A kind of staged low specific gravity seawater culture method for pearl oyster breeding of pinctada martensii
A technology of pearl oyster martensii and mariculture, which is applied in the field of pearl oyster martensii pearl production and staged low specific gravity sea culture of pinnacle martensii, which can solve the problem of short wearing time of pearl ornaments and pearl sales price. Low, poor sales and other problems, to achieve the effect of promoting growth and nacre secretion, increasing the thickness of nacre, and increasing the secretion speed
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Embodiment 1
[0027] A method for cultivating pearl oysters of Pinctada martensii staged low specific gravity seawater cultivation, comprising the steps of:
[0028] (1) Select a breeding pond: choose a breeding pond with convenient fresh water supply, water inlet and drainage facilities, an area of 100 mu, and a water depth of 2 meters;
[0029] (2) Treatment of cultured ponds: 10 days before the cultivation of pearl oysters, the cultured ponds were disinfected according to conventional methods, then fertilized with water, and 8000 Penaeus vannamei seedlings with a body length of 1.2cm were put in per mu of water, totaling 800,000 tails, After the vannamei seedlings are put in, no artificial feed will be fed within 30 days, and artificial feed will be fed on the next day according to the conventional method of shrimp farming after 30 days;
[0030] (3) Cultivation of pearl oysters: Take back the oysters that have been cultured in the sea area for 7 months and are 3 months away from the h...
Embodiment 2
[0036] A method for cultivating pearl oysters of Pinctada martensii staged low specific gravity seawater cultivation, comprising the steps of:
[0037] (1) Select a breeding pond: choose a breeding pond with convenient fresh water supply, water inlet and drainage facilities, an area of 200 mu, and a water depth of 2.3 meters;
[0038] (2) Treatment of cultured ponds: 12 days before the cultivation of pearl oysters, the ponds were disinfected using conventional methods, and then fertilized with water. 7,000 Penaeus vannamei seedlings with a body length of 1.3cm were placed in each mu of water body, totaling 1.4 million. After the white shrimp seedlings are put in, no artificial feed will be fed within 32 days, and artificial feed will be fed on the next day according to the conventional prawn breeding method after 32 days;
[0039] (3) Cultivation of pearl oysters: Take back the oysters that have been cultured in the sea area for 8 months, and the time to harvest pearls is 3 ...
Embodiment 3
[0045] A method for cultivating pearl oysters of Pinctada martensii staged low specific gravity seawater cultivation, comprising the steps of:
[0046] (1) Select a breeding pond: choose a breeding pond with inlet and drainage facilities, convenient fresh water supply, an area of 300 mu, and a water depth of 2.4 meters;
[0047] (2) Treatment of cultured ponds: 13 days before pearl oyster culture, the ponds were disinfected using conventional methods, and then fertilized with water. 6,000 Penaeus vannamei seedlings with a body length of 1.4cm were placed in each mu of water, totaling 1.8 million fish. After the white prawn seedlings are put in, no artificial feed will be fed within 34 days, and artificial feed will be fed on the next day according to the conventional culture method of prawn after 34 days;
[0048] (3) Cultivation of pearl oysters: culture pearl oysters in the sea area for 7 months, and retrieve pearl oysters that are 4 months away from harvesting pearls, was...
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