CN102165925A - Staged desalinization culturing method for penaeus vannamei boone - Google Patents
Staged desalinization culturing method for penaeus vannamei boone Download PDFInfo
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Abstract
The invention discloses a staged desalinization culturing method for penaeus vannamei boone. The method comprises the steps such as selection of penaeus vannamei boone offspring seeds, a staged offspring seed desalting process, treatment on quality of offspring seed desalination water, treatment on quality of water in a culturing process, routine culture and management and the like. By utilizing the staged desalinization culturing method for penaeus vannamei boone provided by the invention, the problem that penaeus vannamei boone dies due to osmotic pressure change caused by salinity change is overcome, and the desalinization culturing of the penaeus vannamei boone is achieved, thus the method provided by the invention has important practical application value.
Description
Technical field
The present invention relates to aquatic products freshwater aquiculture technical field, be specifically related to the stage desalination cultivation method of a kind of Penaeus Vannmei.
Background technology
Penaeus Vannmei shrimp seedling is the main shrimps kind that present China cultures, but it because desalination mode and technology mode are unreasonable, makes that its survival rate is lower in the process of freshwater aquiculture, therefore, a kind of cultural method that can improve Penaeus Vannmei freshwater aquiculture survival rate of active demand.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides the stage desalination cultivation method of a kind of Penaeus Vannmei.This method has improved the survival rate of Penaeus Vannmei freshwater aquiculture.
The technical solution used in the present invention is as follows for achieving the above object:
The stage desalination cultivation method of a kind of Penaeus Vannmei is characterized in that may further comprise the steps:
(1) choosing of the Penaeus Vannmei young: it is even to select size, and energetic, disease-free, as the not have wounded or disabled 0.5-0.6cm young requires nursery that the salinity of growing seedlings of the 0.5-0.6cm young is adjusted into 11-13 ‰;
(2) phase I desalination cultivation
1) at first selecting area is 15-20m
2Chi Shen is that 1 meter cement pit is desalinated the pond as one-level, strict sterilization is carried out in one-level desalination pond, to filter with husky earlier then, cross in the water adding one-level desalination pond of filtration with 1~5 μ filter bag again, in water, add disodium ethylene diamine tetraacetate, chitin more successively, and faint inflation, again the pond salinity water is transferred to 11-13 ‰, 28 ℃~30 ℃ of pond water temperatures, illumination is controlled at 2000~20000 and reins in;
2) water temperature of adjusting seedling shipping bags is consistent with the water temperature in one-level desalination pond;
3) young in the shipping bags is moved in the 200 mesh sieve thin,tough silk write by hand nets, in 180 milliliters of/cubic metre formalin solutions, soaked 50 seconds, taking-up is washed with clean water, move into then in the one-level desalination pond that step 1) handled, requirement, the depth of water in desalination pond is 45-50cm when beginning to put seedling, throws in the standard of 60,000 tails by every cube of water body and throws in the young;
4) time of phase I desalination is 8 days, keeps original salinity 12 ‰ in first day, adds fresh water later every day and makes pond salinity water every day light down 2 ‰, and terminal cistern salinity water keeps 3 ‰, and the depth of water is 0.8-1.0m;
5) bait feeding: in the phase I desalination process every day must in the pond, throw something and feed prawn slice, two kinds of feeds of fairy shrimp, wherein, prawn slice are thrown something and fed after 60~350 mesh sieve thin,tough silk are washed by rubbing with the hands, feeding volume is: 3-5 time/day, each 2.5 grams~4.0 gram/cubic meters, the fairy shrimp feeding volume is: 2-4 time/day, feeding volume is 1.2~2.5 gram/rice
3
6) drop into Ve, Vc, three kinds of vitamins of Vb every three days in the water body in one-level desalination pond, the amount that drops in every cubic metre of water body is respectively Ve:0.4-0.6 gram/cubic meter, Vc:0.8-1.2 gram/cubic meter, Vb:0.09-0.11 gram/cubic meter;
