CN102119675A - Method for cultivating portunus pelagicus - Google Patents
Method for cultivating portunus pelagicus Download PDFInfo
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- CN102119675A CN102119675A CN2010106221033A CN201010622103A CN102119675A CN 102119675 A CN102119675 A CN 102119675A CN 2010106221033 A CN2010106221033 A CN 2010106221033A CN 201010622103 A CN201010622103 A CN 201010622103A CN 102119675 A CN102119675 A CN 102119675A
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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 provides a method for cultivating portunus pelagicus, comprising the following steps of: selecting a culture pond with a water charging and draining system, dredging and drying the pond, charging water and disinfecting, charging water and performing pond fertilization, keeping the transparency of the water, transporting the juvenile portunus pelagicus to a culturing zone; after the juvenile crabs are adapted to the water body of the culture pond, distributing 1000-5000 crabs per mu; during the period of cultivating, controlling the concentration of dissolved oxygen not less than 4mg/L, ammonia nitrogen concentration not greater than 2mg/L and the nitrogen concentration of nitrite not greater than 5mg/L through exchanging the water in the cultivating pond or starting an oxygen charger; controlling other environment factors: controlling pH value at 6-9, salinity at 10-50 and temperature at 16-35 DEG C; feeding young crabs with frozen fresh small trash fish or low-value shellfish, live low value shellfish and artificial compound feed, wherein the daily feeding amount is 8-20% of the crab weight for young crabs with the weight below 10 grams, the daily feeding amount is 5-10% of the crab weight for crabs with weight between 10 gram sand 15 grams; the daily feeding amount is 3-8% of the crab weight for the crabs with weight above 15 gram; feeding 3 times per day with small feeding amount in morning and large feeding amount in evening; according to the size of the crab bodies, adding anti-killing appliances in the cultivating pond to improve the shell success rate, thereby improving the cultivating survival rate; fishing the crabs for sale when the weight of the crabs is more than 80 grams. The method disclosed by the invention improves the survival rate of the portunus pelagicus, improves the cultivating output and commercial crab standard, shortens the cultivating period to the greatest extent and improves the cultivating benefit of the portunus pelagicus.
Description
Technical field
The invention belongs to aquaculture field, be specifically related to the method that a kind of off-lying sea swimming crab is cultured.
Background technology
The off-lying sea swimming crab is individual big, the wide 11～15cm of first, body weight 60～150g; The wide 18.6cm of the individual first of male maximum is more than the body weight 420g; The wide 18.7cm of the individual first of female maximum is more than the body weight 440g; World's year amount of fishing reaches 30,000 tons, is the world's ten large economy crab classes.The off-lying sea swimming crab is distributed in East China Sea south, the South Sea, the coastal torrid zone, the marine sites, subtropics of state such as India, Burma, Pakistan, Bangladesh, Malaysia, Vietnam and Australia.The off-lying sea swimming crab is the main crab class that Australia produces soft crab, also is one of the four large economy crab classes of suitable breed of Western Pacific-Indian Ocean.Because various countries strengthen amount of fishing in recent years, off-lying sea swimming crab stock number sharply descends, but quantity of the catch sharply reduce, now become the crab class that exploitation is cultured by Australia, Philippine, Malaysian emphasis.The a lot of prawn culturing persons of China have begun the off-lying sea swimming crab seed that utilizes the field to catch, try to support.
Summary of the invention
The purpose of this invention is to provide the method that a kind of off-lying sea swimming crab is cultured, by reasonable cloth seedling, optimize different young crabs and culture the phase bait feeding, envirment factors such as temperature, salinity, pH value, dissolved oxygen, ammonia nitrogen, nitrite nitrogen are cultured in control, effectively anti-cannibalisation improves off-lying sea swimming crab survival rate, improves cultured output and commodity crab specification, shorten the culture-cycle as far as possible, improve off-lying sea swimming crab culture benefit.
