CN105341536A - Paste-state semi-wet compound feed for tachypleus trideutatus and preparation method thereof - Google Patents
Paste-state semi-wet compound feed for tachypleus trideutatus and preparation method thereof 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
- 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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- 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 discloses a method for preparing and feeding a paste-state semi-wet compound feed for tachypleus trideutatus, and belongs to the field of feed production. According to the technical core, the preparation method comprises the following steps of weighing phaeodactylum tricornutum powder, beer yeast powder, nereid, scallop, mussel, lumbrukinase, shrimp head powder and other raw materials according to the formula requirement, grinding the raw materials, screening the raw materials through a 100-mesh screen, adding 40-45 percent of water into the raw materials, and conducting uniform stirring to obtain the paste-state semi-wet compound feed. According to the technical scheme of feeding, the feeding method comprises the following steps of weighing the semi-wet feed according to the general weight ratio of bred tachypleus trideutatus, piling the semi-wet feed into a small pile to attract the tachypleus trideutatus to forage. The compound feed is comprehensive and balanced in nutrition, has small energy consumption since high-temperature and pelleting treatment are not conducted, is advantageous to healthy and quick growth of tachypleus trideutatus since vitamins, amino acid, fatty acid and other bioactive ingredients in the feed are not inactivated, and has the advantages of easily available raw materials, simple process, relatively low cost, rich fragrance, good attractive effect and extremely small pollution to water body.
Description
Technical field the invention belongs to Feed Manufacturing field, particularly relates to a kind of rotten shape semi-humid Tachypleus tridentatus mixed feed and makes and feeding method.
Background technology
King crab, is commonly called as horse crab HorseshoeCrab, is the arthropod that dwells at the bottom of a kind of ancient large ocean, is subordinate to Merostomata Merostomata, Xiphosura Xiphosura.The existing kind of Merostomata is little, only has 4 kinds of king crabs.King crab has huge economic value and medical value, and Asians is used as king crab as seafood cuisines, is widely used as Chinese medicine simultaneously, North America using king crab as animal feed and bait of fishing.TAL prepared by limulus blood cell is then detect that endotoxin is most widely used, the most effective reagent at present, and king crab is water ecology food chain important component part simultaneously, and king crab ovum and young king crab are the food of seabird.Tachypleus tridentatus Tachypleustridentatus is the one the widest, economic worth is maximum that distributes in the king crab of 3 kinds, Asia, once East Sea on the south entrance of Changjiang River and South China Sea was distributed widely at China Seas, the most northern Mount Dai reaching Zhoushan Islands, is the most southernly distributed in Beibu Bay.Tachypleus tridentatus adult or subadult are lived in seclusion at ordinary times at the bottom of shallow sea, with benthic mollusc, annelid (especially clam worm), siphon-worm, nematode, brachiopod (Lingula), sea anemone etc. for food, do not have selective to intertidal zone food, if its benthon that can touch even humus can become its prey.The young is in intertidal zone hatching and grow up, and artificial young king crab most time of cultivating is hidden and to be lived in silt, and in husky mud growth rate than faster at natural sea-water medium velocity.Children king crab is divided a word with a hyphen at the end of a line to shallow sea gradually along with growing up, and becomes king crab to live in seclusion at the bottom of shallow sea.Since the eighties in 20th century; along with the fast development of China's southeastern coast economy and the sharply expansion of population; simultaneously based on the economic worth that Tachypleus tridentatus is huge; Tachypleus tridentatus meets with overfishing; and large area marine reclamation land and ocean engineering construction make intertidal zone, Tachypleus tridentatus habitat, shallow sea is subject to heavy damage; the fast development of industry increases maritime environment pollution; these factors make the king crab resource of China Seas sharply decline; over nearly 30 years, Tachypleus tridentatus makes no public appearances in many