CN104782540A - Method for increasing transportation survival rate of summer freshwater shrimp larvae - Google Patents
Method for increasing transportation survival rate of summer freshwater shrimp larvae Download PDFInfo
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- CN104782540A CN104782540A CN201510142699.XA CN201510142699A CN104782540A CN 104782540 A CN104782540 A CN 104782540A CN 201510142699 A CN201510142699 A CN 201510142699A CN 104782540 A CN104782540 A CN 104782540A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The invention belongs to the technical field of aquaculture, and relates to a method for increasing transportation survival rate of summer freshwater shrimp larvae. The method comprises the steps that 1, water is added into a water tank, the demand water of the water tank is determined according to the transport quantity of the shrimp larvae, deep well water is added into the water tank to reach half of the demand water firstly, and then water of an original pond of the shrimp larvae is added to reach half of the demand water to be mixed with the added deep well water; 2, Vc is added, Vc for aquatic products is added into the water tank; 3, oxygen aeration is conducted, and oxygen is added into the water tank; 4, shrimp larva putting is conducted, and the shrimp larvae are put into the water tank. The character that the deep well water is homothermal is adopted, the water temperature of the water tank in high temperature season is far lower than that of the pond, the deep well water is added into the water tank to reach half of the demand water, the water temperature of the water tank can be effectively decreased, the temperature difference is not too large, the pond water is added to reach half of the demand water, and a buffering function on the quality of the water in the water tank can be achieved. Vc can effectively reduce stress reaction of the shrimp larvae and increase the survival rate of the shrimp larvae after the shrimp larvae are transported and enter the pond. An oxygen cylinder is used for adding the oxygen, on one hand, the pure oxygen adding effect is obvious; on the other hand, the temperature of the pure oxygen is constant, and the temperature of the water in the water tank can be kept stable.
Description
Technical field
The invention belongs to technical field of aquaculture, relate to a kind of method improving freshwater shrimp seed transportation survival rate in summer.
Background technology
freshwater shrimp (Macrobrachium nipponense), formal name used at school Japanese macrobrachium supernbum is the important economic freshwater shrimps of China.Freshwater shrimp has nutritious, the advantage such as fine and tender taste, delicious flavour.The advantages such as because people are to the increase of freshwater shrimp demand, and shrimp culture cost is low, and income is fast, and profit is high, have expedited the emergence of the development of shrimp culture industry.
In development scale shrimp culture production process, shrimp seedling is bred and is become shrimp aquaculture progressively to divide the work, and the transport of shrimp seedling to have become in shrimp culture production process an important link.At present, the means of transportation that freshwater shrimp seed is commonplace adopts grid oxygen enhancement: loaded by seed in the special grid of shrimp seedling, be then flat in water tank by grid, stacked in multi-layers, adopt oxygen increasing pump constantly to oxygenation in water tank.
Summer, the transport of freshwater shrimp seed was in high temperature season, and freshwater shrimp metabolism is accelerated, and harmful substance is run-up in water tank, thus caused freshwater shrimp dead.For reducing the metabolism of freshwater shrimp seed in high temperature season transportation, often take the method reducing water temperature: all use phreatic water or add ice cube.Whole use phreatic water transports: the shortcoming of this kind of method is the water temperature in phreatic water and freshwater shrimp seed pond, water quality differs comparatively large, and shrimp seedling is placed in suddenly a brand-new water body, can because of water temperature, water quality difference causes more greatly stress be dead.Add ice cube in transportation: the shortcoming of this kind of method is that water tank water body is little, the addition of ice cube is difficult to control.Ice cube very little, does not reach the object of cooling; Ice cube is too many, the water temperature of water tank can be made too low, cause seed to cause stronger stress reaction because of excessive temperature differentials.
Summary of the invention
Technical problem to be solved by this invention is, provides a kind of and can provide adapt circumstance to freshwater shrimp seed thus the method for reduction freshwater shrimp seed raising freshwater shrimp in summer seed transportation survival rate of lethality in transportation.
The method of raising freshwater shrimp seed transportation survival rate in summer of the present invention, comprises the steps:
1) water tank adds water: according to the transport quantity of seed, determines institute's water requirement in water tank, and first in water tank, add half phreatic water, the water then adding the former pond of half seed mixes;
2) Vc is added: in water tank, add aquatic products Vc;
3) oxygenation: oxygenation in water tank;
4) shrimp seedling is put: freshwater shrimp seed is put into water tank.
In step 3), oxygen cylinder is used to carry out oxygenation to water tank.
Step 2) in, in water tank, add aquatic products Vc according to the consumption of 1g/L.
Putting into seed first 10 minutes, oxygen cylinder is brought into use to carry out oxygenation to water tank.
Advantage of the present invention: (1) utilizes the feature of phreatic water constant temperature, high temperature season water temperature, far below pond water temperature, adds half phreatic water, effectively can reduce the water temperature in water tank, but be unlikely to excessive temperature differentials, and relative on the rocks, adds well water cost low; Add half pond water, cushioning effect can be played to the water quality in water tank, the stress reaction produced after reducing shrimp seedling conversion water environment.
(2) aquatic products adds in right amount with Vc is general all for resisting stress and removing toxic substances, effectively can reduce the stress reaction of seed in the transportation of shrimp seedling, improves the survival rate behind seed transport, the lower pool.
