Background technology
In recent years, because the world food shortage causes supply of forage day to be becoming tight, it is apparent that especially the deflation of high protein feed resource exceedes invention.Therefore, how other unconventional protein resource of development and utilization just becomes the focus that the researcher more and more pays close attention to.Discover; Because alcohol is poor and the dry thing of raffinate (distillers dried grains with solubles; DDGS) protein content is high, nutritive value is complete; And output is big, cheap, security is good, can be used as the feedstuff of various domestic animal Cheap highly effectives, in aquaculture, has obtained extensive studies in recent years.
DDGS (maize alcohol stillage and DDGS thereof) mainly is meant the symbiosis product that forms through low temperature drying with the remaining ferment residue behind corn seed and selected yeast for fermentation production alcohol fuel and the carbon dioxide; It is to have concentrated the mixture of other nutritional labelings (like albumen, fat, vitamin etc.) except starch and sugar in the corn; It comprises DDS (solvable dry alcohol groove; Distillers Dried Solubles) and DDG (dry alcohol groove, Distillers Dried Grains) two parts.Therefore, its nutritive value compare with former corn kernel have low starch, high protein, height can digest many characteristics such as fiber and high effective phosphorus.
DDGS has kept the nutritional labelings such as protein of former cereal to greatest extent, has increased significantly than former cereal on the quality.DDGS is the high-quality protein raw material, its amino acid content and can digest amino acid content, protein all than higher about 28%, lysine 1.3%, methionine 0.6%.Protein occupies special status in Animal nutrition, its trophism is that other nutriments are irreplaceable.
The fat content of DDGS is higher, generally can reach 9%~13%, and moisture is lower than 11%, have advantages such as long preservation is not gone mouldy, high temperature does not become sour, and all kinds of fatty acid proportions is suitable in the fat, and good adaptability is arranged.Linoleic acid content is higher among the DDGS, can reach 2.3%, is the good source of essential fatty acids linoleic.
DDGS during the fermentation, bacterial decomposition the part cellulose, destroyed the tight structure between cellulose and the lignin simultaneously, the utilization rate of its fibre composition is improved, improved its biological value.The fibrous substance content of DDGS is relevant with its quality, is generally 7.1%-8.0%.
Practitioner such as Guo Liang, Guo Hao or scholar discover, nonprotein nitrogen and the phosphorus content of DDGS are higher, and its phosphorus content is 0.94%-1.21%, and calcium is 0.2% ~ 0.4%.Shurson (2002) is reported in and adds the consumption that DDGS can save calcium monohydrogen phosphate in the daily ration, thereby reduces feed cost.
Contain a large amount of yeast thalline among the DDGS, B family vitamin content is abundant.In addition, the UGF that produces in the fermentation, saccharide, yeast etc. are very favourable to growth of animal.
Owing to incorporated the nutritional labeling and the active factors of saccharification song and yeast among the DDGS, thereby it is the high-quality protein feed raw material of a kind of high protein, high nutrition, no any ANFs.
The appearance color of DDGS wherein, is saffron its smell and nutrient better performances from the crocus to the peony.It is because the difference of its lysine level that contains causes that DDGS presents various luster.DDGS is the good source of protein, fat, vitamin and mineral matter, and contains UGF.The main feature of corn DDGS feed is that low starch, high protein, height can digest fiber and high effective phosphorus, and it can be widely used in during herding produces.
