CN106614129A - Safe overwintering culturing method of catfishes - Google Patents
Safe overwintering culturing method of catfishes Download PDFInfo
- Publication number
- CN106614129A CN106614129A CN201611056791.5A CN201611056791A CN106614129A CN 106614129 A CN106614129 A CN 106614129A CN 201611056791 A CN201611056791 A CN 201611056791A CN 106614129 A CN106614129 A CN 106614129A
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- China
- Prior art keywords
- feeding amount
- catfish
- bait feeding
- catfishes
- bait
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Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K61/00—Culture of aquatic animals
-
- 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
-
- 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
- Y02A40/818—Alternative feeds for fish, e.g. in aquacultures
Abstract
The invention relates to the technical field of aquaculture, in particular to a safe overwintering culturing method of catfishes. The method comprises the three culturing procedures of culturing density regulating, bait regulating and anti-stress training. By means of the culturing density obtained through regulation according to the respiration characteristics of the catfishes at different temperatures, not only can the respiration frequency of the catfishes be guaranteed, but also the fish school environment temperature can be increased; the bait decreasing or increasing amount in different months is obtained through repeated regulation according to the self-metabolism performance of the catfishes at different temperatures, and the metabolism performance of the catfishes can be effectively kept; by adding abrus herb granules in bait, the anti-stress capability of the catfishes in a low-temperature environment can be effectively improved, and the weight increase performance and the fish meal quality of the catfishes can be improved; training is conducted by pulling a net cage from early November to the end of February, and the low-temperature resistance of the catfishes can be gradually improved. According to the method, the problem that outdoor overwintering culturing of the catfishes cannot be achieved is solved, and safe overwintering and efficient culturing of the catfishes in an open environment are guaranteed.
Description
Technical field
The present invention relates to technical field of aquaculture, and in particular to a kind of catfish safe overwintering cultural method.
Background technology
Catfish is less than 1 jin, a traditional unit of weight also known as Clarias fuscus, body colour yellow, wild fish poor growth, general weight, nutritive value
Height, 64.1 grams of moisture content, 14.4 grams of protein in oppressing per 100 grams, and containing several mineral materials and trace element, be particularly suitable for
Weak deficient, malnutritive people eats, in good taste.The traditional Chinese medical science thinks that catfish is sweet warm in nature, there is bowl spares Yiyang, and diuresis treat water
Swollen the effects such as, can propagate artificially, market potential is big.
Catfish suitably lives in 20～25 DEG C of waters of water temperature, and how anti-seismic design extreme difference improves catfish anti-seismic design
There is positive meaning to aquaculture.
The content of the invention
It is poor to solve catfish anti-seismic design, the high problem of the death rate during surviving the winter, it is an object of the invention to provide
Plant catfish safe overwintering cultural method.
The technical solution used in the present invention is, a kind of catfish safe overwintering cultural method, and its step is：
（1）Cultivation density is adjusted：At the beginning of 11 months, water in the pool is added and is deep to 3.8-4.2m, improve catfish density in net cage, per m3 net cages
Inside put 3.6-3.8kg catfish in a suitable place to breed；
At the beginning of 12 months, catfish density in net cage is further improved, in every m3 net cages 4.3-4.5kg catfish is put in a suitable place to breed；
At the beginning of 1 month, catfish density in net cage is further improved, in every m3 net cages 5.5-5.8kg catfish is put in a suitable place to breed；
At the beginning of 2 months, catfish density in net cage is reduced, in every m3 net cages 3.5-3.9kg catfish is put in a suitable place to breed；
（2）Bait is adjusted：Bait feeding amount is reduced,
November bait feeding amount is the 86-88% of October bait feeding amount weight, and on the basis of November bait feeding amount
The Canton love-pea vine granule of addition November bait feeding amount weight 2-3%；
December bait feeding amount is the 80-83% of November bait feeding amount weight, and on the basis of December bait feeding amount
The Canton love-pea vine granule of addition December bait feeding amount weight 5-6%；
Increase bait feeding amount,
January bait feeding amount is 1.01-1.04 times of December bait feeding amount weight, and in the base of January bait feeding amount
Add the Canton love-pea vine granule of January bait feeding amount weight 1-3% on plinth；
2 month bait feeding amount be 1.08-1.1 times of January bait feeding amount weight, and on the basis of 2 months bait feeding amounts
The Canton love-pea vine granule of upper addition January bait feeding amount weight 3-5%；
The additive granules agent presses 1 by Canton love-pea vine and methyl alcohol:5 volume ratio mixing, in being passed through CO2 supercritical extraction reactors,
Temperature is 68-75 DEG C, and pressure is that 1-1.5 hours are extracted under 8-12MPa, extract Jing precipitations, filters, concentrates, being spray-dried
Arrive；
（3）Resisting stress is taken exercise：At the beginning of 11 months-by the end of February, between every morning 5-6 points, net cage is topmost pulled to it is concordant with the water surface, to
Net cage bottom water injection promotes catfish upstream, after continuing 15-18 minutes, net cage is settled down into pool bottom；
11 just-by the end of February, between every afternoon 19-20 points, net cage is pulled out into the water surface, after continuing 26-28 minutes, net cage is settled down to
Pond intermediate altitude.
