Quality-improving and yield-increasing breeding method for high-quality lates calarifer
A breeding method and technology of barramundi, which is applied in the field of high-quality barramundi to improve quality and increase production, to achieve the effects of improving adaptability and disease resistance, making full use of feed, and increasing the content of dissolved oxygen
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Embodiment 1
[0025] In April 2017, the researchers conducted relevant verification experiments in the aquaculture base of Qingkou Town, Lianyungang City. The yield and quality of barramundi were measured after harvest. The results are shown in Tables 3 and 4. The specific methods are as follows:
[0026] S1. Pond selection and pre-use treatment: Select a pond close to the sea, with convenient water and drainage and no industrial pollution as the barramundi breeding pond. Before using the pond, drain the water in the pond and expose it to the pond for 5-10 days The bottom mud is dry and cracked, and the whole pond is sprayed with 80-100kg of quicklime per mu for disinfection; 2 days after the disinfection is completed, water is injected, and after 7-10 days, fertilization and watering are applied, and 200-300kg of water and fertilizer are put into the mu; the composition of water and fertilizer is by weight: fermented chicken manure 60. Soybean meal 35, peanut meal 15, corn stalk 22, rice br...
Embodiment 2
[0032] In order to verify the beneficial effects of laser irradiation, magnetized seawater and incubation-promoting fluid in the inventive route, researchers conducted relevant comparative verification experiments in the laboratory in April 2017. The specific methods are as follows:
[0033] The present invention: adopt the method step in S2 in the embodiment 1, cultivate 300 grains of barramundi fertilized eggs, after hatching, count the hatching success rate and hatching time, the obtained results are shown in Table 1.
[0034] Treatment with laser irradiation alone: except that the magnetized seawater in S2 in Example 1 was replaced with ordinary seawater and no incubation-promoting solution was applied, the same method steps were used to cultivate 300 barramundi fertilized eggs from the same source. After hatching, the hatching success rate and hatching time were counted, and the results are shown in Table 1.
[0035] Single use of magnetized seawater treatment: except t...
Embodiment 3
[0041] In order to verify the beneficial effects of the fry adapting liquid applied during the pre-stocking and desalinating stages of the route of the present invention, researchers did relevant comparative verification tests in the laboratory. The specific method steps are as follows:
[0042] The present invention: using the method steps in S3 in Example 1, pre-stocking and desalinating 300 barramundi larvae, after the desalination is completed, the survival rate and health of the fry are counted, and the obtained results are shown in Table 2.
[0043] Conventional desalination: using the conventional method, that is, without applying the fry adaptation solution, 300 barramundi larvae from the same source were desalinated. After the desalination was completed, the survival rate and health of the fry were counted. The results are shown in Table 2.
[0044]
[0045] Analyzing Table 2, we can see that adopting the route of the present invention to process the desalinated bar...
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