CN102150755A - Selenium-enriched crab feed and preparation method thereof - Google Patents
Selenium-enriched crab feed and preparation method thereof Download PDFInfo
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- CN102150755A CN102150755A CN2010105821919A CN201010582191A CN102150755A CN 102150755 A CN102150755 A CN 102150755A CN 2010105821919 A CN2010105821919 A CN 2010105821919A CN 201010582191 A CN201010582191 A CN 201010582191A CN 102150755 A CN102150755 A CN 102150755A
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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
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Abstract
The invention discloses a selenium-enriched crab feed and a preparation method thereof. The selenium-enriched crab feed comprises corn particles with the grain size of 0.5 to 5 millimeters; and the selenium content of the selenium-enriched crab feed is 300 to 2,500mu g/kg, and organic selenium content is more than or equal to 80 percent. The method comprises the following steps of: (1) in the process of sowing corns, planting corns with the selenium content of 300 to 2,500mu g/kg and over 80 percent of organic selenium by using a method of applying 3 to 5kg of nano selenium plant nutrient serving as a basic fertilizer in each mu of land; and (2) screening the corns obtained in the step (1), crushing, sieving, controlling the grain size of the corns to be 0.5 to 5 millimeters to obtain the corn particles, and directly using the corn particles as the selenium-enriched crab feed or mixing with a pharmaceutically acceptable carrier to form the selenium-enriched crab feed. The selenium-enriched crab feed is stable and controllable in content, and is suitable for large-scale standardized production; moreover, the selenium mainly exists in a form of organic selenium, is easily absorbed by a human body and more safe, and can meet the requirement of people lacking selenium on selenium supplement.
Description
Technical field
The present invention relates to feed, particularly a kind of selenium-rich corn crab feed of cultivating rich selenium crab, and the production method of this kind selenium-rich corn crab feed belong to feed and technical field of aquaculture.
Background technology
Corn (Zea mays) is the annual gramineae herbaceous plant, wherein contains a kind of longevity factor----glutathione.Selenium-rich corn contains abundant selenium, in the presence of selenium, generates GSH-POX, quickens the decomposition of animal body endoperoxide, makes malignant tumour can not get the supply of molecular oxygen and is suppressed, thereby animal is played a protective role.
Studies show that both at home and abroad selenium can promote growth of animal, growth, improve immunity, reduce the death rate.The influence of selenium reinforcement bait to dark line east abalone fry just studied with waiting in the land, find the obviously raising 26% of river Bao prelarva survival rate with the bait raising of selenium reinforcement, and abnormal rate reduces.
Steamed crab is that China is peculiar, and delicious flavour is nutritious, enjoys great prestige in the world.But China belongs to the serious country that lacks selenium, and the whole nation has 70% area all to belong to lack the selenium area approximately.The selenium deficiency of soil has directly caused the deficiency of selenium element in the food chain, is lower than 200 microgram/kilograms as the Se content in the common steamed crab crab meat, also has bigger Se content room for promotion.
The application of rich selenium aquaculture technology is at the early-stage, only limits to the breed of some fish species.Employing poor stability more than in the existing aquatic feeds, the inorganic selenium adding technique that toxic and side effect is big cause great risk to environment equally.
Corn is one of steamed crab main feed of culturing, at present main employing directly throw something and feed whole corn particle and boil after the dual mode of throwing something and feeding, iblet is excessive, in crab searches for food process waste very serious, the highest waste reaches 80%.And Se content generally is lower than 50 microgram/kilograms in the common corn, makes steamed crab therefrom can not get enough selemium nutritions.
Summary of the invention
The object of the invention is to provide a kind of rich selenium crab feed,, solved in the prior art that steamed crab is cultured because Se content deficiency in the crab feed, and add poor stability, inorganic selenium that toxic and side effect is big causes problems such as environmental pollution.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of rich selenium crab feed is characterized in that described rich selenium crab feed comprises corn particle, and the particle diameter of described corn particle is at 0.5～5 millimeter; The Se content of described rich selenium crab feed is between 300～2500 μ g/kg, and organic selenium content ratio 〉=80%.
Preferably, the Se content of described rich selenium crab feed is between 500～1500 μ g/kg, and organic selenium content ratio 〉=80%.
Preferably, the Se content of described rich selenium crab feed is between 500～1500 μ g/kg, and organic selenium content ratio 〉=85%.