Only rest on the aspect to the digestion of ox, pig for DDGS mostly in the research aspect the feed, what be used for that poultry studies is less.This has influenced the application of DDGS in poultry production to a certain extent.For poultry, DDGS is poultry first limiting amino acid--the fine source of methionine also is the fine source of poultry essential fatty acid simultaneously.The evaluation definite and feed nutritive value of poultry protein requirement all will be considered the level of essential amino acid in the daily ration; Each seed amino acid all will balance each other with the needs of the best level of production of feeding animal in quantity and ratio in the diet; Guarantee effective utilization of essential amino acid, improve the conversion ratio of diet protein.And DDGS produces the later product of wine through culture propagation, and it has passed through the conversion process of vegetable protein to microprotein, thereby the protein of DDGS has more the quality that is fit to the Animal nutrition needs.The higher fatty acid characteristic of DDGS also has very important meaning concerning poultry, it not only can offer the enough essential fatty acids of poultry, and can satisfy poultry early growth and the egg-laying peak needs to energy as anakinetomer.Zhang Yanming, Zhen Erying etc. find in the alternative dregs of beans of forming with DDGS and rapeseed dregs is fed the experimental study of laying hen: compare with control group, the chicken body weight of the DDGS mixed feed group of feeding increases by 0.22%, 3.5% and 0.84% respectively; Laying rate improves 3.7%, 1.9% and 1.3% respectively; Daily material consumption reduces by 3.3%, 4.8% and 3.9% respectively; Feedstuff-egg ratio reduces by 3.3%, 3.8% and 3.3% respectively.
DDGS also is the source of poultry essential fatty acids linoleic, and linoleic acid is the essential fatty acid of poultry, participates in the synthetic and metabolism of fat, and energy is in liberal supply, helps the protein metabolism in the poultry body, thereby increases egg size; Energy is under-supply, and egg production descends.Therefore, DDGS cooperates the feed that can become kind of chicken and laying hen with other feeds.Li Hengxin is worth the conventional nutrient crude protein, crude fat, crude fibre, calcium, the phosphorus content that record DDGS in the evaluation at laying hen nutrition and is respectively 40.00%, 8.60%, 7.45%, 0.10%; Wherein, Crude fibre and crude fat content are a little more than dregs of beans; All the other nutrient contents and dregs of beans are suitable, and research has shown that DDGS can partly replace dregs of beans to be used among the laying hen production; Shurson (2002) is reported in and adds the consumption that DDGS can save calcium monohydrogen phosphate in the daily ration; Simultaneously; Another research of being undertaken by Nick doctor Dale of University of Minnesota and other researchers shows; Nutrient that DDGS contains and digestibility make it can be used as the effective constitutive material in the poultry diet.
In the U.S., producer is on the increase along with fuel ethanol production, has every year a large amount of DDGS products to infeed domestic market and international market.According to the up-to-date report of fuel association, the DDGS that the U.S. produced in 2006 amounts up to 8,500,000 t, estimates that 2010 annual productions can be increased to 3 600 ten thousand t.Therefore, be applied in the animal and fowl fodder with being expected to greater amount.In China's ethanol industry long history is arranged, the eighties in 20th century is because the increasing sharply of China's corn yield, and causing with the corn is that the producer of raw material production ethanol develops rapidly.Simultaneously because corn ethanol coproduction DDGS as the enforcement of an industrial policy, has reached about 50% from the total ethanol output of maize raw material, therefore annual have a large amount of corn DDGS symbiosis products to produce.
Along with constantly skyrocketing of conventional cost of material instantly, break through conventional, attempt using unconventional quality raw materials for being engaged in the each side of culturing industry, be the behave of a win-win.
Summary of the invention
For a kind of proportioning science is provided; Make simple; The use of exploitation quality raw materials DDGS in the fleshy duck fodder prescription reduces the consumption of the conventional high protein raw material of shortage day by day with keen competition such as corn, dregs of beans, reduces feed cost; Meat duck growth performance is not had a negative impact simultaneously, the invention provides fleshy duck fodder of a kind of DDGS of containing and preparation method thereof.
In order to realize the foregoing invention purpose, the invention provides the fleshy duck fodder of a kind of DDGS of containing, wherein, various raw materials and percentage by weight thereof are in the said mixed feed: corn 40-52%, wheat 3-20%; Inferior powder 4-6%, maize germ cake 3-4%, corn protein powder 3-6%, DDGS1-15%, 46% dregs of beans 1.5-5%; Peanut meal 3-5%, feather meal 1-2%, grease 0.2-2%, salt 0.2-0.5%; Stone flour 1.2-1.4%, calcium monohydrogen phosphate 0.5-0.6%, 60% Choline Chloride 0.05-0.1%, 99% methionine 0.1-0.3%; 98% threonine 0.1-0.3%, 65% lysine 0.6-1%, betaine 0.02-0.1%, phytase 0.01-0.05%; Compound premix 0.01-0.05%, emulsifying agent 0-0.1%, vitamin premix 0.1-0.3%, microelement pre-mix material 0.1-0.3%; The percentage by weight sum of above-mentioned raw materials is 100%.