The present invention includes following steps: culture pool area 1-20 mu, depth of water 1.5-2.5 rice has good culvert system.Desilting, shine the pool after, water inlet 0.5-1.5 rice, with the sterilization of cleaning up the pond of bleaching powder or tea bran or lime, treat that Chi Shui is nontoxic after, water inlet 1.5-2.5 rice is sent out the pool, the maintenance water transparency is less than 40 centimetres; Off-lying sea shuttle juvenile crab is transported to the culture zone, and after juvenile crab adapted to the processing of culturing pool body, every mu of cloth seedling 1000-5000 only; During the breed, by exchanging the culturing pool body or opening aerating machine control dissolved oxygen 〉=4mg/L, ammonia nitrogen concentration≤2mg/L, nitrite nitrogen concentration≤5mg/L; Other envirment factor is controlled at pH value 6-9, salinity 10-50, temperature 16-35 ℃; With ice bright small fish or low value shellfish, live low value shellfish and artifical compound feed are thrown something and fed young crab; The following young crab of 10 grams, daily ration of feeding is the 8-20% of crab body weight; 10-15 restrains crab, and daily ration of feeding is the 5-10% of crab body weight; The above crab of 15 grams, daily ration of feeding is the 3-8% of crab body weight; Bait throwing in every day 3 times, it is many early to lack evening; According to the size of crab body, culturing the anti-cannibalisation of interpolation facility in the pond, improve the shell success rate, thereby improve the breed survival rate; The crab body weight reaches more than 100 grams, can fish for listing.
The present invention improves off-lying sea swimming crab survival rate, improves cultured output and commodity crab specification, shortens the culture-cycle as far as possible, improves off-lying sea swimming crab culture benefit.
Embodiment
Embodiment 1
(1) culture 1 mu of pool area, 1.5 meters of the depth of waters have good culvert system.
(2) desilting, shine the pool after, intake 0.5 meter, with the lime sterilization of cleaning up the pond.
(3) treat that Chi Shui is nontoxic after, water inlet is sent out the pools to 1.5 meters, keeps water transparency less than 40 centimetres.
(4) off-lying sea shuttle juvenile crab is transported to the culture zone, after juvenile crab adapts to the culturing pool body and handles, 1000 of every mu of cloth seedlings.
(5) during the breed, by exchanging the culturing pool body or opening aerating machine control dissolved oxygen 〉=5mg/L, ammonia nitrogen concentration≤1mg/L, nitrite nitrogen concentration≤2mg/L.Other envirment factor is a pH value 9, salinity 10,27 ℃ of temperature.
(6) with ice bright small fish, live low value shellfish and artifical compound feed are thrown something and fed young crab.The following young crab of 10 grams, daily ration of feeding is 8% of a crab body weight; 10-15 restrains crab, and daily ration of feeding is 5% of a crab body weight; The above crab of 15 grams, daily ration of feeding is 3% of a crab body weight.Bait throwing in every day 3 times, it is many early to lack evening.
(7) according to the size of crab body, culturing the anti-cannibalisation of interpolation facility in the pond, improve the shell success rate, thereby improve the breed survival rate.
(8) the crab body weight reaches more than 100 grams, can fish for listing.
Embodiment 2
(1) culture 10 mu of pool areas, 2.5 meters of the depth of waters have good culvert system.
(2) desilting, shine the pool after, intake 1.5 meters, with the bleaching powder sterilization of cleaning up the pond.
(3) treat that Chi Shui is nontoxic after, water inlet is sent out the pools to 2.5 meters, keeps water transparency less than 40 centimetres.
(4) off-lying sea shuttle juvenile crab is transported to the culture zone, after juvenile crab adapts to the culturing pool body and handles, 5000 of every mu of cloth seedlings.
(5) during the breed, by exchanging the culturing pool body or opening aerating machine control dissolved oxygen 〉=4mg/L, ammonia nitrogen concentration≤2mg/L, nitrite nitrogen concentration≤5mg/L.Other envirment factor is a pH value 6, salinity 50,16 ℃ of temperature.