marine sites of southeastern coast; Tachypleus tridentatus resource faces exhaustion, and protection of resources management becomes the task of top priority.Carry out king crab propagate artificially be expand king crab quantity, recovery, protection king crab resource the most directly, most effective method.Under pond culture condition, only rely on natural bait in pond obviously cannot meet the needs of king crab high density, intensive culture, for king crab provides the agreeable to the taste feed of comprehensive nutrition, size to be ensure that king crab cultivation is successfully crucial.Through inspection information and market survey, also find no the research of king crab mixed feed, production, application, sale.In order to fill up the blank of current technology, the invention provides a kind of rotten shape semi-humid Tachypleus tridentatus mixed feed and making and feeding method.This technological core is first by Phaeodactylum tricornutum powder, boat-shaped algae powder, different glue algae powder, beer yeast powder, clam worm, scallop, mussel, Lumbrokinase, shrimp head powder, dregs of beans, Sodium Benzoate, corn flour, salt, the raw materials such as wild rice stem powder take by recipe requirements, pulverize 100 mesh sieves, after add the water of the weight ratio of 40-45%, be fully uniformly mixed, obtain rotten shape semi-humid mixed feed; Feeding technology main points are, take semi-humid feed by the TBW ratio of king crab in culturing pool, and pile rickle at cultivation pool side, the peculiar fragrance of feed lures king crab to come to look for food.The present invention's rotten shape semi-humid Tachypleus tridentatus mixed feed comprehensive nutrition is balanced, the bioactive ingredients non-inactivations such as the vitamin in feed, amino acid, Lumbrokinase, sterol, biological polyoses, aliphatic acid, be conducive to the health of king crab, grow fast, raw material is easy to get, and manufacture craft is simple, cost is lower, fragrance is strong, and phagostimulating effect is good, and composition does not scatter and disappear, utilization rate is high, little to water pollution.
Summary of the invention
The object of this invention is to provide a kind of rotten shape semi-humid Tachypleus tridentatus mixed feed, making and feeding method.
A kind of rotten shape semi-humid Tachypleus tridentatus mixed feed, , mixed feed is made up of the raw material of following parts by weight: Phaeodactylum tricornutum powder 2-4 part, boat-shaped algae powder 1-3 part, different glue algae powder 0.5-1.5 part, beer yeast powder 0.3-0.6 part, clam worm 2-4 part, scallop 3-5 part, mussel 6-10 part, Lumbrokinase 0.2-0.5 part, shrimp head powder 2-4 part, dregs of beans 3-7 part, corn flour 8-12 part, salt 0.2-0.4 part, wild rice stem powder 4-8 part, malt flour 3-7 part, duckweed 4-6 part, lotus root starch 0.3-0.7 part, leaf of elm tree 3-8 part, Choline Chloride 0.02-0.05 part, squid visceral meal 0.6-1.2 part, betaine 0.3-0.6 part, pork liver 4-9 part, sheep blood 3-7 part, carrot 10-15 part.
The preparation method of described rotten shape semi-humid Tachypleus tridentatus mixed feed, step is as follows:
(1) Phaeodactylum tricornutum powder is taken by weight, boat-shaped algae powder, stirs mixed powder A is for subsequent use after the mixing of different glue algae powder, beer yeast powder, Lumbrokinase, shrimp head powder, corn flour, salt, wild rice stem powder, malt flour, lotus root starch, Choline Chloride, squid visceral meal, betaine;
(2) clam worm, scallop, mussel, dregs of beans, duckweed, leaf of elm tree, pork liver, sheep blood, carrot is taken by weight; Pulverize in advance with commercially available pulverizer, it is for subsequent use that mistake 100 mesh sieves obtain mixed powder B;
(3) obtain mixed powder C with the mixed powder B that mixing and blending machine mixes, whipping step (1) obtains mixed powder A and step (2), the distilled water adding the 40-45% of mixed powder C volume mixes rotten shape semi-humid mixture D is for subsequent use;
(4) step (3) gained rotten shape semi-humid mixture D is carried out high pressure CO
2sterilization process, contains gained rotten shape semi-humid mixture D the sterilization tower that sealing put into by container, in sterilization tower, injects high pressure CO
2gas, after continuing 3min, exports release pressure through conduit, CO after pressure reduces
2solubility reduces rapidly, and the rapid loss of a large amount of CO2 gases in sterilization tower, namely completes sterilization; Namely rotten shape semi-humid mixed fodder is obtained after taking out cooling.