Various raw materials and percentage by weight thereof can also be preferably in the said mixed feed: corn 40-45%, wheat 10-20%, inferior powder 5-6%, maize germ cake 3-4%; Corn protein powder 3-4%, DDGS10-15%, 46% dregs of beans 1.5-3%, peanut meal 3-4%; Feather meal 1-1.5%, grease 1-2%, salt 0.3-0.5%, stone flour 1.3-1.4%; Calcium monohydrogen phosphate 0.5-0.55%, 60% Choline Chloride 0.08-0.1%, 99% methionine 0.1-0.2%, 98% threonine 0.1-0.2%; 65% lysine 0.8-1%, betaine 0.03-0.05%, phytase 0.01-0.03%, compound premix 0.01-0.03%; Emulsifying agent 0.05-0.1%, vitamin premix 0.1-0.2%, microelement pre-mix material 0.1-0.2%.
Various raw materials and percentage by weight thereof also can be preferably in the said mixed feed: corn 44.09%, wheat 20%, inferior powder 6%, maize germ cake 3%, corn protein powder 3.7%; DDGS10%, 46% dregs of beans 3%, peanut meal 3.8%, feather meal 1%, grease 1.5%; Salt 0.41%, stone flour 1.37%, calcium monohydrogen phosphate 0.52%, 60% Choline Chloride 0.08%; 99% methionine, 0.12%, 98% threonine, 0.11%, 65% lysine 0.88%, betaine 0.03%; Phytase 0.01%, compound premix 0.02%, vitamin premix 0.18%, microelement pre-mix material 0.18%.
Various raw materials and percentage by weight thereof can be preferably again in the said mixed feed: corn 40.64%, wheat 20%, inferior powder 6%, maize germ cake 3%, corn protein powder 3.3%; DDGS15%, 46% dregs of beans 1.5%, peanut meal 3.6%, feather meal 1%, grease 2%; Salt 0.41%, stone flour 1.375%, calcium monohydrogen phosphate 0.515%, 60% Choline Chloride 0.08%, 99% methionine 0.12%; 98% threonine, 0.11%, 65% lysine 0.88%, betaine 0.03%, phytase 0.01%; Compound premix 0.02%, emulsifying agent 0.05%, vitamin premix 0.18%, microelement pre-mix material 0.18%.
Said vitamin premix is the B B-complex premixed feed LV62 that Qingdao and U.S. feed corporation,Ltd produce.
Said microelement pre-mix material is that the fowl that Qingdao friend and feed corporation,Ltd produce is used composite trace element premix M-P.
Said compound premix is the livestock and poultry compound premix ZP that trial (demonstration) plant, chemical industry feed addictive engineering center produces.
In order better to realize the foregoing invention purpose, the present invention also provides the preparation method of the fleshy duck fodder of a kind of DDGS of containing, and its preparation method comprises:
Take by weighing raw material by above-mentioned percentage by weight;
Drop into pulverizer and pulverize, grinding screen sheet aperture is 2.0mm-2.5mm;
Mix.
Can further include: granulate down at 75-85 ℃, make its gelatinization degree reach 40%.
May further include again: drop in the disintegrating machine and carry out fragmentation, particle size after cracking is the 6-10 order.
