with mature gonads and 56 male individuals, and dissect the shellfish to get their gonads. The collected sperm eggs were filtered through a sieve, and the eggs were quickly added to a 100L flat-bottomed aquarium filled with 0.005% ammonia seawater, and then an appropriate amount of sperm was added and mixed to allow them to be fertilized. The water temperature for fertilization and development was 24°C. In September 2013, the shell width / shell height ratio of its...
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