The preparation method of described rotten shape semi-humid Tachypleus tridentatus mixed feed: step (4) adopts ultraviolet and high pressure CO
2composite bactericidal: gained rotten shape semi-humid mixture D is contained the sterilization tower that sealing put into by container, inject high pressure CO in sterilization tower
2gas, after continuing 3min, exports release pressure through conduit, CO after pressure reduces
2solubility reduces rapidly, and the rapid loss of a large amount of CO2 gases in sterilization tower, namely completes preliminarily pasteurized; Take out under cooling is placed on uviol lamp and irradiate, ultraviolet lamp radiation intensity is 280 μ W/cm
3(ultraviolet wavelength 253.7nm, in distance 3 meters), irradiation time 10 minutes, namely obtains rotten shape semi-humid mixed fodder.
The feeding method of described rotten shape semi-humid Tachypleus tridentatus mixed feed, the cultivation of Tachypleus tridentatus adopts pond culture, with clean, clean ordinary sea water cultivation, pond is rectangle or square, at the bottom of mud or silt bottom, pond area 5-50 mu, depth of water 1.5-3.5 rice is more suitable, one of them bank is designed to the less slope of the gradient, slope ratio is 20% (be namely equivalent to horizontal direction moves ahead 100 meters, vertical direction rises 20 meters), coated with the fine sand of 10-15 cm thick on slope, take described rotten shape semi-humid Tachypleus tridentatus mixed feed: (average weight of king crab is below 250 grams to young king crab, containing 250 grams) every day throw the amount of raising be 12% of king crab gross weight in pond, throwing king crab (average weight of king crab is more than 250 grams) the every day amount of raising of growing up is 9% of king crab gross weight in pond, divide and throw something and feed for 6 times, namely from morning 6, threw something and fed once every 4 hours, when throwing something and feeding, feed is deposited on slope, limit, pond by 200 gram of one rickle, rickle is dried up 30-50 centimetre, if 6-10 rickle, adjacent rickle interval 3-5 rice, feed peat-reek can lure king crab to come to look for food, overcast and rainyly ingest not vigorous because of king crab, throw the amount of raising and throw something and feed by normal 75% of the amount of raising of throwing.
Beneficial outcomes: the present invention's rotten shape semi-humid Tachypleus tridentatus mixed feed comprehensive nutrition is balanced, without high temperature and the process of pressure grain, power consumption is few, vitamin in feed, amino acid, Lumbrokinase, sterol, biological polyoses, macrolide, the bioactive ingredients non-inactivations such as high unsaturated fatty acid, be conducive to the health of king crab, quick growth, raw material is easy to get, manufacture craft is simple, cost is lower, feed fragrance is strong, phagostimulating effect is good, feed is rotten shape, good palatability, when throwing something and feeding, feed piles up pool side instead of is sprinkled in water, composition does not scatter and disappear, utilization rate is high, minimum to water pollution.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is further elaborated;
Embodiment 1 one kinds rotten shape semi-humid Tachypleus tridentatus mixed feed, , mixed feed is made up of the raw material of following parts by weight: Phaeodactylum tricornutum powder 2-4 part, boat-shaped algae powder 1-3 part, different glue algae powder 0.5-1.5 part, beer yeast powder 0.3-0.6 part, clam worm 2-4 part, scallop 3-5 part, mussel 6-10 part, Lumbrokinase 0.2-0.5 part, shrimp head powder 2-4 part, dregs of beans 3-7 part, corn flour 8-12 part, salt 0.2-0.4 part, wild rice stem powder 4-8 part, malt flour 3-7 part, duckweed 4-6 part, lotus root starch 0.3-0.7 part, leaf of elm tree 3-8 part, Choline Chloride 0.02-0.05 part, squid visceral meal 0.6-1.2 part, betaine 0.3-0.6 part, pork liver 4-9 part, sheep blood 3-7 part, carrot 10-15 part.