The beneficial effect that technical scheme provided by the invention is brought is: the proportioning science, make simply, and in the fleshy duck fodder prescription, adopted quality raw materials DDGS; Reduce the consumption of the conventional high protein raw material of shortage day by day with keen competition such as corn, dregs of beans, reduced feed cost, satisfied the nutritional need of meat duck growth simultaneously; Meat duck growth performance is not had a negative impact, improve the muscle rate, reduce abdomen fat rate; Obviously improve meat quality, increase the market competitiveness, and safety; Easy to use, the rate of animals delivered to the slaughter-house is high, has created good social and has been worth and economic interests.
The specific embodiment
In order to reduce the consumption of the conventional high protein raw material of shortage day by day with keen competition such as corn, dregs of beans; Reduce feed cost; Meat duck growth performance is not had a negative impact simultaneously; The embodiment of the invention adopts unconventional high protein resource, and promptly DDGS has made the fleshy duck fodder prescription that can reduce conventional high protein raw material consumptions such as corn, dregs of beans.
Embodiment 1:
A kind of fleshy duck fodder that contains DDGS, wherein, various raw materials and percentage by weight thereof are in the mixed feed: corn 44.09%, wheat 20%, inferior powder 6%; Maize germ cake 3%, corn protein powder 3.7%, DDGS10%, 46% dregs of beans 3%, peanut meal 3.8%; Feather meal 1%, grease 1.5%, salt 0.41%, stone flour 1.37%, calcium monohydrogen phosphate 0.52%; 60% Choline Chloride, 0.08%, 99% methionine, 0.12%, 98% threonine, 0.11%, 65% lysine 0.88%, betaine 0.03%; Phytase 0.01%, compound premix 0.02%, vitamin premix 0.18%, microelement pre-mix material 0.18%.
Wherein, vitamin premix is the B B-complex premixed feed LV62 (LV62 is a trade name) that Qingdao and U.S. feed corporation,Ltd produce; Microelement pre-mix material be Qingdao friend with the fowl of feed corporation,Ltd production with composite trace element premix M-P (M-P is a trade name); Compound premix is the compound compound premix ZP of livestock and poultry (ZP is a trade name, is Fu Xinkang again) that trial (demonstration) plant, chemical industry (whole nation) feed addictive engineering center produces;
DDGS is preferably: 15% maize alcohol lees is U.S. import DDGS.Its nutritional labeling is seen table 1.
The table 1:DDGS nutritional labeling mean value and the coefficient of variation
Embodiment 2:
A kind of fleshy duck fodder that contains DDGS, wherein, various raw materials and percentage by weight thereof are in the mixed feed: corn 40.64%, wheat 20%, inferior powder 6%; Maize germ cake 3%, corn protein powder 3.3%, DDGS15%, 46% dregs of beans 1.5%, peanut meal 3.6%; Feather meal 1%, grease 2%, salt 0.41%, stone flour 1.375%, calcium monohydrogen phosphate 0.515%; 60% Choline Chloride, 0.08%, 99% methionine, 0.12%, 98% threonine, 0.11%, 65% lysine 0.88%, betaine 0.03%; Phytase 0.01%, compound premix 0.02%, emulsifying agent 0.05%, vitamin premix 0.18%, microelement pre-mix material 0.18%.
Wherein, vitamin premix is the B B-complex premixed feed LV62 (LV62 is a trade name) that Qingdao and U.S. feed corporation,Ltd produce; Microelement pre-mix material be Qingdao friend with the fowl of feed corporation,Ltd production with composite trace element premix M-P (M-P is a trade name); Compound premix is the livestock and poultry compound premix ZP (ZP is a trade name, is Fu Xinkang again) that trial (demonstration) plant, chemical industry (whole nation) feed addictive engineering center produces.
DDGS is preferably: 15% maize alcohol lees is U.S. import DDGS.Its nutritional labeling is seen table 1.
Simultaneously, the embodiment of the invention also provides the preparation method of the fleshy duck fodder of a kind of DDGS of containing, and its preparation process is:
Percentage by weight by embodiment 1 or embodiment 2 takes by weighing raw material;
Drop into pulverizer and pulverize, grinding screen sheet aperture is 2.0mm-2.5mm;
Mix.
Granulate down at 85 ℃, make its gelatinization degree reach 40%.
