CN102326670A - Selenium-enriched wheat fodder as well as preparation method and application thereof - Google Patents
Selenium-enriched wheat fodder as well as preparation method and application thereof Download PDFInfo
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- CN102326670A CN102326670A CN201110168689A CN201110168689A CN102326670A CN 102326670 A CN102326670 A CN 102326670A CN 201110168689 A CN201110168689 A CN 201110168689A CN 201110168689 A CN201110168689 A CN 201110168689A CN 102326670 A CN102326670 A CN 102326670A
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- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
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Abstract
The invention discloses selenium-enriched wheat fodder as well as a preparation method and application thereof. The selenium-enriched wheat fodder comprises selenium-enriched wheat grains and an acceptable carrier in food science, wherein the selenium content in the selenium-enriched wheat fodder is 500-5000mu g/kg, and the weight proportion of the organic selenium is not less than 70%. The selenium-enriched wheat fodder contains abundant selenium elements in the main form of organic selenium, thus is favorable for absorption and conversion of river crabs on selenium, improves the selenium content in the edible part of the river crabs, lowers the mortality rate of the river crabs and increases the yield.
Description
Technical field
The invention belongs to food and feed research and development technology field, be specifically related to a kind of Se-rich wheat feed.
Background technology
Wheat (wheat) is a kind of the extensive grass of plantation all over the world, and wheat is the cereal crops of total output second in the world, is only second to corn.Wheat is rich in starch, protein, fat, mineral matter, calcium, iron, thiamine, riboflavin, nicotinic acid and vitamin A etc.; Be one of common food of humans and animals; Also be one of bait more common in the culture of Chinese mitten crab process, its preform---flour is the bulk raw material in the river crab complete feed.
Selenium is divided into two kinds in natural existing way: inorganic selenium and organic selenium.Inorganic selenium refers generally to sodium selenite and sodium selenate, from the byproduct of metal mineral reserves, obtains.The latter be selenium through bio-transformation and amino acid be combined into, generally the form with selenomethionine exists.
The research of selenium on aquatic livestock is carried out in China; Wei Wenzhi etc. add 0.2 mg/kg sodium selenite and the organic selenium of 0.2 mg/kg (containing selenium polysaccharide and selenoprotein) in the hybridized prussian carp feed; Find that organic selenium group fish rate of body weight gain adds component than control group and inorganic selenium and you can well imagine high 15.29% and 14.59%; Feed coefficient reduces by 12.49% and 12.35%, explains that the raising to the production performance of aquatic livestock of organic selenium is superior to inorganic selenium.
River 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, as the Se content in the common river crab crab meat, is lower than 200 μ g/kg, also has bigger Se content room for promotion.
Although selenium is started to walk to the research of aquatic livestock; But only be confined to the breed of some fish species at present; And the poor stability of employing more than in actual production, the inorganic selenium adding technique that toxic and side effect is big because inorganic selenium has very strong toxicity, therefore have and in practical application, have certain risk; Control does not with great difficulty cause the aquatic livestock selenosis, equally environment is caused great risk yet.
Wheat is one of feed commonly used in the culture of Chinese mitten crab process; Mainly adopt the mode of the whole grain wheat of directly throwing something and feeding after soaking to throw something and feed at present; Handle the acquisition Se-rich wheat through wheat being carried out technique of enriched selenium; River crab obtains to satisfy organic selenium of growing requirements through the rich selenium full price crab feed of directly searching for food Se-rich wheat or process from strand, and makes the survival rate of river crab improve, and output increases.
Summary of the invention
The object of the invention is to provide a kind of Se-rich wheat feed, solved the culture of Chinese mitten crab of directly throwing something and feeding of wheatfeed in the prior art and can't put forward the problem such as survival rate and output of selenium-enriched crab.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of Se-rich wheat feed is characterized in that said Se-rich wheat feed comprises acceptable carrier on Se-rich wheat particle and the bromatology, and the Se content of said Se-rich wheat feed is between 500～5000 μ g/kg, and organic selenium content ratio >=70%.
Preferably, the Se content of said Se-rich wheat feed is between 500～5000 μ g/kg, and organic selenium content ratio >=80%.
Preferably, the Se content of said Se-rich wheat feed is between 600～5000 μ g/kg, and organic selenium content ratio >=80%.
Preferably, the Se content of said Se-rich wheat feed is between 700～4000 μ g/kg, and organic selenium content ratio >=80%.