The preparation method of described rotten shape semi-humid Tachypleus tridentatus mixed feed, step is as follows:
(1) Phaeodactylum tricornutum powder is taken by weight, boat-shaped algae powder, stirs mixed powder A is for subsequent use after the mixing of different glue algae powder, beer yeast powder, Lumbrokinase, shrimp head powder, corn flour, salt, wild rice stem powder, malt flour, lotus root starch, Choline Chloride, squid visceral meal, betaine;
(2) clam worm, scallop, mussel, dregs of beans, duckweed, leaf of elm tree, pork liver, sheep blood, carrot is taken by weight; Pulverize in advance with commercially available pulverizer, it is for subsequent use that mistake 100 mesh sieves obtain mixed powder B;
(3) obtain mixed powder C with the mixed powder B that mixing and blending machine mixes, whipping step (1) obtains mixed powder A and step (2), the distilled water adding the 40-45% of mixed powder C volume mixes rotten shape semi-humid mixture D is for subsequent use;
(4) step (3) gained rotten shape semi-humid mixture D is carried out high pressure CO
2sterilization process, contains gained rotten shape semi-humid mixture D the sterilization tower that sealing put into by container, in sterilization tower, injects high pressure CO
2gas, after continuing 3min, exports release pressure through conduit, CO after pressure reduces
2solubility reduces rapidly, and the rapid loss of a large amount of CO2 gases in sterilization tower, namely completes sterilization; Namely rotten shape semi-humid mixed fodder is obtained after taking out cooling.
The preparation method of described rotten shape semi-humid Tachypleus tridentatus mixed feed: step (4) adopts ultraviolet and high pressure CO
2composite bactericidal: gained rotten shape semi-humid mixture D is contained the sterilization tower that sealing put into by container, inject high pressure CO in sterilization tower
2gas, after continuing 3min, exports release pressure through conduit, CO after pressure reduces
2solubility reduces rapidly, and the rapid loss of a large amount of CO2 gases in sterilization tower, namely completes preliminarily pasteurized; Take out under cooling is placed on uviol lamp and irradiate, ultraviolet lamp radiation intensity is 280 μ W/cm
3(ultraviolet wavelength 253.7nm, in distance 3 meters), irradiation time 10 minutes, namely obtains rotten shape semi-humid mixed fodder.
The feeding method of described rotten shape semi-humid Tachypleus tridentatus mixed feed, the cultivation of Tachypleus tridentatus adopts pond culture, with the cultivation of clean, clean ordinary sea water, pond is rectangle or square, at the bottom of mud or silt bottom, pond area 5-50 mu, depth of water 1.5-3.5 rice is more suitable, one of them bank is designed to the less slope of the gradient, slope ratio is 20% (be namely equivalent to horizontal direction moves ahead 100 meters, vertical direction rises 20 meters), coated with the fine sand of 10-15 cm thick on slope, take described rotten shape semi-humid Tachypleus tridentatus mixed feed; To young king crab, (average weight of king crab is below 250 grams, containing 250 grams) every day throw the amount of raising be 12% of king crab gross weight in pond, throwing king crab (average weight of king crab is more than 250 grams) the every day amount of raising of growing up is 9% of king crab gross weight in pond, divide and throw something and feed for 6 times, namely from morning 6, threw something and fed once every 4 hours, when throwing something and feeding, feed is deposited on slope, limit, pond by 200 gram of one rickle, rickle is dried up 30-50 centimetre, if 6-10 rickle, adjacent rickle interval 3-5 rice, feed peat-reek can lure king crab to come to look for food; Overcast and rainyly ingest not vigorous because of king crab, throw the amount of raising and throw something and feed by normal 75% of the amount of raising of throwing.
Embodiment 2, mixed feed raw material forms: Phaeodactylum tricornutum powder 2Kg, boat-shaped algae powder 1Kg, different glue algae powder 0.5Kg, beer yeast powder 0.3Kg, clam worm 2Kg, scallop 3Kg, mussel 6Kg, Lumbrokinase 0.2Kg, shrimp head powder 2Kg, dregs of beans 3Kg, corn flour 8Kg, salt 0.2Kg, wild rice stem powder 4Kg, malt flour 3Kg, duckweed 4Kg, lotus root starch 0.3Kg, leaf of elm tree 3Kg, Choline Chloride 0.02Kg, squid visceral meal 0.6Kg, betaine 0.3Kg, pork liver 4Kg, sheep blood 3Kg, carrot 10Kg.