(3) oxygen increasing pump is in the process of work, can produce a large amount of heats, the air themperature be filled with in water tank is raised, thus it is very fast to cause water temperature to rise; Use oxygen cylinder oxygenation, pure oxygen oxygenation effect is obvious on the one hand, and pure oxygen temperature constant, can keep water tank water temperature more stable on the other hand.
The present invention fully utilizes the transportation survival rate that said method effectively can improve freshwater shrimp seed in summer.
Embodiment
Below by specific embodiment, the present invention is elaborated.
Example 1:
Water tank capacity 300L, transport freshwater shrimp seed 30kg, adding phreatic water 100L, adds breeding spand former pool water 100L, then add 200g aquatic products Vc, putting into seed first 10 minutes and transportation, bringing into use oxygen cylinder to carry out oxygenation to water tank.Through the transport of 1 hour, shrimp shoot survival percent reached about 95%.
Example 2:
Water tank capacity 600L, transport freshwater shrimp seed 80kg, adding phreatic water 200L, adds the former pond water 200L of seed, then add 400g aquatic products Vc, putting into seed first 10 minutes and transportation, bringing into use oxygen cylinder to carry out oxygenation to water tank.Through the transport of 2 hours, shrimp shoot survival percent reached about 90%.
Example 3:
Water tank capacity 1000L, transport freshwater shrimp seed 120kg, adding phreatic water 400L, adds breeding spand former pool water 400L, then add 800g aquatic products Vc, putting into seed first 10 minutes and transportation, bringing into use oxygen cylinder to carry out oxygenation to water tank.Through the transport of 2 hours, shrimp shoot survival percent reached about 95%.
Claims (4)
1. improve a method for freshwater shrimp seed transportation survival rate in summer, it is characterized in that: comprise the steps:
1) water tank adds water: according to the transport quantity of seed, determines institute's water requirement in water tank, and first in water tank, add half phreatic water, the water then adding the former pond of half seed mixes;
2) Vc is added: in water tank, add aquatic products Vc;
3) oxygenation: oxygenation in water tank;
4) shrimp seedling is put: freshwater shrimp seed is put into water tank.
2. the method for raising freshwater shrimp seed transportation survival rate in summer according to claim 1, is characterized in that: in step 3), uses oxygen cylinder to carry out oxygenation to water tank.
3. the method for raising freshwater shrimp seed transportation survival rate in summer according to claim 1, is characterized in that: step 2) in, in water tank, add aquatic products Vc according to the consumption of 1g/L.
4. the method for raising freshwater shrimp seed transportation survival rate in summer according to claim 2, is characterized in that:
Putting into seed first 10 minutes, oxygen cylinder is brought into use to carry out oxygenation to water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510142699.XA CN104782540A (en) | 2015-03-30 | 2015-03-30 | Method for increasing transportation survival rate of summer freshwater shrimp larvae |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510142699.XA CN104782540A (en) | 2015-03-30 | 2015-03-30 | Method for increasing transportation survival rate of summer freshwater shrimp larvae |
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| CN104782540A true CN104782540A (en) | 2015-07-22 |
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| CN201510142699.XA Pending CN104782540A (en) | 2015-03-30 | 2015-03-30 | Method for increasing transportation survival rate of summer freshwater shrimp larvae |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105123571A (en) * | 2015-07-24 | 2015-12-09 | 浙江师范大学 | Symphsodon discus live transportation method |
| CN107396868A (en) * | 2017-09-14 | 2017-11-28 | 苏州市相城区阳澄湖镇剑成水产生态养殖专业合作社 | A kind of cultural method for making Taihu Lake shrimp in good taste |
| CN107466917A (en) * | 2017-08-11 | 2017-12-15 | 天津市金水族水产养殖有限公司 | A kind of long-distance transport method of suitable fancy carp |
| CN109105323A (en) * | 2018-09-14 | 2019-01-01 | 安徽省农业科学院水产研究所 | A method of improving cray seed transportation survival rate |
| CN110896904A (en) * | 2019-12-27 | 2020-03-24 | 湖北省小龙虾产业技术研究院有限公司 | Method for improving shrimp fry transportation survival rate |
-
2015
- 2015-03-30 CN CN201510142699.XA patent/CN104782540A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105123571A (en) * | 2015-07-24 | 2015-12-09 | 浙江师范大学 | Symphsodon discus live transportation method |
| CN107466917A (en) * | 2017-08-11 | 2017-12-15 | 天津市金水族水产养殖有限公司 | A kind of long-distance transport method of suitable fancy carp |
| CN107396868A (en) * | 2017-09-14 | 2017-11-28 | 苏州市相城区阳澄湖镇剑成水产生态养殖专业合作社 | A kind of cultural method for making Taihu Lake shrimp in good taste |
| CN109105323A (en) * | 2018-09-14 | 2019-01-01 | 安徽省农业科学院水产研究所 | A method of improving cray seed transportation survival rate |
| CN110896904A (en) * | 2019-12-27 | 2020-03-24 | 湖北省小龙虾产业技术研究院有限公司 | Method for improving shrimp fry transportation survival rate |
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Application publication date: 20150722 |