Drop in the disintegrating machine and carry out fragmentation, particle size after cracking is 8 orders.
The present invention who obtains according to above-mentioned percentage by weight and preparation method contains the fleshy duck fodder of DDGS; Through experimental analysis, the guarantee value of its nutritional labeling all is: metabolizable energy 2850 kilocalorie/kilograms, crude protein 17%, lysine 0.69%, methionine 0.31%, crude fibre≤6%, ash≤6%, salt content 0.30%, calcium content 0.8-1.0%, phosphorus content 0.3-0.6%.
Experiment:
The single factor experiment design is adopted in test.Material choice makes every effort to simple and unified during the prescription design, avoids because the inconsistent test error that causes of raw material as far as possible.
Experiment purpose: the influence of the DDGS of different proportion to conventional high protein raw material consumption added in research, and to the influence of meat duck production performance, carcass performance and economic benefit.
Experimental animal and grouping: the public mother of experiment selected 14 ages in days mixes 864 of cherry paddy meat ducklings, is divided into 4 processing at random, and each handles 6 repetitions, and each repeats 36 meat ducks, and first body weight guarantees basically identical.All divide into groups all by conventional feeding and management, and experimental period is 14~42 ages in days.
The test daily ration: daily ration divides 4 processing, is respectively control group (the DDGS addition is 0), processed group I (the DDGS addition is 5%); (the DDGS addition is 10% to the processed group II; Be the prescription of embodiment 1), processed group III (the DDGS addition is 15%, i.e. the prescription of embodiment 2).Four kinds of daily rations are all with reference to NRC meat duck feeding standard, and according to homenergic with etc. the protein component design, basal diet prescription of selecting for use such as table 2 (unit: weight portion).
Table 2 daily grain of meat duck is formed
Test period and place: tested on August 24th, 2010 to October 3 and six accomplish with company test duck factory in Shandong, wherein brood time is 10 days, 4 days preliminary experiment phases, positive 28 days experimental periods.
Raising condition and management: the meat duck is fed in open duck shed, adopts height bed bamboo chip to put down on the net and supports, and test this feed factory meat sold on the market duck of feeding early stage and expect in earlier stage normally to brood, and immune by normal immune programme for children.Duration of test natural lighting, free choice feeding and drinking-water.
Mensuration project: the situation of observing the duck crowd every day; When meat duck 14 and 42 ages in days, whole hurdle test duck being carried out empty stomach respectively weighs and adds up feed intake; To calculate daily gain (ADG), daily ingestion amount (ADFI), material anharmonic ratio (FCR) and average weight (BW) index, statistics respectively repeats death rate simultaneously.42 ages in days end, each repeats to extract 4 (public female half and half) and carries out slaughter experiment, measures it and butchers performance.
Economic and Efficiency Analysis: calculate meat duck weightening finish feed cost and every duck income according to feed cost and meat duck growth performance.
Statistical analysis: test data adopts the SPSS10.0 statistical software to carry out one-way analysis of variance (One-way ANOVA) and the multiple comparing check of Duncan ' s after with the Excel2003 preliminary treatment.The result representes that with average and standard error < 0.05 is significant difference to P.
Result and analysis:
1, different DDGS add the influence of the daily ration of level to meat duck production performance, see table 3.
The different DDGS of table 3 add the influence of the daily ration of level to meat duck production performance
Annotate: normal data, colleague's shoulder motes same letter represent difference not significantly (
P>0.05), the different alphabetical person of shoulder motes represent significant difference (
P<0.05).
Duration of test, every group of meat duck jumpbogroup is healthy, and appetite is no abnormal.Can be found out that by table 3 the DDGS addition is to meat duck weightening finish difference not significantly (P>0.05) in the daily ration, along with the increase of DDGS addition, feed intake has the trend of increase.Compare with control group, three processed group have all been improved the material anharmonic ratio of meat duck, and the material anharmonic ratio has reduced by 1.42%, 1.39% and 1.41% respectively.Wherein processed group I (5%DDGS) and processed group III (15%DDGS) and control group significant difference (P<0.05).In this test, the interpolation of DDGS is used, and is little to the survival rate influence of meat duck.