Embodiment 3, mixed feed raw material forms: Phaeodactylum tricornutum powder 2.8Kg, boat-shaped algae powder 1.5Kg, different glue algae powder 0.7Kg, beer yeast powder 0.6Kg, clam worm 2.4Kg, scallop 3.7Kg, mussel 7Kg, Lumbrokinase 0.3Kg, shrimp head powder 3Kg, dregs of beans 5Kg, corn flour 10Kg, salt 0.3Kg, wild rice stem powder 5Kg, malt flour 4Kg, duckweed 6Kg, lotus root starch 0.4Kg, leaf of elm tree 3.9Kg, Choline Chloride 0.03Kg, squid visceral meal 0.8Kg, betaine 0.4Kg, pork liver 6Kg, sheep blood 4Kg, carrot 12Kg.
Embodiment 4, mixed feed raw material forms: Phaeodactylum tricornutum powder 3.8Kg, boat-shaped algae powder 2.5Kg, different glue algae powder 1.2Kg, beer yeast powder 0.5Kg, clam worm 3.5Kg, scallop 4.5Kg, mussel 8.5Kg, Lumbrokinase 0.4Kg, shrimp head powder 3.6Kg, dregs of beans 5Kg, corn flour 11Kg, salt 0.35Kg, wild rice stem powder 7Kg, malt flour 6Kg, duckweed 6Kg, lotus root starch 0.7Kg, leaf of elm tree 8Kg, Choline Chloride 0.04Kg, squid visceral meal 1.1Kg, betaine 0.6Kg, pork liver 8Kg, sheep blood 6Kg, carrot 14Kg.
Any one mixed feed described in embodiment 1-4 all adopts following methods to throw something and feed: the cultivation of Tachypleus tridentatus adopts pond culture, with clean, clean ordinary sea water cultivation, pond is rectangle or square, at the bottom of mud or silt bottom, pond area 5-50 mu, depth of water 1.5-3.5 rice is more suitable, one of them bank is designed to the less slope of the gradient, slope ratio is 20% (be namely equivalent to horizontal direction moves ahead 100 meters, vertical direction rises 20 meters), coated with the fine sand of 10-15 cm thick on slope, facilitate king crab to climb up bank to play, look for food, mating, lay eggs, breeding.To young king crab, (average weight of king crab is below 250 grams, containing 250 grams) every day throw the amount of raising be 12% of king crab gross weight in pond, throwing king crab (average weight of king crab is more than 250 grams) the every day amount of raising of growing up is 9% of king crab gross weight in pond, divide and throw something and feed for 6 times, namely from morning 6, threw something and fed once every 4 hours, when throwing something and feeding, feed is deposited on slope, limit, pond by 200 gram of one rickle, rickle is dried up 30-50 centimetre, if 6-10 rickle, adjacent rickle interval 3-5 rice, feed peat-reek can lure king crab to come to look for food.Overcast and rainyly ingest not vigorous because of king crab, throw the amount of raising and throw something and feed by normal 75% of the amount of raising of throwing.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of embodiment of the present invention technical scheme.
Claims (4)
1. a rotten shape semi-humid Tachypleus tridentatus mixed feed, it is characterized in that, mixed feed is made up of the raw material of following parts by weight: Phaeodactylum tricornutum powder 2-4 part, boat-shaped algae powder 1-3 part, different glue algae powder 0.5-1.5 part, beer yeast powder 0.3-0.6 part, clam worm 2-4 part, scallop 3-5 part, mussel 6-10 part, Lumbrokinase 0.2-0.5 part, shrimp head powder 2-4 part, dregs of beans 3-7 part, corn flour 8-12 part, salt 0.2-0.4 part, wild rice stem powder 4-8 part, malt flour 3-7 part, duckweed 4-6 part, lotus root starch 0.3-0.7 part, leaf of elm tree 3-8 part, Choline Chloride 0.02-0.05 part, squid visceral meal 0.6-1.2 part, betaine 0.3-0.6 part, pork liver 4-9 part, sheep blood 3-7 part, carrot 10-15 part.