Preferably, in the described rich selenium crab feed corn particle be Se content between 300～2500 μ g/kg, organic selenium ratio surpasses 80% corn and obtains through pulverizing.
Another object of the present invention is to provide a kind of preparation method of rich selenium crab feed, it is characterized in that said method comprising the steps of:
(1) pass through when corn seeding, the nanometer selenium plant nutrient agent that applies 3～5 kilograms every mu Tanaka is planted Se content between 300～2500 μ g/kg as the method for base manure, and organic selenium ratio surpasses 80% corn;
(2) corn crushing screening after screening that step (1) is obtained, control corn particle footpath obtains corn particle for 0.5～5 millimeter; Corn particle directly mixes typing and forms rich selenium crab feed as rich selenium crab feed or with pharmaceutically acceptable carrier.
Described and pharmaceutically acceptable carrier comprises anticorrisive agent such as Sodium Benzoate, potassium sorbate and flavouring such as sorbierite, flavoring apple essence, gelatin etc.
The invention provides a kind of natural selenium-rich corn crab feed, total Se content 300-2500 microgram/kilogram, and the ratio of organic selenium 〉=80% wherein, with respect to conventional corn, the total Se content of this selenium-rich corn has improved several times to tens times, the selemium nutrition level of steamed crab be can obviously improve, output and survival rate increased; This natural selenium-rich corn crab feed has also increased the palatability of corn, has reduced the waste of corn.
The present invention also aims to provide a kind of production method of natural selenium-rich corn crab feed.Before corn is cultivated, (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent, model is XGP001A) fully mix the back with the fertilizer of necessity according to a certain percentage and turn in the arable layer, 3～5 kilograms of every mu of nanometer selenium plant nutrient agent consumptions as base manure.After the selenium-rich corn results, through mixing, remove embryo, decortication clearly, mixing is pulverized, control corn particle footpath, and the back of sterilizing forms standard product.Necessary fertilizer is meant in order to satisfy macroelement fertilizer that the selenium-rich corn growth needs applies or fertilizer etc.
The production method of natural selenium-rich corn crab feed provided by the invention mainly may further comprise the steps:
1. selenium-rich corn is cultivated: when corn seeding, (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent, model is XGP001A) apply Tanaka as base manure with 3～5 kilograms every mu consumption, after applying the nanometer selenium plant nutrient agent, in conjunction with normal water and fertilizer management, the inorganic selenium that selenium-rich corn is absorbed is converted into multiple selenium-containing biological molecular nutrition material through photosynthesis, thereby cultivates the selenium-rich corn that steady quality is rich in organic selenium.When ripe, the total Se content of corn is controlled between 300 microgram/kilograms～2500 microgram/kilograms, and wherein organic selenium ratio surpasses 80%.
2. select materials: should select full grains, be golden yellow, no disease and pest, not have the corn that rots.
3. pulverize: 0.5～5 millimeter in control corn particle footpath, sieve.
Therefore, the present invention is convenient to steamed crab and is searched for food than the mode of throwing something and feeding for the whole corn of tradition, significantly improves the corn feed utilization rate, reduces because of the excessive water pollution degree that causes of throwing something and feeding.
Be rich in the selenium element in the selenium-rich corn crab feed provided by the invention, and the selenium form is based on organic selenium, helps steamed crab and absorb and transform, can improve steamed crab crab meat Se content and increase output and reduce the death rate.
With respect to scheme of the prior art, advantage of the present invention is:
1, the invention provides a kind of natural selenium-rich corn crab feed, be rich in beneficial element selenium, can improve crab immunity, survival rate and output greatly animal;
2, the invention provides a kind of granular size and be fit to the crab feed (0.5～5 millimeter of particle diameter) that crab searches for food, significantly improve efficiency of feed utilization, reduce because of the excessive water pollution of throwing something and feeding and causing;
3, the invention provides a kind of quality homogeneous, standardized selenium-rich corn crab feed, organic selenium content is high and stable, the Se content inequality that the whole iblet of having avoided throwing something and feeding causes.
The specific embodiment
Below in conjunction with specific embodiment such scheme is described further.Should be understood that these embodiment are used to the present invention is described and are not limited to limit the scope of the invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment 1
Selenium-rich corn is assorted clearly, remove embryo, decortication, mixing is pulverized, and makes particle diameter and be 0.5 millimeter particle, sieve, the sterilization back forms standard product, meets total Se content 300 microgram/kilograms～2500 microgram/kilograms, wherein organic selenium content 〉=80%.