Preferably, the Se content of said Se-rich wheat feed is between 800～4000 μ g/kg, and organic selenium content ratio >=85%.
Preferably, the Se content of said Se-rich wheat particle is between 500～5000 μ g/kg, and organic selenium content ratio >=85%.
Preferably, said Se-rich wheat particle grain size is at 0.5～5mm.
Preferably, said Se-rich wheat particle grain size is at 2～3 millimeters.
The present invention also provides a kind of preparation method of Se-rich wheat feed, it is characterized in that said method comprising the steps of:
(1) obtain the step of Se-rich wheat: through when the wheat cultivation, apply Tanaka 3～30 kilograms every mu the nanometer selenium plant nutrient agent as the method plantation Se content of base manure between 500～5000 μ g/kg, organic selenium ratio surpasses 80% Se-rich wheat;
(2) step of formation Se-rich wheat feed: the Se-rich wheat that step (1) obtains is pulverized after screening, sneaked into acceptable carrier on the bromatology again, form the Se-rich wheat feed through granulating.
Another purpose of the present invention is to provide the application of a kind of Se-rich wheat feed as the feed product aspect of culture of Chinese mitten crab.
Acceptable carrier includes but not limited to solvent, dispersant, coating agent, stabilizing agent, flavor enhancement, lubricant, adhesive or the like on the bromatology.These carriers can carry out the adjustment of composition according to the difference of raising object, are starch (flour) as the common instance of carrier.
The present invention relates to feed, particularly relate to a kind of Se-rich wheat feed of cultivating rich selenium crab, and the production method of this kind Se-rich wheat feed, feed and technical field of aquaculture belonged to.
The invention solves culture of Chinese mitten crab in the prior art because the deficiency of Se content in the crab feed, and add poor stability, inorganic selenium that toxic and side effect is bigger causes problems such as environmental pollution.
Se-rich wheat feed of the present invention can be used as the mode of throwing something and feeding of optimizing, and Se-rich wheat is pulverized the rear section substitute the flour in the river crab complete feed, processes the full price Se-enriched feedstuff.
Pass through among the preparation method of the present invention when wheat cultivation, the nanometer selenium plant nutrient agent that applies 3～30 kilograms every mu Tanaka is planted Se content between 500～5000 μ g/kg as the method for base manure, and organic selenium ratio surpasses 70% Se-rich wheat; The Se-rich wheat that then said method is obtained is pulverized after screening, and the part flour that substitutes in the river crab full-valence pellet feed again is made into rich selenium feed for river crab.
The present invention provides a kind of natural selenium-rich wheatfeed, total Se content 500-5000 μ g/kg, and the ratio of organic selenium >=70% wherein; With respect to common wheat; The total Se content of this Se-rich wheat has improved several times to tens times, can obviously improve the selemium nutrition level of river crab, increases output and survival rate; This natural selenium-rich wheatfeed has also increased the palatability of wheat, has significantly reduced the waste of wheat.
The nanometer selenium plant nutrient agent adopts Suzhou selenium paddy Science and Technology Ltd. to produce in the technical scheme of the present invention, and model is the cultivation that the nanometer selenium plant nutrient agent of XGP001A can be realized Se-rich wheat.Its production method is: before wheat 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, 3～30 kilograms of every mu of nanometer selenium plant nutrient agent consumptions as base manure.Necessary fertilizer is meant in order to satisfy macroelement fertilizer that the Se-rich wheat growth needs applies or fertilizer etc.After the Se-rich wheat results, sterilization forms standard product---Se-rich wheat feed again after refiner is selected, and the part flour that a part of the said goods substitutes in the full price crab pellet is processed the Se-rich wheat feed.
The production method of natural selenium-rich wheatfeed provided by the invention mainly may further comprise the steps:
1. Se-rich wheat is cultivated: when wheat cultivation; (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent; Model is XGP001A) apply Tanaka as base manure with 3～30 kilograms every mu consumption, apply the nanometer selenium plant nutrient agent after, in conjunction with normal water and fertilizer management; The inorganic selenium that wheat is absorbed is converted into multiple selenium-containing biological molecular nutrition material through photosynthesis, thereby cultivates the Se-rich wheat that steady quality is rich in organic selenium.When ripe, the total Se content of wheat is controlled between 500～5000 μ g/kg, and wherein organic selenium ratio surpasses 70%.