(6) with ice bright low value shellfish, live low value shellfish and artifical compound feed are thrown something and fed young crab.The following young crab of 10 grams, daily ration of feeding is 20% of a crab body weight; 15 gram crabs, daily ration of feeding is 10% of a crab body weight; The above crab of 15 grams, daily ration of feeding is 8% of a crab body weight.Bait throwing in every day 3 times, it is many early to lack evening.
(7) according to the size of crab body, culturing the anti-cannibalisation of interpolation facility in the pond, improve the shell success rate, thereby improve the breed survival rate.
(8) the crab body weight reaches more than 80 grams, can fish for listing.
Embodiment 3
(1) culture 20 mu of pool areas, 2.0 meters of the depth of waters have good culvert system.
(2) desilting, shine the pool after, intake 2.0 meters, with the sterilization of cleaning up the pond of tea bran.
(3) treat that Chi Shui is nontoxic after, water inlet is sent out the pools to 2.0 meters, keeps water transparency less than 40 centimetres.
(4) off-lying sea shuttle juvenile crab is transported to the culture zone, after juvenile crab adapts to the culturing pool body and handles, 4000 of every mu of cloth seedlings.
(5) during the breed, by exchanging the culturing pool body or opening aerating machine control dissolved oxygen 〉=4mg/L, ammonia nitrogen concentration≤2mg/L, nitrite nitrogen concentration≤5mg/L.Other envirment factor is a pH value 8, salinity 30,25 ℃ of temperature.
(6) with ice bright small fish and low value shellfish, live low value shellfish and artifical compound feed are thrown something and fed young crab.The following young crab of 10 grams, daily ration of feeding is 10% of a crab body weight; 10-15 restrains crab, and daily ration of feeding is 8% of a crab body weight; The above crab of 15 grams, daily ration of feeding is 5% of a crab body weight.Bait throwing in every day 3 times, it is many early to lack evening.
(7) according to the size of crab body, culturing the anti-cannibalisation of interpolation facility in the pond, improve the shell success rate, thereby improve the breed survival rate.
(8) the crab body weight reaches more than 100 grams, can fish for listing.
Embodiment 4
(1) culture 8 mu of pool areas, 1.5 meters of the depth of waters have good culvert system.
(2) desilting, shine the pool after, intake 0.5 meter, with the sterilization of cleaning up the pond of tea bran.
(3) treat that Chi Shui is nontoxic after, water inlet is sent out the pools to 1.5 meters, keeps water transparency less than 40 centimetres.
(4) off-lying sea shuttle juvenile crab is transported to the culture zone, after juvenile crab adapts to the culturing pool body and handles, 2000 of every mu of cloth seedlings.
(5) during the breed, by exchanging the culturing pool body or opening aerating machine control dissolved oxygen 〉=4mg/L, ammonia nitrogen concentration≤1.5mg/L, nitrite nitrogen concentration≤2mg/L.Other envirment factor is a pH value 7.9, salinity 25,30 ℃ of temperature.
(6) with ice bright small fish and low value shellfish, live low value shellfish and artifical compound feed are thrown something and fed young crab.The following young crab of 10 grams, daily ration of feeding is 12% of a crab body weight; 10-15 restrains crab, and daily ration of feeding is 7% of a crab body weight; The above crab of 15 grams, daily ration of feeding is 6% of a crab body weight.Bait throwing in every day 3 times, it is many early to lack evening.
(7) according to the size of crab body, culturing the anti-cannibalisation of interpolation facility in the pond, improve the shell success rate, thereby improve the breed survival rate.
(8) the crab body weight reaches more than 100 grams, can fish for listing.
Embodiment 5
(1) culture 15 mu of pool areas, 2.5 meters of the depth of waters have good culvert system.
(2) desilting, shine the pool after, intake 1.0 meters, with the sterilization of cleaning up the pond of bleaching powder or tea bran or lime.
(3) treat that Chi Shui is nontoxic after, water inlet is sent out the pools to 2.0 meters, keeps water transparency less than 40 centimetres.
(4) off-lying sea shuttle juvenile crab is transported to the culture zone, after juvenile crab adapts to the culturing pool body and handles, 3500 of every mu of cloth seedlings.