In certain steamed crab cultivation base, with this selenium-rich corn crab feedstuff feeding steamed crab, through fixed point observation, corn loss late (overstand corruption in water) has reduced by 55%, and the steamed crab survival rate improves about 35% in the crab pool, place, and the steamed crab Se content that finally grows up to is higher 3～5 times than common steamed crab.
Embodiment 2
Selenium-rich corn is assorted clearly, remove embryo, decortication, mixing is pulverized, and makes particle diameter and be 1 millimeter particle, sieve, the sterilization back forms standard product, meets total Se content 300 microgram/kilograms～2500 microgram/kilograms, wherein organic selenium content 〉=80%.
In certain steamed crab cultivation base, with this selenium-rich corn crab feedstuff feeding steamed crab, through fixed point observation, corn loss late (overstand corruption in water) has reduced by 40%, and the steamed crab survival rate improves about 30% in the crab pool, place, and the steamed crab Se content that finally grows up to is higher 3～5 times than common steamed crab.
Embodiment 3
Selenium-rich corn is assorted clearly, remove embryo, decortication, mixing is pulverized, and makes particle diameter and be 2 millimeters particle, sieve, the sterilization back forms standard product, meets total Se content 300 microgram/kilograms～2500 microgram/kilograms, wherein organic selenium content 〉=80%.
In certain steamed crab cultivation base, with this selenium-rich corn crab feedstuff feeding steamed crab, through fixed point observation, corn loss late (overstand corruption in water) has reduced by 35%, and the steamed crab survival rate improves about 25% in the crab pool, place, and the steamed crab Se content that finally grows up to is higher 3～5 times than common steamed crab.
Embodiment 4
Selenium-rich corn is assorted clearly, remove embryo, decortication, mixing is pulverized, and makes particle diameter and be 3 millimeters particle, sieve, the sterilization back forms standard product, meets total Se content 300 microgram/kilograms～2500 microgram/kilograms, wherein organic selenium content 〉=80%.
In certain steamed crab cultivation base, with this selenium-rich corn crab feedstuff feeding steamed crab, through fixed point observation, corn loss late (overstand corruption in water) has reduced by 30%, and the steamed crab survival rate improves about 20% in the crab pool, place, and the steamed crab Se content that finally grows up to is higher 3～5 times than common steamed crab.
Embodiment 5
Selenium-rich corn is assorted clearly, remove embryo, decortication, mixing is pulverized, and makes particle diameter and be 4 millimeters particle, sieve, the sterilization back forms standard product, meets total Se content 300 microgram/kilograms～2500 microgram/kilograms, wherein organic selenium content 〉=80%.
In certain steamed crab cultivation base, with this selenium-rich corn crab feedstuff feeding steamed crab, through fixed point observation, corn loss late (overstand corruption in water) has reduced by 20%, and the steamed crab survival rate improves about 15% in the crab pool, place, and the steamed crab Se content that finally grows up to is higher 3～5 times than common steamed crab.
Embodiment 6
Selenium-rich corn is assorted clearly, remove embryo, decortication, mixing is pulverized, and makes particle diameter and be 5 millimeters particle, sieve, the sterilization back forms standard product, meets total Se content 300 microgram/kilograms～2500 microgram/kilograms, wherein organic selenium content 〉=80%.
In certain steamed crab cultivation base, with this selenium-rich corn crab feedstuff feeding steamed crab, through fixed point observation, corn loss late (overstand corruption in water) has reduced by 10%, and the steamed crab survival rate improves about 5% in the crab pool, place, and the steamed crab Se content that finally grows up to is higher 3～5 times than common steamed crab.
Above-mentioned example only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All spirit essence is done according to the present invention equivalent transformation or modification all should be encompassed within protection scope of the present invention.
Claims (5)
1. a rich selenium crab feed is characterized in that described rich selenium crab feed comprises corn particle, and the particle diameter of described corn particle is at 0.5～5 millimeter; The Se content of described rich selenium crab feed is between 300～2500 μ g/kg, and organic selenium content ratio 〉=80%.