7) daily management: by an amount of bait throwing in, change water, keep an amount of algae, use effective microorganism preparation to make water quality keep good, requirement, the water body pH 7.8~8.6 that keeps one-level desalination pond, more than dissolved oxygen 4 mg/litre, below chemical oxygen consumption (COC) 5 mg/litre, below total ammonia nitrogen 0.5 mg/litre, below nitrous acid nitrogen 0.1 mg/litre, can not there be hydrogen sulphide to detect;
(3) second stage desalination cultivation
When prawn body length arrived the 1cm left and right sides, the phase I desalination cultivation finished, and enters the second stage desalination cultivation stage:
1) at first selecting area is 600-650m
2, the pond be deeply 1.5 meters soil property pond as secondary desalination cultivation pond, add fresh water in the Xiang Chiti, adjusting water salinity is 2 ‰, pond water temperature is 20-35 ℃, cultures under the nature;
2) with water body disinfection, rich water when depth of water is that 48-52cm begins to put seedling, is put seedling amount 45-55 ten thousand tails;
3) the second stage desalination time is 15 days, and add 30 cubes in water preceding 5 day every day, the special-purpose 0# feed of the Penaeus Vannmei of throwing something and feeding, feeding volume is 50 grams/ten thousand tails, and add 40 cubes in water back 10 day every day, and the special-purpose 1# feed of the Penaeus Vannmei of throwing something and feeding, feeding volume is 70 grams/ten thousand tails, and finally keeping the depth of water is 1.3-1.5m;
4) daily management: daily management is carried out in the requirement according to the phase I;
(4) phase III cultures
After second stage was desalinated 15 days, the shrimp body is long to enter breed phase phase III to 2.5-3.5cm:
1) phase III selection breed pool area is a 3.5-4.5 mu, the depth of water is 1.8-2.0 rice, 3 of waterwheel aerators are set, water body is to the sterilization of water body process before putting seedling, rich water, water body are thrown in the brilliant 240-260 kilogram of artificial seawater/mu, and depth of water is that 45-55cm is put seedling, putting the seedling temperature is 19-21 ℃, and putting the seedling amount is 30-33 ten thousand tails;
2) daily management: require that the pH value of water body remains 7.8-8.6 in the pond, water transparency is stabilized in 28-32cm, the water body dissolved oxygen is the 4-6 mg/litre, every day is according to the 5-7% of the prawn body weight feed of throwing something and feeding, culture under the nature, water temperature is identical with the second stage water temperature in the pond, and is long always to ripe under such condition.
The stage desalination cultivation method of described Penaeus Vannmei, it is characterized in that: described phase I is during desalination cultivation, the adding concentration that adds disodium ethylene diamine tetraacetate in one-level desalination pond is 3~3.5 gram/cubic meters, and it is 0.45-0.55 gram/cubic meter that chitin adds concentration.
The stage desalination cultivation method of described Penaeus Vannmei is characterized in that: requiring water temperature in the phase I desalination cultivation process is 29 ℃.
The stage desalination cultivation method of described Penaeus Vannmei, it is characterized in that: in the phase I desalination cultivation process, step 6) drops into Ve, Vc, three kinds of vitamins of Vb in the water body in one-level desalination pond, the amount that drops in every cubic metre of water body is respectively Ve:0.5 gram/cubic meter, Vc:1.0 gram/cubic meter, Vb:0.1 gram/cubic meter.
The stage desalination cultivation method of described Penaeus Vannmei is characterized in that: the phase III, the amount of throwing in the artificial seawater crystalline substance to water body was 250 kilograms/mu when culturing.
Beneficial effect of the present invention:
The present invention adopts the stage desalination cultivation method, having overcome Penaeus Vannmei causes osmotic pressure to change a dead difficult problem because of salinity changes, improved the survival rate of Penaeus Vannmei freshwater aquiculture, reduced feeding cost, for large tracts of land freshwater aquiculture Penaeus Vannmei provides a kind of low-cost cultural method, solve the not high difficult problem of survival rate of Penaeus Vannmei desalination cultivation, had important application value.