(5) during the breed, by exchanging the culturing pool body or opening aerating machine control dissolved oxygen 〉=4mg/L, ammonia nitrogen concentration≤2mg/L, nitrite nitrogen concentration≤5mg/L.Other envirment factor is a pH value 8.8, salinity 32,32 ℃ of temperature.
(6) with live low value shellfish and the artifical compound feed young crab of throwing something and feeding.The following young crab of 10 grams, daily ration of feeding is 9% of a crab body weight; 10-15 restrains crab, and daily ration of feeding is 7% of a crab body weight; The above crab of 15 grams, daily ration of feeding is 4% of a crab body weight.Bait throwing in every day 3 times, it is many early to lack evening.
(7) according to the size of crab body, culturing the anti-cannibalisation of interpolation facility in the pond, improve the shell success rate, thereby improve the breed survival rate.
(8) the crab body weight reaches more than 80 grams, can fish for listing.
Embodiment 6
(1) culture pool area 1-10 mu, 1.8 meters of the depth of waters have good culvert system.
(2) desilting, shine the pool after, intake 0.6 meter, with the sterilization of cleaning up the pond of bleaching powder or tea bran or lime.
(3) treat that Chi Shui is nontoxic after, water inlet is sent out the pools to 1.8 meters, keeps water transparency less than 40 centimetres.
(4) off-lying sea shuttle juvenile crab is transported to the culture zone, after juvenile crab adapts to the culturing pool body and handles, 1800 of every mu of cloth seedlings.
(5) during the breed, by exchanging the culturing pool body or opening aerating machine control dissolved oxygen 〉=4mg/L, ammonia nitrogen concentration≤2mg/L, nitrite nitrogen concentration≤5mg/L.Other envirment factor is a pH value 8.5, salinity 20,18 ℃ of temperature.
(6) with ice bright small fish and low value shellfish, live low value shellfish and artifical compound feed are thrown something and fed young crab.The following young crab of 10 grams, daily ration of feeding is 8% of a crab body weight; 10-15 restrains crab, and daily ration of feeding is 5% of a crab body weight; The above crab of 15 grams, daily ration of feeding is 3% of a crab body weight.Bait throwing in every day 3 times, it is many early to lack evening.
(7) according to the size of crab body, culturing the anti-cannibalisation of interpolation facility in the pond, improve the shell success rate, thereby improve the breed survival rate.
(8) the crab body weight reaches more than 100 grams, can fish for listing.
Claims (1)
1. the method that the off-lying sea swimming crab is cultured is characterized in that comprising the steps: to culture pool area 1-20 mu, and depth of water 1.5-2.5 rice has good culvert system; Desilting, shine the pool after, water inlet 0.5-1.5 rice, with the sterilization of cleaning up the pond of bleaching powder or tea bran or lime, treat that Chi Shui is nontoxic after, water inlet 1.5-2.5 rice is sent out the pool, the maintenance water transparency is less than 40 centimetres; Off-lying sea shuttle juvenile crab is transported to the culture zone, and after juvenile crab adapted to the processing of culturing pool body, every mu of cloth seedling 1000-5000 only; During the breed, by exchanging the culturing pool body or opening aerating machine control dissolved oxygen 〉=4mg/L, ammonia nitrogen concentration≤2mg/L, nitrite nitrogen concentration≤5mg/L; Other envirment factor is controlled at pH value 6-9, salinity 10-50, temperature 16-35 ℃; With ice bright small fish or low value shellfish, live low value shellfish and artifical compound feed are thrown something and fed young crab; The following young crab of 10 grams, daily ration of feeding is the 8-20% of crab body weight; 10-15 restrains crab, and daily