2. rich selenium crab feed according to claim 1, the Se content that it is characterized in that described rich selenium crab feed is between 500～1500 μ g/kg, and organic selenium content ratio 〉=80%.
3. rich selenium crab feed according to claim 1, the Se content that it is characterized in that described rich selenium crab feed is between 500～1500 μ g/kg, and organic selenium content ratio 〉=85%.
4. rich selenium crab feed according to claim 1, it is characterized in that in the described rich selenium crab feed corn particle be Se content between 300～2500 μ g/kg, organic selenium ratio surpasses 80% corn and obtains through pulverizing.
5. the preparation method of a rich selenium crab feed is characterized in that said method comprising the steps of:
(1) pass through when corn seeding, the nanometer selenium plant nutrient agent that applies 3～5 kilograms every mu Tanaka is planted Se content between 300～2500 μ g/kg as the method for base manure, and organic selenium ratio surpasses 80% corn;
(2) corn crushing screening after screening that step (1) is obtained, control corn particle footpath obtains corn particle for 0.5～5 millimeter; Corn particle directly mixes typing and forms rich selenium crab feed as rich selenium crab feed or with pharmaceutically acceptable carrier.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105821919A CN102150755A (en) | 2010-12-10 | 2010-12-10 | Selenium-enriched crab feed and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105821919A CN102150755A (en) | 2010-12-10 | 2010-12-10 | Selenium-enriched crab feed and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960471A (en) * | 2014-04-10 | 2014-08-06 | 张厚冰 | Crab fodder capable of improving immunity and preparation method thereof |
| CN103960494A (en) * | 2014-04-10 | 2014-08-06 | 孙才海 | Crab feed rich in organic selenium and preparation method thereof |
| CN104366074A (en) * | 2014-11-03 | 2015-02-25 | 苏州硒谷科技有限公司 | Organic selenium-rich health feed for feeding selenium-rich purple crab and preparation method of organic selenium-rich health feed |
| CN107500845A (en) * | 2017-10-13 | 2017-12-22 | 苏州尧智生态环保科技有限公司 | The preparation method of selenium-rich fertilizer and the cultural method of selenium-rich crab |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1445199A (en) * | 2003-04-11 | 2003-10-01 | 王惠中 | Corn enrich with selenium and calcium as well as its production methods |
| CN101361434A (en) * | 2008-09-27 | 2009-02-11 | 沈阳农业大学 | Cultivation technique capable of increasing corn selenium content |
| CN101715686A (en) * | 2009-12-04 | 2010-06-02 | 姚鼎山 | Method for planting nano-selenium organic minor cereals |
| CN101828653A (en) * | 2009-02-25 | 2010-09-15 | 苏州硒谷科技有限公司 | Crab feed batch mixture and preparation and application thereof |
-
2010
- 2010-12-10 CN CN2010105821919A patent/CN102150755A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1445199A (en) * | 2003-04-11 | 2003-10-01 | 王惠中 | Corn enrich with selenium and calcium as well as its production methods |
| CN101361434A (en) * | 2008-09-27 | 2009-02-11 | 沈阳农业大学 | Cultivation technique capable of increasing corn selenium content |
| CN101828653A (en) * | 2009-02-25 | 2010-09-15 | 苏州硒谷科技有限公司 | Crab feed batch mixture and preparation and application thereof |
| CN101715686A (en) * | 2009-12-04 | 2010-06-02 | 姚鼎山 | Method for planting nano-selenium organic minor cereals |
Non-Patent Citations (1)
| Title |
|---|
| 《湖南农业科学》 20090831 钟积东等 含硒微肥的研究和应用效果初报 45-47 5 , 第8期 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103960471A (en) * | 2014-04-10 | 2014-08-06 | 张厚冰 | Crab fodder capable of improving immunity and preparation method thereof |
| CN103960494A (en) * | 2014-04-10 | 2014-08-06 | 孙才海 | Crab feed rich in organic selenium and preparation method thereof |
| CN104366074A (en) * | 2014-11-03 | 2015-02-25 | 苏州硒谷科技有限公司 | Organic selenium-rich health feed for feeding selenium-rich purple crab and preparation method of organic selenium-rich health feed |
| CN107500845A (en) * | 2017-10-13 | 2017-12-22 | 苏州尧智生态环保科技有限公司 | The preparation method of selenium-rich fertilizer and the cultural method of selenium-rich crab |
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Application publication date: 20110817 |