Embodiment
The stage desalination cultivation method of a kind of Penaeus Vannmei may further comprise the steps:
(1) choosing of the Penaeus Vannmei young: it is even to select size, and energetic, disease-free, as the not have wounded or disabled 0.5-0.6cm young requires nursery that the salinity of growing seedlings of the 0.5-0.6cm young is adjusted into 11-13 ‰;
(2) phase I desalination cultivation
1) at first selecting area is 20m
2Chi Shen is that the cement pit of 1.0m is desalinated the pond as one-level, strict sterilization is carried out in one-level desalination pond, then will be earlier with husky filter, cross in the water adding one-level desalination pond of filtration with 1~5 μ filter bag again, in water, add disodium ethylene diamine tetraacetate, chitin more successively, and faint inflation, again the pond salinity water is transferred to 12 ‰, 28 ℃~30 ℃ of pond water temperatures, illumination is controlled at 2000~20000 and reins in, and the adding concentration that adds disodium ethylene diamine tetraacetate in the pond is 3.2 gram/cubic meters, and it is 0.5 gram/cubic meter that chitin adds concentration;
2) water temperature of adjusting seedling shipping bags is consistent with the water temperature in one-level desalination pond;
3) young in the shipping bags is moved in the 200 mesh sieve thin,tough silk write by hand nets, in 180 milliliters of/cubic metre formalin solutions, soaked 50 seconds, taking-up is washed with clean water, move into then in the one-level desalination pond that step 1) handled, requirement, the depth of water in desalination pond is 50cm when beginning to put seedling, throws in the standard of 60,000 tails by every cube of water body and throws in the young;
4) time of phase I desalination is 8 days, keeps original salinity 12 ‰ in first day, adds fresh water later every day and makes pond salinity water every day light down 2 ‰, and terminal cistern salinity water keeps 3 ‰, and the depth of water is 0.8-1.2m;
5) bait feeding: in the phase I desalination process every day must in the pond, throw something and feed prawn slice, two kinds of feeds of fairy shrimp, wherein, prawn slice are thrown something and fed after 60~350 mesh sieve thin,tough silk are washed by rubbing with the hands, feeding volume is: 3-5 time/day, each 2.5 grams~4.0 gram/cubic meters, the fairy shrimp feeding volume is: 2-4 time/day, feeding volume is 1.2~2.5 gram/rice
3
6) drop into Ve, Vc, three kinds of vitamins of Vb every three days in the water body in one-level desalination pond, the amount that drops in every cubic metre of water body is respectively Ve:0.5 gram/cubic meter, Vc:1.0 gram/cubic meter, Vb:0.1 gram/cubic meter;
7) daily management: by an amount of bait throwing in, change water, keep an amount of algae, use effective microorganism preparation to make water quality keep good, requirement, the water body pH 7.8~8.6 that keeps one-level desalination pond, more than dissolved oxygen 4 mg/litre, below chemical oxygen consumption (COC) 5 mg/litre, below total ammonia nitrogen 0.5 mg/litre, below nitrous acid nitrogen 0.1 mg/litre, can not there be hydrogen sulphide to detect;
(3) second stage desalination cultivation
When prawn body length arrived the 1cm left and right sides, the phase I desalination cultivation finished, and enters the second stage desalination cultivation stage:
1) at first selecting area is 600-650m
2, the pond be deeply 1.5 meters soil property pond as secondary desalination cultivation pond, add fresh water in the Xiang Chiti, adjusting water salinity is 2 ‰, pond water temperature is 20-35 ℃, cultures under the nature;
2) with water body disinfection, rich water when depth of water is that 48-52cm begins to put seedling, is put seedling amount 500,000 tails;
3) the second stage desalination time is 15 days, and add 30 cubes in water preceding 5 day every day, the special-purpose 0# feed of the Penaeus Vannmei of throwing something and feeding, feeding volume is 50 grams/ten thousand tails, and add 40 cubes in water back 10 day every day, and the special-purpose 1# feed of the Penaeus Vannmei of throwing something and feeding, feeding volume is 70 grams/ten thousand tails, and finally keeping the depth of water is 1.3-1.5m;
4) daily management: daily management is carried out in the requirement according to the phase I;
(4) phase III cultures
After second stage was desalinated 15 days, the shrimp body is long to enter breed phase phase III to 2.5-3.5cm:
1) phase III selection breed pool area is a 3.5-4.5 mu, the depth of water is 1.8-2.1 rice, 3 of waterwheel aerators are set, water body is to the sterilization of water body process before putting seedling, rich water, water body are thrown in brilliant 250 kilograms/mu of artificial seawater, and depth of water is that 45-55cm is put seedling, putting the seedling temperature is 19-21 ℃, and putting the seedling amount is 30-33 ten thousand tails;
2) daily management: require that the pH value of water body remains 7.8-8.6 in the pond, water transparency is stabilized in 28-32cm, the water body dissolved oxygen is 5 mg/litre, every day is according to the 5-7% of the prawn body weight feed of throwing something and feeding, culture under the nature, water temperature is identical with the second stage water temperature in the pond, and is long always to ripe under such condition.