2. select materials: should select full grains, pure, the no insect pest of color and luster, not have the wheat that goes mouldy.
3. granulate: the part flour that a part of the said goods substitutes in the full price crab pellet is processed rich selenium crab pellet.
Be rich in the selenium element in the Se-rich wheat feed provided by the invention, and selenium is that main memory exists with organic selenium form, helps absorption and the conversion of river crab to selenium, can improve the Se content of river crab edible part and reduce the river crab death rate increases output.
With respect to scheme of the prior art, advantage of the present invention is:
1, the present invention provides a kind of natural Se-rich wheat feed, is rich in the selenium element useful to animal, can improve crab immunity, survival rate and output greatly.
2, the present invention provides a kind of preparation method of rich selenium full price feed for river crab, and is easy to use, can also promote the absorption of river crab to other composition in the feed, improved the utilization rate of feed, improves river crab survival rate and output simultaneously.
The specific embodiment
Below in conjunction with specific embodiment such scheme is further specified.Should be understood that these embodiment are used to the present invention is described and are not limited to limit scope of the present 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
When wheat cultivation; (Suzhou selenium paddy Science and Technology Ltd. produces with the nanometer selenium plant nutrient agent; Model is XGP001A) apply Tanaka as base manure with 3～30 kilograms every mu consumption, apply the nanometer selenium plant nutrient agent after, in conjunction with normal water and fertilizer management; The inorganic selenium that wheat is absorbed is converted into multiple selenium-containing biological molecular nutrition material through photosynthesis, thereby cultivates the Se-rich wheat that steady quality is rich in organic selenium.When ripe, the total Se content of wheat is controlled between 500～5000 μ g/kg, and wherein organic selenium ratio surpasses 70%.
With Se content is that Se-rich wheat particle about 500 μ g/kg forms standard product---Se-rich wheat feed after impurity elimination is selected, and wherein organic selenium content is 72.3%.
In certain culture of Chinese mitten crab base, with above-mentioned Se-rich wheat feedstuff feeding river crab, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 20 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common wheat of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 2% than control group, and output improves about 3% than control group, and final river crab edible part Se content is high by about 12% than the control group river crab.
Embodiment 2
The cultivation of Se-rich wheat is said as embodiment 1.
With Se content is that Se-rich wheat particle about 1000 μ g/kg forms standard product---Se-rich wheat feed after impurity elimination is selected, and wherein organic selenium content is 77.6%.
In certain culture of Chinese mitten crab base, with above-mentioned Se-rich wheat feedstuff feeding river crab, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 20 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common wheat of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 3% than control group, and output improves about 5% than control group, and final river crab edible part Se content is high by about 20% than the control group river crab.
Embodiment 3
The cultivation of Se-rich wheat is said as embodiment 1.
With Se content is that Se-rich wheat particle about 2000 μ g/kg forms standard product---Se-rich wheat feed after impurity elimination is selected, and wherein organic selenium content is 80.6%.
In certain culture of Chinese mitten crab base, with above-mentioned Se-rich wheat feedstuff feeding river crab, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 20 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common wheat of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 4% than control group, and output improves about 8% than control group, and final river crab edible part Se content is high by about 40% than the control group river crab.
Embodiment 4
The cultivation of Se-rich wheat is said as embodiment 1.
With Se content is that Se-rich wheat particle about 3000 μ g/kg forms standard product---Se-rich wheat feed after impurity elimination is selected, and wherein organic selenium content is 83.2%.
In certain culture of Chinese mitten crab base, with above-mentioned Se-rich wheat feedstuff feeding river crab, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 20 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common wheat of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 5% than control group, and output improves about 10% than control group, and final river crab edible part Se content is high by about 70% than the control group river crab.
Embodiment 5
The cultivation of Se-rich wheat is said as embodiment 1.
With Se content is that Se-rich wheat particle about 4000 μ g/kg forms standard product---Se-rich wheat feed after impurity elimination is selected, and wherein organic selenium content is 84.7%.
In certain culture of Chinese mitten crab base, with above-mentioned Se-rich wheat feedstuff feeding river crab, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 20 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common wheat of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 8% than control group, and output improves about 15% than control group, and final river crab edible part Se content is high by about 100% than the control group river crab.
Embodiment 6
The cultivation of Se-rich wheat is said as embodiment 1.
With Se content is that Se-rich wheat particle about 5000 μ g/kg forms standard product---Se-rich wheat feed after impurity elimination is selected, and wherein organic selenium content is 89.6%.