ration of feeding is the 5-10% of crab body weight; The above crab of 15 grams, daily ration of feeding is the 3-8% of crab body weight; Bait throwing in every day 3 times, it is many early to lack evening; According to the size of crab body, culturing the anti-cannibalisation of interpolation facility in the pond, improve the shell success rate, thereby improve the breed survival rate; The crab body weight reaches more than 80 grams, can fish for listing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010106221033A CN102119675A (en) | 2010-12-30 | 2010-12-30 | Method for cultivating portunus pelagicus |
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| CN2010106221033A CN102119675A (en) | 2010-12-30 | 2010-12-30 | Method for cultivating portunus pelagicus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102893939A (en) * | 2012-11-15 | 2013-01-30 | 中国科学院东北地理与农业生态研究所 | Method for breeding river crabs by utilizing subsiding water in saline-alkali land rice field |
| CN103651200A (en) * | 2013-12-04 | 2014-03-26 | 北海市振发海洋产业科技有限公司 | Juvenile crab cultivating method for high-sea swimming crabs |
| CN103651199A (en) * | 2013-12-04 | 2014-03-26 | 北海市振发海洋产业科技有限公司 | Cultivating method for juvenile crabs of high-sea swimming crabs |
| CN103843704A (en) * | 2013-12-30 | 2014-06-11 | 浙江省海洋开发研究院 | Method for cultivating young portunid |
| CN103843976A (en) * | 2013-12-23 | 2014-06-11 | 浙江省海洋开发研究院 | Method for promoting cream breeding of female portunus trituberculatus |
| CN106922597A (en) * | 2017-04-18 | 2017-07-07 | 浙江海洋大学 | Swimming crab high-yield cultivation method based on things concealed facility |
| CN109997749A (en) * | 2019-04-04 | 2019-07-12 | 北部湾大学 | Control the method that nitrite nitrogen improves Eriocheir hepuensis circulating water cultivation survival rate |
| CN110012967A (en) * | 2019-05-29 | 2019-07-16 | 适君海产品养殖(湛江)有限公司 | Improve the feed combinations and preparation method thereof of blue Sea crab survival rate |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102893939A (en) * | 2012-11-15 | 2013-01-30 | 中国科学院东北地理与农业生态研究所 | Method for breeding river crabs by utilizing subsiding water in saline-alkali land rice field |
| CN103651200A (en) * | 2013-12-04 | 2014-03-26 | 北海市振发海洋产业科技有限公司 | Juvenile crab cultivating method for high-sea swimming crabs |
| CN103651199A (en) * | 2013-12-04 | 2014-03-26 | 北海市振发海洋产业科技有限公司 | Cultivating method for juvenile crabs of high-sea swimming crabs |
| CN103651199B (en) * | 2013-12-04 | 2016-03-16 | 北海市振发海洋产业科技有限公司 | The cultural method of a kind of Portunus pelagicus young |
| CN103843976A (en) * | 2013-12-23 | 2014-06-11 | 浙江省海洋开发研究院 | Method for promoting cream breeding of female portunus trituberculatus |
| CN103843976B (en) * | 2013-12-23 | 2015-08-12 | 浙江省海洋开发研究院 | A kind of method promoting the female physical culture cream of Portunus trituberculatus Miers |
| CN103843704A (en) * | 2013-12-30 | 2014-06-11 | 浙江省海洋开发研究院 | Method for cultivating young portunid |
| CN103843704B (en) * | 2013-12-30 | 2015-12-30 | 浙江省海洋开发研究院 | A kind of method of swimming crab nursery |
| CN106922597A (en) * | 2017-04-18 | 2017-07-07 | 浙江海洋大学 | Swimming crab high-yield cultivation method based on things concealed facility |
| CN106922597B (en) * | 2017-04-18 | 2022-12-20 | 浙江海洋大学 | High-yield swimming crab breeding method based on concealed object facility |
| CN109997749A (en) * | 2019-04-04 | 2019-07-12 | 北部湾大学 | Control the method that nitrite nitrogen improves Eriocheir hepuensis circulating water cultivation survival rate |
| CN110012967A (en) * | 2019-05-29 | 2019-07-16 | 适君海产品养殖(湛江)有限公司 | Improve the feed combinations and preparation method thereof of blue Sea crab survival rate |
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Application publication date: 20110713 |