Claims (5)
1. stage desalination cultivation method of Penaeus Vannmei is characterized in that may further comprise the steps:
(1) choosing of the Penaeus Vannmei young: it is even to select size, and energetic, disease-free, as the not have wounded or disabled 0.5-0.6cm young requires nursery that the salinity of growing seedlings of the 0.5-0.6cm young is adjusted into 11-13 ‰;
(2) phase I desalination cultivation
1) at first selecting area is 15-20m
2Chi Shen is that 1 meter cement pit is desalinated the pond as one-level, strict sterilization is carried out in one-level desalination pond, to filter with husky earlier then, cross in the water adding one-level desalination pond of filtration with 1~5 μ filter bag again, in water, add disodium ethylene diamine tetraacetate, chitin more successively, and faint inflation, again the pond salinity water is transferred to 11-13 ‰, 28 ℃~30 ℃ of pond water temperatures, illumination is controlled at 2000~20000 and reins in;
2) water temperature of adjusting seedling shipping bags is consistent with the water temperature in one-level desalination pond;
3) young in the shipping bags is moved in the 200 mesh sieve thin,tough silk write by hand nets, in 180 milliliters of/cubic metre formalin solutions, soaked 50 seconds, taking-up is washed with clean water, move into then in the one-level desalination pond that step 1) handled, requirement, the depth of water in desalination pond is 45-50cm when beginning to put seedling, throws in the standard of 60,000 tails by every cube of water body and throws in the young;
4) time of phase I desalination is 8 days, keeps original salinity 12 ‰ in first day, adds fresh water later every day and makes pond salinity water every day light down 2 ‰, and terminal cistern salinity water keeps 3 ‰, and the depth of water is 0.8-1.0m;
5) bait feeding: in the phase I desalination process every day must in the pond, throw something and feed prawn slice, two kinds of feeds of fairy shrimp, wherein, prawn slice are thrown something and fed after 60~350 mesh sieve thin,tough silk are washed by rubbing with the hands, feeding volume is: 3-5 time/day, each 2.5 grams~4.0 gram/cubic meters, the fairy shrimp feeding volume is: 2-4 time/day, feeding volume is 1.2~2.5 gram/rice
3
6) drop into Ve, Vc, three kinds of vitamins of Vb every three days in the water body in one-level desalination pond, the amount that drops in every cubic metre of water body is respectively Ve:0.4-0.6 gram/cubic meter, Vc:0.8-1.2 gram/cubic meter, Vb:0.09-0.11 gram/cubic meter;
7) daily management: by an amount of bait throwing in, change water, keep an amount of algae, use effective microorganism preparation to make water quality keep good, requirement, the water body pH 7.8~8.6 that keeps one-level desalination pond, more than dissolved oxygen 4 mg/litre, below chemical oxygen consumption (COC) 5 mg/litre, below total ammonia nitrogen 0.5 mg/litre, below nitrous acid nitrogen 0.1 mg/litre, can not there be hydrogen sulphide to detect;
(2) second stage desalination cultivation
When prawn body length arrived the 1cm left and right sides, the phase I desalination cultivation finished, and enters the second stage desalination cultivation stage:
1) at first selecting area is 600-650m
2, the pond be deeply 1.5 meters soil property pond as secondary desalination cultivation pond, add fresh water in the Xiang Chiti, adjusting water salinity is 2 ‰, pond water temperature is 20-35 ℃, cultures under the nature;
2) with water body disinfection, rich water when depth of water is that 48-52cm begins to put seedling, is put seedling amount 45-55 ten thousand tails;