In certain culture of Chinese mitten crab base, with above-mentioned Se-rich wheat feedstuff feeding river crab, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 20 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common wheat of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 3% than control group; Output improves about 5% than control group; Final river crab edible part Se content is high by about 120% than the control group river crab, has the part river crab symptom of selenosis to occur.
Confirm that through embodiment 1～embodiment 6 under 20 kilograms of feeding volumes, the wheat of 4000 μ g/kg Se contents is to the survival rate of river crab and the increase best results of output.
In addition, can with the Se-rich wheat particle substitute the river crab complete feed (in the complete feed flour addition account for gross weight about 20%) in part flour prepare the rich selenium feed for river crab of full price and carry out the breed of river crab, specific embodiment is following:
Embodiment 7
With Se content be about 500 μ g/kg, organic selenium accounting is that the flour that 75% Se-rich wheat substitutes in river crab complete feed production process after impurity elimination is selected is wherein processed the rich selenium feed for river crab of full price as the Se-rich wheat feed; Wherein the Se-rich wheat particle accounts for 15% of feed gross weight.
In certain culture of Chinese mitten crab base, with the above-mentioned rich selenium complete feed river crab of throwing something and feeding, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 100 kilograms of (amounting to 20 kilograms of Se-rich wheats) to the river crabs of the said goods of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common river crab complete feed of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 3% than control group, and output improves about 5% than control group, and final river crab edible part Se content is high by about 20% than the control group river crab.
Embodiment 8
With Se content be about 1000 μ g/kg, organic selenium accounting be 80% the flour that after impurity elimination is selected, in river crab complete feed production process, substitutes wherein of Se-rich wheat process the rich selenium feed for river crab of full price as the Se-rich wheat feed; Wherein the Se-rich wheat particle accounts for 16% of feed gross weight.
In certain culture of Chinese mitten crab base, with the above-mentioned rich selenium complete feed river crab of throwing something and feeding, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 100 kilograms of (amounting to 20 kilograms of Se-rich wheats) to the river crabs of the said goods of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common river crab complete feed of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 4% than control group, and output improves about 7% than control group, and final river crab edible part Se content is high by about 30% than the control group river crab.
Embodiment 9
With Se content be about 2000 μ g/kg, organic selenium accounting be about 85% the flour that after impurity elimination is selected, in river crab complete feed production process, substitutes wherein of Se-rich wheat process the rich selenium feed for river crab of full price as the Se-rich wheat feed; Wherein the Se-rich wheat particle accounts for 18% of feed gross weight.
In certain culture of Chinese mitten crab base, with the above-mentioned rich selenium complete feed river crab of throwing something and feeding, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 100 kilograms of (amounting to 20 kilograms of Se-rich wheats) to the river crabs of the said goods of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common river crab complete feed of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 5.5% than control group, and output improves about 9% than control group, and final river crab edible part Se content is high by about 55% than the control group river crab.
Embodiment 10
With Se content be about 3000 μ g/kg, organic selenium accounting be about 85% the flour that after impurity elimination is selected, in river crab complete feed production process, substitutes wherein of Se-rich wheat process the rich selenium feed for river crab of full price as the Se-rich wheat feed; Wherein the Se-rich wheat particle accounts for 14% of feed gross weight.
In certain culture of Chinese mitten crab base, with the above-mentioned rich selenium complete feed river crab of throwing something and feeding, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 100 kilograms of (amounting to 20 kilograms of Se-rich wheats) to the river crabs of the said goods of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common river crab complete feed of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 7% than control group, and output improves about 12% than control group, and final river crab edible part Se content is high by about 80% than the control group river crab.
Embodiment 11
With Se content be about 4000 μ g/kg, organic selenium accounting be about 90% the flour that after impurity elimination is selected, in river crab complete feed production process, substitutes wherein of Se-rich wheat process the rich selenium feed for river crab of full price as the Se-rich wheat feed; Wherein the Se-rich wheat particle accounts for 18% of feed gross weight.
In certain culture of Chinese mitten crab base, with the above-mentioned rich selenium complete feed river crab of throwing something and feeding, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 100 kilograms of (amounting to 20 kilograms of Se-rich wheats) to the river crabs of the said goods of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common river crab complete feed of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 8% than control group, and output improves about 16% than control group, and final river crab edible part Se content is high by about 100% than the control group river crab.