Beneficial effect of the present invention is, the present invention by Wintering Period catfish in net cage is entered line density adjustment, bait adjust,
Resisting stress is taken exercise can effectively help catfish smoothly to survive the winter and effectively increase weight, and the cultivation density in different months is in difference according to catfish
At a temperature of respiratory characteristic adjust to determine repeatedly and obtain, not only can guarantee that catfish respiratory rate but also shoal of fish environment temperature can have been improved；No
It is that at different temperatures own metabolism performance is adjusted and obtained repeatedly according to catfish with reducing bait month or increasing the abundance of food, can has
Effect maintains catfish metabolism performance, and Canton love-pea vine granule is added in bait can effectively improve resisting stress of the catfish in low temperature environment
Ability, improve catfish weight gain performance and flesh quality, at the beginning of 11 months-by the end of February by pulling net cage training, can real catfish gradually
Heighten resistance to low temperature, the present invention thoroughly solves the problems, such as that catfish cannot survive the winter cultivation outdoor again, it is ensured that catfish is outdoor
Environmental security is survived the winter and is efficiently formed.
Specific embodiment
Below in conjunction with specific embodiment, the present invention will be described,
Embodiment 1,
A kind of catfish safe overwintering cultural method, its step is：
（1）Cultivation density is adjusted：At the beginning of 11 months, water in the pool is added and is deep to 4m, improve catfish density in net cage, put in a suitable place to breed in every m3 net cages
3.6-3.8kg catfish；
At the beginning of 12 months, catfish density in net cage is further improved, in every m3 net cages 4.3-4.5kg catfish is put in a suitable place to breed；
At the beginning of 1 month, catfish density in net cage is further improved, in every m3 net cages 5.5-5.8kg catfish is put in a suitable place to breed；
At the beginning of 2 months, catfish density in net cage is reduced, in every m3 net cages 3.5-3.9kg catfish is put in a suitable place to breed；
（2）Bait is adjusted：Bait feeding amount is reduced,
November bait feeding amount is the 87% of October bait feeding amount weight, and adds on the basis of November bait feeding amount
Plus the Canton love-pea vine granule of November bait feeding amount weight 2.3%；
December bait feeding amount is the 82% of November bait feeding amount weight, and adds on the basis of December bait feeding amount
Plus the Canton love-pea vine granule of December bait feeding amount weight 5.3%；
Increase bait feeding amount,
January bait feeding amount is 1.02 times times of December bait feeding amount weight, and on the basis of January bait feeding amount
The Canton love-pea vine granule of addition January bait feeding amount weight 2%；
2 month bait feeding amount be 1 times of January bait feeding amount weight, and added 1 on the basis of bait feeding amount at 2 months
The Canton love-pea vine granule of month bait feeding amount weight 4%；
The additive granules agent presses 1 by Canton love-pea vine and methyl alcohol:5 volume ratio mixing, in being passed through CO2 supercritical extraction reactors,
Temperature is 72 DEG C, and pressure is to extract 1.3 hours under 10MPa, and extract Jing precipitations, filtration, concentration, spray drying are obtained；
（3）Resisting stress is taken exercise：11 just-by the end of February, between every morning 5-6 points, net cage is topmost pulled to it is concordant with the water surface, to net
Case bottom water injection promotes catfish upstream, after continuing 16 minutes, net cage is settled down into pool bottom；
11 just-by the end of February, between every afternoon 19-20 points, net cage is pulled out into the water surface, after 27 minutes, net cage is settled down to high in the middle of pond
Degree.
Below in conjunction with concrete test, the present invention is further described,
Experimental period is that in by the end of February, -2016 winter test was divided into 5 groups at the beginning of 11 months 2015, experimental group, blank group, control group 1, right
According to group 2, control group 3, per group of each net cage, each net cage puts 50 catfish in a suitable place to breed, later continuous according to catfish weight in net cage
Adjustment net cage size；
Wherein, each group catfish be the 50-60g catfish fished for from same fish pond as test fish,
Experimental group is processed the catfish that survives the winter according to the method for embodiment 1；
Blank group is processed the catfish that survives the winter according to a conventional method；
The cancellation step on the basis of embodiment 1 of control group 1（2）Bait is adjusted, and to surviving the winter, catfish is processed；
The cancellation step on the basis of embodiment 1 of control group 2（3）Resisting stress is taken exercise, and to surviving the winter, catfish is processed；
Control group 3 cancels the addition Canton love-pea vine granule in bait on the basis of embodiment 1；
Each group net cage area is identical, raises in the same pool, and it is identical that each group experimental period feeds foundation bait；
After off-test, each group residue catfish number and catfish average weight are counted, the results are shown in Table 1：
| Group | Experimental group | Blank group | Control group 1 | Control group 2 | Control group 3 |
| Off-test residue catfish number | 50 | 4 | 11 | 15 | 13 |
| Off-test catfish average weight | 114g | 72g | 71g | 99g | 75g |
| Crude protein content % in the flesh of fish | 83.8 | 75.9 | 75.3 | 83.6 | 75.2 |
As seen from the above table, process of surviving the winter is carried out to catfish using the method for embodiment 1, catfish overwintering survival rate can be significantly improved and got over
Winter rate of body weight gain, bait adjustment, resisting stress are taken exercise, addition Canton love-pea vine particle is respectively provided with positive effect to catfish safe overwintering, in bait
Crude protein content has remarkable effect in adding Canton love-pea vine particle in material to improving the flesh of fish.