3) the second stage desalination time is 15 days, and add 30 cubes in water preceding 5 day every day, the special-purpose 0# feed of the Penaeus Vannmei of throwing something and feeding, feeding volume is 50 grams/ten thousand tails, and add 40 cubes in water back 10 day every day, and the special-purpose 1# feed of the Penaeus Vannmei of throwing something and feeding, feeding volume is 70 grams/ten thousand tails, and finally keeping the depth of water is 1.3-1.5m;
4) daily management: daily management is carried out in the requirement according to the phase I;
(3) phase III cultures
After second stage was desalinated 15 days, the shrimp body is long to enter breed phase phase III to 2.5-3.5cm:
1) phase III selection breed pool area is a 3.5-4.5 mu, the depth of water is 1.8-2.0 rice, 3 of waterwheel aerators are set, water body is to the sterilization of water body process before putting seedling, rich water, water body are thrown in the brilliant 240-260 kilogram of artificial seawater/mu, and depth of water is that 45-55cm is put seedling, putting the seedling temperature is 19-21 ℃, and putting the seedling amount is 30-33 ten thousand tails;
2) daily management: require that the pH value of water body remains 7.8-8.6 in the pond, water transparency is stabilized in 28-32cm, the water body dissolved oxygen is the 4-6 mg/litre, every day is according to the 5-7% of the prawn body weight feed of throwing something and feeding, culture under the nature, water temperature is identical with the second stage water temperature in the pond, and is long always to ripe under such condition.
2. the stage desalination cultivation method of Penaeus Vannmei according to claim 1, it is characterized in that: described phase I is during desalination cultivation, the adding concentration that adds disodium ethylene diamine tetraacetate in one-level desalination pond is 3~3.5 gram/cubic meters, and it is 0.45-0.55 gram/cubic meter that chitin adds concentration.
3. the stage desalination cultivation method of Penaeus Vannmei according to claim 1 is characterized in that: requiring water temperature in the phase I desalination cultivation process is 29 ℃.
4. the stage desalination cultivation method of Penaeus Vannmei according to claim 1, it is characterized in that: in the phase I desalination cultivation process, step 6) drops into Ve, Vc, three kinds of vitamins of Vb in the water body in one-level desalination pond, the amount that drops in every cubic metre of water body is respectively Ve:0.5 gram/cubic meter, Vc:1.0 gram/cubic meter, Vb:0.1 gram/cubic meter.
5. the stage desalination cultivation method of Penaeus Vannmei according to claim 1 is characterized in that: the phase III, the amount of throwing in the artificial seawater crystalline substance to water body was 250 kilograms/mu when culturing.
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CN102960273A (en) * | 2012-11-16 | 2013-03-13 | 中国水产科学研究院淡水渔业研究中心 | Method for cultivating highly-healthy young penaeus vannamei |
CN103070115A (en) * | 2013-01-20 | 2013-05-01 | 杨成胜 | Organic grass carp segmented culture method |
CN103109759A (en) * | 2013-01-28 | 2013-05-22 | 隆昌田园水产养殖有限公司 | Freshwater aquaculture method of litopenaeus vannamei |
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CN103843703A (en) * | 2013-12-30 | 2014-06-11 | 浙江省海洋开发研究院 | Penaeus vannamei boone low-salinity culturing method |
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CN103070115A (en) * | 2013-01-20 | 2013-05-01 | 杨成胜 | Organic grass carp segmented culture method |
CN103070115B (en) * | 2013-01-20 | 2016-03-30 | 杨成胜 | A kind of organic grass carp segmentation cultural method |
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