CN104145859A

CN104145859A - Hairy crab breeding method

Info

Publication number: CN104145859A
Application number: CN201410362596.XA
Authority: CN
Inventors: 浦建洪; 邱奇元
Original assignee: SUZHOU CITY XINJING VILLAGE AGRICULTURAL BASE SPECIALTY COOPERATIVES
Current assignee: SUZHOU CITY XINJING VILLAGE AGRICULTURAL BASE SPECIALTY COOPERATIVES
Priority date: 2014-07-28
Filing date: 2014-07-28
Publication date: 2014-11-19

Abstract

The invention relates to breeding of aquatic products and discloses a hairy crab breeding method. The hairy crab breeding method includes steps of removing silt in a crab breeding pool; controlling a slope angle of a bank of the crab breeding pool within 45-60 degrees; stacking a plurality of mounds in the pool, and controlling the slope angle of each mound within 45-60 degrees; dissolving quick lime to spray to the pool; cleaning the pool by clean water after 3-5 days and drying the pool for 3-5 days; injecting water into the dried pool and planting water plants in the pool by coverage rate of 50-60%, and throwing sea snails or clams into the pool; setting anti-escape wall around the pool; throwing 300-400 young hairy crabs per mu into the pool when the water plants flourish and water is clear in February or March; feeding at nine in the morning and 5 in the afternoon every day, increasing feed amount in the autumn and decreasing the feed amount in winter. The hairy crabs bred are more like wildly bred crabs, delicious and nutrient rich.

Description

The cultural method of steamed crab

Technical field

The present invention relates to aquaculture field, be specifically related to the cultural method of steamed crab.

Background technology

Steamed crab is the cuisines that people like, not only tasty mouthfeel but also nutritive value are very high, steamed crab is various in style at present, persons sponging on an aristocrat like wild steamed crab mostly, because wild steamed crab mouthfeel is better, nutritive value is higher, but wild steamed crab price is higher, and negligible amounts, cannot meet a numerous person sponging on an aristocrats' demand, how to cultivate out the steamed crab that approaches wild mouthfeel and nutritive value and always be the target that crab agricultures are pursued.

Summary of the invention

Goal of the invention: the invention provides a kind of cultural method of steamed crab, make the mouthfeel of the steamed crab that cultivates out in this way and nutritive value all very approach wild steamed crab.

Technical scheme: the cultural method of steamed crab of the present invention, comprises following steps: remove the mud in pond; Control the slope angle of supporting bank, crab pond at 45 °～60 °; In pond, pile multiple mounds, wherein, the slope angle of multiple mounds is also all controlled at 45 °～60 °; After being dissolved, quicklime splashes to whole pond; After 3～5 days, rinse the Hou Shai pool, pond 3～5 days with clear water; To water filling in the pond of having shone; In pond, plant pasture and water, make the pasture and water coverage rate in whole pond 50%～60%, throw in appropriate snail or freshwater mussel simultaneously; Use rigid plastics that the anti-enclosure wall of escaping is set around pond; Between 2～March, luxuriant in pasture and water, under the limpid prerequisite of water quality, in pond, throw in steamed crab seedling with the amount of 300～400 every mu; Every morning 9 is selected feeding forage or cereal, and select feeding freshwater mussel meat or spiral shell meat afternoon 5, strengthens feeding amount autumn, reduces feeding amount winter, and water temperature is at 5 degrees Celsius of feedings not below.

The consumption of quicklime is 160～200 kilograms every mu, to ensure that whole pond is by thorough disinfection.

In order to ensure the living environment of steamed crab, must ensure has water in pond always, controls pond in the whole year in the most arid season in the present invention, and depth of water bosom also must not be lower than 2 meters.

Described pasture and water are duckweed, Azolla imbricata, hornwort, water lettuce and/or water peanut.

Operation principle: in control of the present invention pond slope angle and the pool, the slope angle of each mound is within the scope of 45 °～60 °, being convenient to steamed crab burrows, because steamed crab generally can be burrowed near the steeper bank of the gradient or mound, the object that the present invention controls is like this manually to make the natural living environment that more approaches steamed crab; Splash whole pond for to pond disinfection with quicklime, in the pool, plant pasture and water and input snail or freshwater mussel and can provide vegetation foodstuff and animal food for steamed crab; Be the growth busy season of steamed crab autumn, a large amount of feedings to help its growth, and winter temperature is lower, and steamed crab activity is less even unmovable, poor growth, on a small quantity not even feeding of feeding.

Beneficial effect: because the cultural method of steamed crab in the present invention is simulated the self-sow environment of steamed crab as far as possible, cultivation steamed crab out approaches wild steamed crab more, and mouthfeel is more delicious, and nutrition is abundanter.

Embodiment

Embodiment 1:

Step 1: the water in pond is drained, the mud in the pool is cleaned out, leave at most the mud of 10cm left and right;

Step 2: control the slope angle on bank, pond within the scope of 45 °, because steamed crab is liked living in caves, burrowing is their instinct, and steamed crab generally can be burrowed in the steeper place of the gradient, therefore, in the present embodiment, the slope angle on bank, manual control pond is in steeper scope.

