South-cultured apostichopus japonicus out-of-season seed production and cultivation method
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A sea cucumber imitation, off-season technology, applied in the field of agricultural breeding
Pending Publication Date: 2020-11-13
FISHERIES RES INST OF FUJIAN
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At present, under normal circumstances, the development of imitation japonicus species, the induction of parent ginseng production, and the cultivation of seedli
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Embodiment 1
[0048] 1) From March to June in the Gregorian calendar every year, during the harvest season of sea cucumbers moved southward, 500 sea cucumbers (more than 200g / head) with full physique, tall and straight spines, no disease, and no trauma were purchased and placed in the modular movable sea cucumbers moved southward. Sea cucumber seed production device.
[0049] 2) Breed under the condition of constant water temperature of 16°C, and feed twice a day, one at 6:00 in the morning and one at 18:00 in the evening, and feed 3% of the body weight, and suck out the residue 2 hours after feeding. Bait and feces.
[0050] During the cultivation of ginseng, the feed was prepared according to the following aspects: 30kg of Sargassum powder, 20kg of Eelweed powder, 20kg of Sargassum powder, 10kg of Ulva pore, 8kg of defatted fish meal, 5kg of oyster shell powder, 5kg of scallop powder, 1kg of multivitamins, egg 1 kg of phospholipids, add the above raw materials in sequence, mix and stir t...
Embodiment 2
[0054] A kind of method for the anti-seasonal seed production and cultivation of imitation sea cucumber that moves southward in Example 1 of the present invention adopts such as Figure 2 to Figure 7 A modular mobile southward imitation japonicus seed production device is shown, including a breeding warehouse 1, a universal wheel 2, a water quality filtering mechanism 3, a temperature control mechanism 4, a pH tester 5, a soft water injection mechanism 6, a dissolving Oxygen detector 7, aerator 8, salinity detector 9, controller and alarm light;
[0055] The temperature control mechanism 4 is installed on the bottom of the breeding warehouse 1, and the working ends of the temperature control mechanism 4 are respectively located at the bottom and inside of the breeding warehouse 1, the water quality filtering mechanism 3 is installed on the breeding warehouse 1, and the universal wheel 2 is installed on the temperature control mechanism At the bottom of 4, a pH detector, a diss...
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Abstract
The invention provides a south-cultured apostichopus japonicus out-of-season seed production and cultivation method. The method comprises the following steps: in March to June of each year of solar calendar, selecting apostichopus japonicus with full physique, performing cultivation under the condition of constant water temperature of 16 DEG C, and performing feeding with a feed accounting for 3%of the mass of apostichopus japonicus bodies; and after the apostichopus japonicas is cultured to July, starting reproduction curing and gonad culture of the seed apostichopus japonicas, reducing thetemperature of the aquaculture water body to 6 DEG C, then imitating the growth temperature curve change of the parent apostichopus japonicus under the natural condition, and gradually increasing thetemperature of the culture water body, so that on one hand, normal growth and development of the apostichopus japonicus and gonads thereof under the reduced temperature are guaranteed, and on the other hand, the apostichopus japonicus can reach the effective accumulated temperature time, and when the effective accumulated temperature reaches more than 800 DEG C per day, the apostichopus japonicasis predelivery. According to the method, the problem of parent cultivation in the south-cultured apostichopus japonicus seed production process is solved, gonad development is promoted, cultivation ofthe seed apostichopus japonicus is achieved under the artificial condition that is completely controllable, and the method meets the requirement of common farmers for out-of-season apostichopus japonicus seed production.
Description
technical field [0001] The invention relates to the technical field of agricultural breeding, in particular to a method for off-season seed production and cultivation of imitation sea cucumbers moved southward. Background technique [0002] Sea cucumbers belong to invertebrates, Echinodermata, and sea cucumbers. There are more than 900 species in the world, and about 140 species in my country. Among them, the Indian Ocean and the Western Pacific Ocean are the areas with the most species and resources of sea cucumbers in the world. my country's sea cucumbers are distributed in the temperate zone and the tropical zone. The temperate zone is mainly in the Yellow and Bohai Seas. The main economic species is sea cucumber, which is also the most well-known species of sea cucumber in my country. Sea cucumber ranks among the "Eight Treasures" among all kinds of delicacies from mountains and seas, and it also has a variety of nourishing and health-preserving functions. For nearly ...
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