Embodiment 12
With Se content be about 5000 μ g/kg, organic selenium accounting be about 80% the flour that after impurity elimination is selected, in river crab complete feed production process, substitutes wherein of Se-rich wheat process the rich selenium feed for river crab of full price as the Se-rich wheat feed; Wherein the Se-rich wheat particle accounts for 19% of feed gross weight.
In certain culture of Chinese mitten crab base, with the above-mentioned rich selenium complete feed river crab of throwing something and feeding, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 100 kilograms of (amounting to 20 kilograms of Se-rich wheats) to the river crabs of the said goods of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common river crab complete feed of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 7% than control group, and output improves about 14% than control group, and final river crab edible part Se content is high by about 110% than the control group river crab.
Embodiment 2
With Se content is that Se-rich wheat particle about 1000 μ g/kg forms standard product---Se-rich wheat feed, wherein organic selenium content >=70% after impurity elimination is selected.
In certain culture of Chinese mitten crab base, with above-mentioned Se-rich wheat feedstuff feeding river crab, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 20 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common wheat of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 3% than control group, and output improves about 5% than control group, and final river crab edible part Se content is high by about 20% than the control group river crab.
Embodiment 3
With Se content is that Se-rich wheat particle about 2000 μ g/kg forms standard product---Se-rich wheat feed, wherein organic selenium content >=70% after impurity elimination is selected.
In certain culture of Chinese mitten crab base, with above-mentioned Se-rich wheat feedstuff feeding river crab, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 20 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common wheat of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 4% than control group, and output improves about 8% than control group, and final river crab edible part Se content is high by about 40% than the control group river crab.
Embodiment 4
With Se content is that Se-rich wheat particle about 3000 μ g/kg forms standard product---Se-rich wheat feed, wherein organic selenium content >=70% after impurity elimination is selected.
In certain culture of Chinese mitten crab base, with above-mentioned Se-rich wheat feedstuff feeding river crab, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 20 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common wheat of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 5% than control group, and output improves about 10% than control group, and final river crab edible part Se content is high by about 70% than the control group river crab.
Embodiment 5
With Se content is that Se-rich wheat particle about 4000 μ g/kg forms standard product---Se-rich wheat feed, wherein organic selenium content >=70% after impurity elimination is selected.
In certain culture of Chinese mitten crab base, with above-mentioned Se-rich wheat feedstuff feeding river crab, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 20 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common wheat of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 8% than control group, and output improves about 15% than control group, and final river crab edible part Se content is high by about 100% than the control group river crab.
Embodiment 6
With Se content is that Se-rich wheat particle about 5000 μ g/kg forms standard product---Se-rich wheat feed, wherein organic selenium content >=70% after impurity elimination is selected.
In certain culture of Chinese mitten crab base, with above-mentioned Se-rich wheat feedstuff feeding river crab, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 20 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common wheat of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 3% than control group; Output improves about 5% than control group; Final river crab edible part Se content is high by about 120% than the control group river crab, has the part river crab symptom of selenosis to occur.
The foregoing description explanation, under 20 kilograms of feeding volumes, the wheat of 4000 μ g/kg Se contents is to the survival rate of river crab and the increase best results of output.Below Se-rich wheat is substituted flour in the river crab complete feed (account for according to flour in the complete feed 20% addition) and carry out embodiment.
Embodiment 7
With Se content be about 500 μ g/kg, organic selenium accounting processes the rich selenium feed for river crab of full price---Se-rich wheat feed greater than the flour that 70% Se-rich wheat substitutes wherein in river crab complete feed production process after impurity elimination is selected.
In certain culture of Chinese mitten crab base, with the above-mentioned rich selenium complete feed river crab of throwing something and feeding, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 100 kilograms of (amounting to 20 kilograms of Se-rich wheats) to the river crabs of the said goods of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common river crab complete feed of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 3% than control group, and output improves about 5% than control group, and final river crab edible part Se content is high by about 20% than the control group river crab.
Embodiment 8
With Se content be about 1000 μ g/kg, organic selenium accounting processes the rich selenium feed for river crab of full price---Se-rich wheat feed greater than the flour that 70% Se-rich wheat substitutes wherein in river crab complete feed production process after impurity elimination is selected.
In certain culture of Chinese mitten crab base, with the above-mentioned rich selenium complete feed river crab of throwing something and feeding, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 100 kilograms of (amounting to 20 kilograms of Se-rich wheats) to the river crabs of the said goods of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common river crab complete feed of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 4% than control group, and output improves about 7% than control group, and final river crab edible part Se content is high by about 30% than the control group river crab.
