CN102165925B - Staged desalinization culturing method for penaeus vannamei boone - Google Patents
Staged desalinization culturing method for penaeus vannamei boone Download PDFInfo
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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
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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 a kind of staged desalinization culturing method for penaeus vannamei boone.
Background technology
The white leg Shrimp seedling is the main shrimps kind of present China cultivation, but it is in the process of freshwater aquiculture, because desalination mode and technology mode are unreasonable, so that its survival rate is lower, 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 a kind of staged desalinization culturing method for penaeus vannamei boone.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:
A kind of staged desalinization culturing method for penaeus vannamei boone is characterized in that may further comprise the steps:
(1) choosing of larvae of Penaeus vannamei: select size even, the young of the 0.5-0.6cm energetic, disease-free, that nothing is wounded or disabled 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, then will cross in the water adding one-level desalination pond of filtration with 1～5 μ filter bag more first with husky filter, in water, add successively disodium ethylene diamine tetraacetate, chitin again, 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 strangles;
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 fishing nets, in 180 milliliters of/cubic metre formalin solutions, soaked 50 seconds, taking-up is washed with clean water, then move into step 1) in the one-level the processed desalination pond, 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, and first day keeps original salinity 12 ‰, adds fresh water later every day so that pond salinity water every day is light lower 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 throw something and feed in the pond 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 times/day, each 2.5 grams～4.0 grams/cubic meter, the fairy shrimp feeding volume is: 2-4 times/day, feeding volume is 1.2～2.5 grams/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 deeply be 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 ℃, cultivates 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, add 30 cubes in water front 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, add 40 cubes in water rear 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, 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 cultivation
After second stage was desalinated 15 days, the shrimp body is long to enter cultivation phase phase III to 2.5-3.5cm:
1) phase III selection culturing pool area is 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 brilliant 240-260 kg/acre 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, Dissolved Oxygen in Water 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, cultivate under the nature, water temperature is identical with the second stage water temperature in the pond, and is always long to ripe under such condition.
Described staged desalinization culturing method for penaeus vannamei boone, it is characterized in that: described phase I is during desalination cultivation, desalinating the adding concentration that adds disodium ethylene diamine tetraacetate in the pond to one-level is 3～3.5 grams/cubic meter, and it is that 0.45-0.55 restrains/cubic meter that chitin adds concentration.
Described staged desalinization culturing method for penaeus vannamei boone is characterized in that: requiring water temperature in the phase I desalination cultivation process is 29 ℃.
Described staged desalinization culturing method for penaeus vannamei boone, it is characterized in that: in the phase I desalination cultivation process, step 6) in the water body in one-level desalination pond, drops into Ve, Vc, three kinds of vitamins of Vb, 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.
Described staged desalinization culturing method for penaeus vannamei boone is characterized in that: the phase III, the amount of throwing in the artificial seawater crystalline substance to water body was 250 kg/acres when cultivating.
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 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 actual application value.
Embodiment
A kind of staged desalinization culturing method for penaeus vannamei boone may further comprise the steps:
(1) choosing of larvae of Penaeus vannamei: select size even, the young of the 0.5-0.6cm energetic, disease-free, that nothing is wounded or disabled 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 first with husky filter, cross in the water adding one-level desalination pond of filtration with 1～5 μ filter bag again, in water, add successively disodium ethylene diamine tetraacetate, chitin again, 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 strangles, and the adding concentration that adds disodium ethylene diamine tetraacetate in the pond is 3.2 grams/cubic meter, 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 fishing nets, in 180 milliliters of/cubic metre formalin solutions, soaked 50 seconds, taking-up is washed with clean water, then move into step 1) in the one-level the processed desalination pond, 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, and first day keeps original salinity 12 ‰, adds fresh water later every day so that pond salinity water every day is light lower 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 throw something and feed in the pond 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 times/day, each 2.5 grams～4.0 grams/cubic meter, the fairy shrimp feeding volume is: 2-4 times/day, feeding volume is 1.2～2.5 grams/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 deeply be 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 ℃, cultivates 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, add 30 cubes in water front 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, add 40 cubes in water rear 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, 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 cultivation
After second stage was desalinated 15 days, the shrimp body is long to enter cultivation phase phase III to 2.5-3.5cm:
1) phase III selection culturing pool area is 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 kg/acres 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, Dissolved Oxygen in Water is 5 mg/litre, every day is according to the 5-7% of the prawn body weight feed of throwing something and feeding, cultivate under the nature, water temperature is identical with the second stage water temperature in the pond, and is always long to ripe under such condition.
Claims (5)
1. staged desalinization culturing method for penaeus vannamei boone is characterized in that may further comprise the steps:
(1) choosing of larvae of Penaeus vannamei: select size even, the young of the 0.5-0.6cm energetic, disease-free, that nothing is wounded or disabled 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 15-20 m
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, then will cross in the water adding one-level desalination pond of filtration with 1～5 μ filter bag more first with husky filter, in water, add successively disodium ethylene diamine tetraacetate, chitin again, 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 strangles;
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 fishing nets, in 180 milliliters of/cubic metre formalin solutions, soaked 50 seconds, taking-up is washed with clean water, then move in the one-level desalination pond that step 1) processed, the depth of water in desalination pond was 45-50cm when requirement began to put seedling, threw in the standard of 60,000 tails by every cube of water body and threw in the young;
4) time of phase I desalination is 8 days, and first day keeps original salinity 12 ‰, adds fresh water later every day so that pond salinity water every day is light lower 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 throw something and feed in the pond 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 times/day, each 2.5 grams～4.0 grams/cubic meter, the fairy shrimp feeding volume is: 2-4 times/day, feeding volume is 1.2～2.5 grams/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 600-650 m
2, the pond deeply be 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 ℃, cultivates 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 front 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 rear 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 cultivation
After second stage was desalinated 15 days, the shrimp body is long to enter cultivation phase phase III to 2.5-3.5cm:
1) phase III selection culturing pool area is 3.5-4.5 mu, the depth of water is 1.8-2.0 rice, 3 of waterwheel aerators are set, water body is through sterilization before putting seedling, rich water, water body are thrown in brilliant 240-260 kg/acre 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, Dissolved Oxygen in Water 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, cultivate under the nature, water temperature is identical with the second stage water temperature in the pond, and is always long to ripe under such condition.
2. staged desalinization culturing method for penaeus vannamei boone according to claim 1, it is characterized in that: described phase I is during desalination cultivation, desalinating the adding concentration that adds disodium ethylene diamine tetraacetate in the pond to one-level is 3～3.5 grams/cubic meter, and it is that 0.45-0.55 restrains/cubic meter that chitin adds concentration.
3. staged desalinization culturing method for penaeus vannamei boone according to claim 1, it is characterized in that: requiring water temperature in the phase I desalination cultivation process is 29 ℃.
4. staged desalinization culturing method for penaeus vannamei boone 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. staged desalinization culturing method for penaeus vannamei boone according to claim 1 is characterized in that: during the phase III cultivation, the amount of throwing in the artificial seawater crystalline substance to water body is 250 kg/acres.
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