Claims (2)
1. a kind of catfish safe overwintering cultural method, it is characterised in that its step is：
（1）Cultivation density is adjusted：At the beginning of 11 months, water in the pool is added and is deep to 3.8-4.2m, improve catfish density in net cage, per m3 nets
Put 3.6-3.8kg catfish in case in a suitable place to breed；
At the beginning of 12 months, catfish density in net cage is further improved, in every m3 net cages 4.3-4.5kg catfish is put in a suitable place to breed；
At the beginning of 1 month, catfish density in net cage is further improved, in every m3 net cages 5.5-5.8kg catfish is put in a suitable place to breed；
At the beginning of 2 months, catfish density in net cage is reduced, in every m3 net cages 3.5-3.9kg catfish is put in a suitable place to breed；
（2）Bait is adjusted：Bait feeding amount is reduced,
November bait feeding amount is the 86-88% of October bait feeding amount weight, and on the basis of November bait feeding amount
The Canton love-pea vine granule of addition November bait feeding amount weight 2-3%；
December bait feeding amount is the 80-83% of November bait feeding amount weight, and on the basis of December bait feeding amount
The Canton love-pea vine granule of addition December bait feeding amount weight 5-6%；
Increase bait feeding amount,
January bait feeding amount is 1.01-1.04 times of December bait feeding amount weight, and in the base of January bait feeding amount
Add the Canton love-pea vine granule of January bait feeding amount weight 1-3% on plinth；
2 month bait feeding amount be 1.08-1.1 times of January bait feeding amount weight, and on the basis of 2 months bait feeding amounts
The Canton love-pea vine granule of upper addition January bait feeding amount weight 3-5%；
（3）Resisting stress is taken exercise：At the beginning of 11 months-by the end of February, between every morning 5-6 points, net cage is topmost pulled to it is concordant with the water surface, to
Net cage bottom water injection promotes catfish upstream, after continuing 15-18 minutes, net cage is settled down into pool bottom；
11 just-by the end of February, between every afternoon 19-20 points, net cage is pulled out into the water surface, after continuing 26-28 minutes, net cage is settled down to
Pond intermediate altitude.
2. a kind of catfish safe overwintering cultural method according to claim 1, it is characterised in that
The Canton love-pea vine granule presses 1 by Canton love-pea vine and methyl alcohol:5 volume ratio mixing, in being passed through CO2 supercritical extraction reactors,
Temperature is 68-75 DEG C, and pressure is that 1-1.5 hours are extracted under 8-12MPa, extract Jing precipitations, filters, concentrates, being spray-dried
Arrive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056791.5A CN106614129A (en) | 2016-11-26 | 2016-11-26 | Safe overwintering culturing method of catfishes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611056791.5A CN106614129A (en) | 2016-11-26 | 2016-11-26 | Safe overwintering culturing method of catfishes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106614129A true CN106614129A (en) | 2017-05-10 |
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ID=58811430
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611056791.5A Pending CN106614129A (en) | 2016-11-26 | 2016-11-26 | Safe overwintering culturing method of catfishes |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107874023A (en) * | 2017-10-31 | 2018-04-06 | 合肥申仁养殖有限公司 | One kind promotes catfish to grow feed easy to digest |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1860910A (en) * | 2006-06-14 | 2006-11-15 | 谭永权 | Synergist made of Chinese herb medicine for forage to feed domestic animals, domestic birds and fish or like |
| CN105794689A (en) * | 2014-12-31 | 2016-07-27 | 天津市凯润淡水养殖有限公司 | Safe overwintering method for aquaculture fishpond |
-
2016
- 2016-11-26 CN CN201611056791.5A patent/CN106614129A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1860910A (en) * | 2006-06-14 | 2006-11-15 | 谭永权 | Synergist made of Chinese herb medicine for forage to feed domestic animals, domestic birds and fish or like |
| CN105794689A (en) * | 2014-12-31 | 2016-07-27 | 天津市凯润淡水养殖有限公司 | Safe overwintering method for aquaculture fishpond |
Non-Patent Citations (2)
| Title |
|---|
| 张英志: "温水性鱼类安全越冬管理", 《华夏星火》 * |
| 陈德根: "提高胡子鲶鱼的安全越冬技术", 《四川农业科技》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107874023A (en) * | 2017-10-31 | 2018-04-06 | 合肥申仁养殖有限公司 | One kind promotes catfish to grow feed easy to digest |
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Application publication date: 20170510 |
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