Embodiment 9
With Se content be about 2000 μ g/kg, organic selenium accounting processes the rich selenium feed for river crab of full price---Se-rich wheat feed greater than the flour that 70% Se-rich wheat substitutes wherein in river crab complete feed production process after impurity elimination is selected.
In certain culture of Chinese mitten crab base, with the above-mentioned rich selenium complete feed river crab of throwing something and feeding, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 100 kilograms of (amounting to 20 kilograms of Se-rich wheats) to the river crabs of the said goods of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common river crab complete feed of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 5.5% than control group, and output improves about 9% than control group, and final river crab edible part Se content is high by about 55% than the control group river crab.
Embodiment 10
With Se content be about 3000 μ g/kg, organic selenium accounting processes the rich selenium feed for river crab of full price---Se-rich wheat feed greater than the flour that 70% Se-rich wheat substitutes wherein in river crab complete feed production process after impurity elimination is selected.
In certain culture of Chinese mitten crab base, with the above-mentioned rich selenium complete feed river crab of throwing something and feeding, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 100 kilograms of (amounting to 20 kilograms of Se-rich wheats) to the river crabs of the said goods of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common river crab complete feed of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 7% than control group, and output improves about 12% than control group, and final river crab edible part Se content is high by about 80% than the control group river crab.
Embodiment 11
With Se content be about 4000 μ g/kg, organic selenium accounting processes the rich selenium feed for river crab of full price---Se-rich wheat feed greater than the flour that 70% Se-rich wheat substitutes wherein in river crab complete feed production process after impurity elimination is selected.
In certain culture of Chinese mitten crab base, with the above-mentioned rich selenium complete feed river crab of throwing something and feeding, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 100 kilograms of (amounting to 20 kilograms of Se-rich wheats) to the river crabs of the said goods of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common river crab complete feed of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 8% than control group, and output improves about 16% than control group, and final river crab edible part Se content is high by about 100% than the control group river crab.
Embodiment 12
With Se content be about 5000 μ g/kg, organic selenium accounting processes the rich selenium feed for river crab of full price---Se-rich wheat feed greater than the flour that 70% Se-rich wheat substitutes wherein in river crab complete feed production process after impurity elimination is selected.
In certain culture of Chinese mitten crab base, with the above-mentioned rich selenium complete feed river crab of throwing something and feeding, routine observation river crab upgrowth situation is investigated river crab death rate situation.The ripe listing of 100 kilograms of (amounting to 20 kilograms of Se-rich wheats) to the river crabs of the said goods of throwing something and feeding in every mu of whole breeding process of pool mouth, the control group common river crab complete feed of throwing something and feeding.River crab is ripe after river crab survival rate and output are added up: the river crab survival rate improves about 7% than control group, and output improves about 14% than control group, and final river crab edible part Se content is high by about 110% than the control group river crab.
Embodiment 13
With Se content is assorted clearly, the mixing of Se-rich wheat about 4000 μ g/kg, pulverizes, and processes particle diameter and be 1 millimeter particle, sieves, and the sterilization back forms standard product---Se-rich wheat feed, and wherein organic selenium content is 85.1%.
In certain culture of Chinese mitten crab base; With above-mentioned Se-rich wheat crab feedstuff feeding river crab; Through fixed point observation, river crab is high by about 25% than control group (common wheat of throwing something and feeding) to the grazing rate on the same day of product, the ripe listing of 40 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth; River crab output improves about 18% than control group, and the river crab edible part Se content that finally grows up to is higher by about 70% than common river crab.
Embodiment 14
With Se content is assorted clearly, the mixing of Se-rich wheat about 4000 μ g/kg, pulverizes, and processes particle diameter and be 3 millimeters particle, sieves, and the sterilization back forms standard product---Se-rich wheat feed, and wherein organic selenium content is 85.1%.
In certain culture of Chinese mitten crab base; With above-mentioned Se-rich wheat crab feedstuff feeding river crab; Through fixed point observation, river crab is high by about 25% than control group (common wheat of throwing something and feeding) to the grazing rate on the same day of product, the ripe listing of 40 kilograms of the said goods to the river crab of throwing something and feeding in every mu of whole breeding process of pool mouth; River crab output improves about 18% than control group, and the river crab edible part Se content that finally grows up to is higher by about 110% than common river crab.