Step 3: in order to make steamed crab have more place can select to burrow, multiple mounds can also be artificially set in pond, the slope angle of these mounds is also all controlled within the scope of 60 °;

Step 4: be ready to behind the pond and mound of the suitable gradient, will carry out disinfection to whole pond, use the quicklime of 160 kilograms every mu to carry out disinfection to it, after can first quicklime being dissolved, splash to full pond, quicklime can kill harmful animal on the one hand, another conveniently can improve pool bottom environment, for pond provides a large amount of calcium ions, promotes steamed crab shelling growth;

Step 5: sterilize and rinse whole pond with clear water after 3 days, further remove bacterium in pond; See afterwards weather at that time, general fine day shines the pool 5 days;

Step 6: can be to water filling in the pool behind the solarization pool, the standard of water filling must not be advisable lower than 2 meters with the most arid depth of water in season bosom in the whole year, pond;

Step 7: plant pasture and water and snail or bivalves in pond, pasture and water can be one or more in duckweed, Azolla imbricata, hornwort, water lettuce or water peanut, these pasture and water can provide plant food materials for steamed crab on the one hand, also be that steamed crab is perched and hides the main place of harmful animal on the other hand, the cultured area of pasture and water generally will cover 50% of whole pond; Snail and bivalves can purify water on the one hand, on the other hand can also be for steamed crab provides meat food materials, and attention snail and bivalves will be thrown in right amount, must not be too much, so meat and vegetables collocation is more conducive to the healthy growth of steamed crab;

Step 8: above-mentioned preparation will arrange on bank, pond after all carrying out prevents escaping enclosure wall, generally fences up with rigid plastics;

Step 9: by the time 2～March pasture and water luxuriant, water quality is limpid, water temperature just can be rendered to steamed crab seedling in pond and cultivate when suitable, the seedling injected volume of steamed crab is 300/mu, throw in and easily cause too much anoxic, survival rate reduces, and easily cause water pollution in the pool, throw in and can cause very little the wasting of resources;

Step 10: throw in seedling morning and evening every day feeding afterwards, select left and right feeding plant foodstuff morning general 9,5 select left and right feeding meat foodstuff at dusk, meat and vegetables collocation, should also be noted that be the growth busy season of steamed crab autumn, strengthen feeding amount, winter temperature is lower, steamed crab activity is little, can reduce feeding, water temperature feeding not below 5 ° time.

Embodiment 2:

Step 2: control the slope angle on bank, pond within the scope of 55 °.

Step 3: multiple slope angles are artificially set in pond are the mound of 45 °;

Step 4: use the quicklime of 180 kilograms every mu to carry out disinfection to whole pond, splash again to full pond after can first quicklime being dissolved;

Step 5: sterilize and rinse whole pond with clear water after 4 days, shine afterwards the pool 5 days;

Step 7: plant pasture and water and snail or bivalves in pond, pasture and water can be one or more in duckweed, Azolla imbricata, hornwort, water lettuce or water peanut, and the cultured area of pasture and water covers 55% of whole pond; Attention snail and bivalves will be thrown in right amount;

Step 9: by the time 2～March pasture and water luxuriant, water quality is limpid, water temperature just can be rendered to steamed crab seedling in pond and cultivate when suitable, the seedling injected volume of steamed crab is 350/mu;

Step 10: throw in after seedling the every day of feeding sooner or later, select left and right feeding plant foodstuff morning general 9,5 select left and right feeding meat foodstuff at dusk, should also be noted that and will strengthen feeding amount autumn, reduce feeding amount winter, water temperature feeding not below 5 ° time.

Embodiment 3:

Step 2: control the slope angle on bank, pond within the scope of 60 °.

Step 3: multiple slope angles are artificially set in pond are the mound of 55 °;

Step 4: use the quicklime of 200 kilograms every mu to carry out disinfection to whole pond, splash again to full pond after can first quicklime being dissolved;

Step 5: sterilize and rinse whole pond with clear water after 5 days, shine afterwards the pool 4 days;

Step 7: plant pasture and water and snail or bivalves in pond, pasture and water can be one or more in duckweed, Azolla imbricata, hornwort, water lettuce or water peanut, and the cultured area of pasture and water covers 60% of whole pond; Attention snail and bivalves will be thrown in right amount;

Step 9: by the time 2～March pasture and water luxuriant, water quality is limpid, water temperature just can be rendered to steamed crab seedling in pond and cultivate when suitable, the seedling injected volume of steamed crab is 400/mu;

Because the cultural method of steamed crab in the respective embodiments described above is simulated the self-sow environment of steamed crab as far as possible, cultivation steamed crab out approaches wild steamed crab more, and mouthfeel is more delicious, and nutrition is abundanter.

Persons of ordinary skill in the art may appreciate that the respective embodiments described above are to realize specific embodiments of the invention, and in actual applications, can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.

Claims

1. a cultural method for steamed crab, is characterized in that, comprises following steps:

Remove the mud in pond;

Control the slope angle of supporting bank, crab pond at 45 °～60 °;

In pond, pile multiple mounds, wherein, the slope angle of multiple mounds is also all controlled at 45 °～60 °;

After being dissolved, quicklime splashes to whole pond;

After 3～5 days, rinse the Hou Shai pool, pond 3～5 days with clear water;

To water filling in the pond of having shone;

In pond, plant pasture and water, make the pasture and water coverage rate in whole pond 50%～60%, throw in appropriate snail or freshwater mussel simultaneously;

Use rigid plastics that the anti-enclosure wall of escaping is set around pond;

Between 2～March, luxuriant in pasture and water, under the limpid prerequisite of water quality, in pond, throw in steamed crab seedling with the amount of 300～400 every mu;

Every morning 9 is selected feeding forage or cereal, and select feeding freshwater mussel meat or spiral shell meat afternoon 5, strengthens feeding amount autumn, reduces feeding amount winter, and water temperature is at 5 degrees Celsius of feedings not below.

2. the cultural method of steamed crab according to claim 1, is characterized in that, described quicklime consumption is 160～200 kilograms every mu.

3. the cultural method of steamed crab according to claim 1, is characterized in that, in the whole year, in the most arid season, in described pond, depth of water bosom must not be lower than 2 meters.

4. the cultural method of steamed crab according to claim 1, is characterized in that, described pasture and water are duckweed, Azolla imbricata, hornwort, water lettuce and/or water peanut.