The evaluation definite and feed nutritive value of poultry protein requirement all will be considered the level of essential amino acid in the daily ration; Each seed amino acid all will balance each other with the needs of the best level of production of feeding animal in quantity and ratio in the diet; Guarantee effective utilization of essential amino acid, improve the conversion ratio of diet protein.And DDGS produces the later product of wine through culture propagation, and it has passed through the conversion process of vegetable protein to microprotein, thereby the protein of DDGS has more the quality that is fit to the Animal nutrition needs.The higher fatty acid characteristic of DDGS also has very important meaning concerning poultry, it not only can offer the enough essential fatty acids of poultry, and can satisfy poultry early growth and the egg-laying peak needs to energy as anakinetomer.This is the reason why processed group of adding DDGS can improve meat duck production performance.
2, different DDGS add the influence of the daily ration of level to meat duck economic benefit, see table 4.
Table 4: different DDGS add the influence of the daily ration of level to meat duck economic benefit
Notes: during every duck income calculation, meat duck price is by 7.8 yuan/kg, and newly-hatched duckling is by 3.8 yuan/, and average every duck expenses for medicine+vaccine is pressed 0.7 yuan of calculating, 0.9 yuan of other cost (coal electricity and manual work etc.).
Can find out by table 4,, make mixed feed cost per ton descend 10 yuan, 15 yuan and 24 yuan respectively through using quality raw materials DDGS.The feed cost processed group of per kilogram meat duck weightening finish all is better than control group; Descended 0.06 yuan respectively, 0.06 yuan and 0.1 yuan, this is because DDGS has reduced feed cost on the one hand; Also improve simultaneously production performance to a certain extent, made the weightening finish cost be minimized.Therefore, the profit level of every meat duck also is improved: with respect to control group, the profit of three processed group has increased by 0.19 yuan, 0.16 yuan and 0.35 yuan respectively.The raising of the reduction of feed cost and breed profit reduces cost for feed company and breed factory, increases competitiveness, obtains the better development space, has important practical significance undoubtedly.
3, the daily ration of different DDGS interpolation levels is seen table 5 to meat duck carcass Effect on Performance.
The daily ration that the different DDGS of table 5 add level is to meat duck carcass Effect on Performance
Annotate: normal data, colleague's shoulder motes same letter represent difference not significantly (
P>0.05), the different alphabetical person of shoulder motes represent significant difference (
P<0.05).
42 ages in days are butchered on an empty stomach, carry out carcass and measure.Can find out complete clean thorax rate, abdomen fat rate, three indexs of chest muscle rate, difference not significantly (P>0.05) between four groups by table 5.But the chest muscle rate has the trend that increases with the increase of DDGS level in the diet, processed group I, processed group II and handle the III comparison and you can well imagine high 6.3%, 4.8% and 9.5% according to component.Dressing percentage is on a declining curve along with the increase of DDGS addition, processed group III and control group significant difference (P 0.05).In the sebum rate, control group is the highest, compares significant difference (P < 0.05) with the processed group III with the processed group II, and processed group I, processed group II and the comparison of processed group III have reduced by 4.6%, 7.6% and 8.0% respectively according to group.In this test, the DDGS of three kinds of levels is applied to fleshy duck fodder, has all improved the chest muscle rate, has reduced abdomen fat rate and sebum rate, and this shows that DDGS can improve meat duck quality, thereby can improve the commodity value and the duck competitiveness of product in market of meat duck.
The experiment brief summary:
The present invention has developed a kind of unconventional high-quality protein raw material DDGS, can find the fleshy duck fodder of high DDGS content through testing us; Can reduce the consumption of conventional high protein raw materials such as corn, dregs of beans on the one hand, reduce feed cost, also improve production performance simultaneously to a certain extent; And improved meat duck quality, and reduce cost for feed company and breed factory, improve profitability; Increase competitiveness, have important practical significance undoubtedly.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.