Above-mentioned instance only is explanation technical conceive of the present invention and characteristics, and its purpose is to let 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 equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (10)
1. a Se-rich wheat feed is characterized in that said Se-rich wheat feed comprises acceptable carrier on Se-rich wheat particle and the bromatology, and the Se content of said Se-rich wheat feed is between 500～5000 μ g/kg, and organic selenium content ratio >=70%.
2. Se-rich wheat feed according to claim 1, the Se content that it is characterized in that said Se-rich wheat feed is between 500～5000 μ g/kg, and organic selenium content ratio >=80%.
3. Se-rich wheat feed according to claim 1, the Se content that it is characterized in that said Se-rich wheat feed is between 600～5000 μ g/kg, and organic selenium content ratio >=80%.
4. Se-rich wheat feed according to claim 1, the Se content that it is characterized in that said Se-rich wheat feed is between 700～4000 μ g/kg, and organic selenium content ratio >=80%.
5. Se-rich wheat feed according to claim 1, the Se content that it is characterized in that said Se-rich wheat feed is between 800～4000 μ g/kg, and organic selenium content ratio >=85%.
6. Se-rich wheat feed according to claim 1, the Se content that it is characterized in that said Se-rich wheat particle is between 500～5000 μ g/kg, and organic selenium content ratio >=80%.
7. Se-rich wheat feed according to claim 1 is characterized in that said Se-rich wheat particle grain size is at 0.5～5mm.
8. Se-rich wheat feed according to claim 1 is characterized in that said Se-rich wheat particle grain size is at 2～3 millimeters.
9. the preparation method of the described Se-rich wheat feed of claim 1 is characterized in that said method comprising the steps of:
(1) obtain the step of Se-rich wheat: through when the wheat cultivation, apply Tanaka 3 ~ 30 kilograms every mu the nanometer selenium plant nutrient agent as the method plantation Se content of base manure between 500～5000 μ g/kg, organic selenium ratio surpasses 80% Se-rich wheat;
(2) step of formation Se-rich wheat feed: the Se-rich wheat that step (1) obtains is pulverized after screening, sneaked into acceptable carrier on the bromatology again, form the Se-rich wheat feed through granulating.
10. the described Se-rich wheat feed of claim 1 is as the application of the feed product aspect of culture of Chinese mitten crab.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102771675A (en) * | 2012-08-15 | 2012-11-14 | 苏州硒谷科技有限公司 | Organic-selenium-rich turtle feed for improving turtle immunity |
| CN103843563A (en) * | 2014-02-25 | 2014-06-11 | 安徽硒谷生物科技有限公司 | Production method of selenium-rich wheat meal |
| CN104431311A (en) * | 2014-09-15 | 2015-03-25 | 全椒井府富硒生态牧业有限公司 | Selenium-enriched feed |
| CN104488785A (en) * | 2014-12-09 | 2015-04-08 | 兴化市科兴水产养殖专业合作社 | Feeding method of selenium-rich crabs |
| CN106509639A (en) * | 2016-11-18 | 2017-03-22 | 扬州名佳食品有限公司 | Selenium-enriched wheat planting method, and selenium-enriched wheat flour preparation method |
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| CN101791081A (en) * | 2009-12-31 | 2010-08-04 | 苏州硒谷科技有限公司 | Selenium-enriched rice and production method thereof |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN101791081A (en) * | 2009-12-31 | 2010-08-04 | 苏州硒谷科技有限公司 | Selenium-enriched rice and production method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102771675A (en) * | 2012-08-15 | 2012-11-14 | 苏州硒谷科技有限公司 | Organic-selenium-rich turtle feed for improving turtle immunity |
| CN103843563A (en) * | 2014-02-25 | 2014-06-11 | 安徽硒谷生物科技有限公司 | Production method of selenium-rich wheat meal |
| CN104431311A (en) * | 2014-09-15 | 2015-03-25 | 全椒井府富硒生态牧业有限公司 | Selenium-enriched feed |
| CN104488785A (en) * | 2014-12-09 | 2015-04-08 | 兴化市科兴水产养殖专业合作社 | Feeding method of selenium-rich crabs |
| CN106509639A (en) * | 2016-11-18 | 2017-03-22 | 扬州名佳食品有限公司 | Selenium-enriched wheat planting method, and selenium-enriched wheat flour preparation method |
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Application publication date: 20120125 |