2. the preparation method of rotten shape semi-humid Tachypleus tridentatus mixed feed according to claim 1, is characterized in that step is as follows:
(1) Phaeodactylum tricornutum powder is taken by weight, boat-shaped algae powder, stirs mixed powder A is for subsequent use after the mixing of different glue algae powder, beer yeast powder, Lumbrokinase, shrimp head powder, corn flour, salt, wild rice stem powder, malt flour, lotus root starch, Choline Chloride, squid visceral meal, betaine;
(2) clam worm, scallop, mussel, dregs of beans, duckweed, leaf of elm tree, pork liver, sheep blood, carrot is taken by weight; Pulverize in advance with commercially available pulverizer, it is for subsequent use that mistake 100 mesh sieves obtain mixed powder B;
(3) obtain mixed powder C with the mixed powder B that mixing and blending machine mixes, whipping step (1) obtains mixed powder A and step (2), the distilled water adding the 40-45% of mixed powder C volume mixes rotten shape semi-humid mixture D is for subsequent use;
(4) step (3) gained rotten shape semi-humid mixture D is carried out high pressure CO
2sterilization process, contains gained rotten shape semi-humid mixture D the sterilization tower that sealing put into by container, in sterilization tower, injects high pressure CO
2gas, after continuing 3min, exports release pressure through conduit, CO after pressure reduces
2solubility reduces rapidly, and the rapid loss of a large amount of CO2 gases in sterilization tower, namely completes sterilization; Namely rotten shape semi-humid mixed fodder is obtained after taking out cooling.
3. the preparation method of rotten shape semi-humid Tachypleus tridentatus mixed feed according to claim 1-2, is characterized in that: step (4) adopts ultraviolet and high pressure CO
2composite bactericidal: gained rotten shape semi-humid mixture D is contained the sterilization tower that sealing put into by container, inject high pressure CO in sterilization tower
2gas, after continuing 3min, exports release pressure through conduit, CO after pressure reduces
2solubility reduces rapidly, and the rapid loss of a large amount of CO2 gases in sterilization tower, namely completes preliminarily pasteurized; Take out under cooling is placed on uviol lamp and irradiate, ultraviolet lamp radiation intensity is 280 μ W/cm
3(ultraviolet wavelength 253.7nm, in distance 3 meters), irradiation time 10 minutes, namely obtains rotten shape semi-humid mixed fodder.
4. the feeding method of rotten shape semi-humid Tachypleus tridentatus mixed feed according to claim 1, it is characterized in that, the cultivation of Tachypleus tridentatus adopts pond culture, with clean, clean ordinary sea water cultivation, pond is rectangle or square, at the bottom of mud or silt bottom, pond area 5-50 mu, depth of water 1.5-3.5 rice is more suitable, one of them bank is designed to the less slope of the gradient, slope ratio is 20% (be namely equivalent to horizontal direction moves ahead 100 meters, vertical direction rises 20 meters), coated with the fine sand of 10-15 cm thick on slope, take rotten shape semi-humid Tachypleus tridentatus mixed feed according to claim 1, to young king crab, (average weight of king crab is below 250 grams, containing 250 grams) every day throw the amount of raising be 12% of king crab gross weight in pond, throwing king crab (average weight of king crab is more than 250 grams) the every day amount of raising of growing up is 9% of king crab gross weight in pond, divide and throw something and feed for 6 times, namely from morning 6, threw something and fed once every 4 hours, when throwing something and feeding, feed is deposited on slope, limit, pond by 200 gram of one rickle, rickle is dried up 30-50 centimetre, if 6-10 rickle, adjacent rickle interval 3-5 rice, feed peat-reek can lure king crab to come to look for food, overcast and rainyly ingest not vigorous because of king crab, throw the amount of raising and throw something and feed by normal 75% of the amount of raising of throwing.
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| CN107455299A (en) * | 2017-09-12 | 2017-12-12 | 钦州学院 | Method by controlling chlorine dioxide concentration to improve Tachypleus tridentatus embryo survival and incubation rate |
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