CN108185145A - The composite feed additive and preparation method and purposes of sow gestation phase - Google Patents
The composite feed additive and preparation method and purposes of sow gestation phase Download PDFInfo
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- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
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- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
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- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
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- A23K20/00—Accessory food factors for animal feeding-stuffs
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- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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- A—HUMAN NECESSITIES
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Abstract
The present invention protects a kind of mixed feed premix material additive of sow gestation phase; it includes uridine monophosphate disodium 40-150 parts by weight; uridine 40-150 parts by weight; carrier 200-920 parts by weight; and NCG 180-300 parts by weight; glycin chelated iron 100-200 parts by weight, the carrier are any one or the mixture such as maltodextrin, starch, sepiolite.The present invention also protects the preparation method of the compound additive and its sow gestation phase feed of preparation.Premix material additive of the present invention only need it is micro make an addition in feed, can improve reproductive performance, reduce still birth rate, reduce the diarrhea rate of piglet, have broad application prospects.
Description
Technical field
The present invention relates to the mixed feed premix additions of animal feed industries field more particularly to a kind of sow gestation phase
Agent, and in particular to a kind of uridylic acid for reducing fetal death of sow and uridine and the premix material additive of NCG and glycin chelated iron
And its preparation method and application.
Background technology
China is the first in the world pig raising big country and pork consumption big country, and live pig is produced in Chinese national economy, social stability
With in new countryside construction have very important effect and status.Sow is the source of live pig production, is supplied as commodity piglet
The height of the brood sow raise competence of person directly restricts the quality of pig breeding industry benefit.In recent years, China sow production level
There is raising by a relatively large margin, but compared with pig raising developed country of the world, production efficiency at least low 30% produces identical quantity
The problem of quantity of sow needed for growing and fattening pigs is at least more by more than 40% than pig raising developed country, and fertility of sow is low cause China every
Year more than 2,000 ten thousand sows of more raising, annual more more than 2,000 ten thousand tons of feed consumptions, annual loss is up to more than 700 hundred million yuan, sow healthy aquaculture
Be with safety, high-quality, efficient, the nuisanceless sustainable development for main Connotation, be from pursue quantity increase based on tradition support
Grow the modern farming that industry is laid equal stress on to quantity, quality and ecological benefits.Environment, disease and battalion under intensive dense husbandry pattern
The caused oxidativestress damage of the factor of supporting stimulation, usually jeopardize the normal reproductive process such as gestation, lactation, heat of sow and
Health status causes production performance, service life and the culture efficiency of its sow seriously to glide, it has also become the cultivation of China sow can
One of sustainable development principal contradiction urgently to be resolved hurrily.
The common various raw material nucleotides and functional amino equal size particularly uridylic acid of existing feed formula
It is relatively low with arginine content.Compared with breast milk, in piglet opened guideway, glutamine concentration is relatively low, and piglet should in early weaning
Swash this stress stage, it is relatively low to the intake of energy.This may limit the de novo formation process of nucleotide, because either
The de novo formation of purine or pyrimidine all refers to glutamine and energy supply (Rodwell VW (2000) Metabolism
of purine and pyrimidine nucleotides.Harper’s Biochemistry:386‐401)。
In addition, most of nucleotide of the cub young can be supplied, but mucous membrane of small intestine is only capable of by body de novo synthesis
Synthesize limited amount nucleotide (LeLeiko N, Walsh M, Abraham S.Gene expression in the
intestine:the effect of dietary nucleotides.Advances in pediatrics,1994,42:
145-169), particularly in the particular times such as body fast-growth or stress stage, to meet requirement of the body to nucleotide,
Need supplemented with exogenous nucleotide.Mammal milk nucleotide content including sow is very high, wherein the 20% of non-protein ingredient
For nucleotide (Uauy R.Dietary nucleotides and requirements in early life.Lebethal,
E.Textbook of gastroenterology and nutrition in infancy.Raven Press,Ltda.New
York,1989:265-280), thus it is speculated that the maintenance of nucleotide pair intestinal health plays an important role.
The study found that important components of the 5 ' UMP as pig breast nucleotide, is content highest in pig late lactation breast
Nucleotide, content is 20~40 times of 5 ' CMP, 5 ' AMP and 5 ' GMP contents.Correspondingly, weanling pig lacks five kinds
4 kinds (UMP, CMP, AMP, GMP) in nucleotide, wherein it is the most serious with 5 ' UMP shortages, wherein 5 ' in Weaned Growing Pig Diets
UMP contents 2333.50mg/kg (Mateo C, Peters D, Stein H.Nucleotides in sow low compared with pig breast
colostrum and milk at different stages of lactation.Journal of animal
science,2004,82:1339‐1342)。
Therefore, for existing the characteristics of being used for sow gestation phase and its nutritional need, one kind is needed to have containing novel
The feed for sow additive of beneficial ingredient.
Invention content
One of principle of the invention is：According to bionics principle, sweet acid and functional amino etc. are urinated around breast milk milk
The characteristics of for sow gestation phase and its nutritional need, it is dedicated rich in urine to provide a broad sow for the changing rule of nutritional ingredient
The feed addictive of glycoside composition to meet the nutritional need of sow gestation phase, reaches the maximization of productivity effect.
The two of the principle of the invention are, according to the various raw material nucleotides of existing sow feed formula and functional amino
Sour equal size particularly uridylic acid and arginine content is relatively low, the nutrition in the primary raw materials such as existing dregs of beans, yeast hydrolyate
Ingredient can not meet the nutritional need of sow and its fetus body, provide a kind of rich in uridine composition and other nutrient combinations
The feed addictive of object (NCG, glycin chelated iron), to meet the nutritional need of sow gestation phase, reaches productivity effect
It maximizes.
Therefore, it is an object of the present invention to provide a kind of feed premix material additives of sow gestation phase, which is characterized in that described
Premix material additive includes following components：Uridine monophosphate disodium 40-150 parts by weight, uridine 40-150 parts by weight, carrier 200-920
Parts by weight；The carrier is any one or the mixture such as maltodextrin, starch, sepiolite.
In one embodiment, the premix material additive includes following components：Uridine monophosphate disodium 80-120 parts by weight,
Uridine 80-120 parts by weight, carrier 400-850 parts by weight.
In a preferred embodiment, the premix material additive includes following components：100 weight of uridine monophosphate disodium
Part, 90 parts by weight of uridine, 800 parts by weight of carrier.
Second purpose of the invention is to provide a kind of premix compound additive of sow gestation phase, which is characterized in that except containing
Have outside the uridine composition (i.e. uridine monophosphate disodium, uridine) and carrier of above-mentioned weight ratio, also containing NCG and glycine chelate
Iron.
In any of the above-described embodiment, wherein containing NCG 180-300 parts by weight, glycin chelated iron 100-200
Parts by weight.
In a preferred embodiment, wherein containing NCG 200-250 parts by weight, glycin chelated iron 120-150 weights
Measure part.
In a more preferred embodiment, wherein containing 220 parts by weight of NCG, 140 parts by weight of glycin chelated iron.
In any of the above-described embodiment, the premixing additive preferably comprises 100 parts by weight of uridine monophosphate disodium, uridine
90 parts by weight, 220 parts by weight of NCG, 800 parts by weight of 140 parts by weight of glycin chelated iron and carrier.
In any of the above-described embodiment, the uridine composition is the composition of uridine monophosphate disodium and uridine.
Third purpose of the present invention is to provide a kind of preparation method of sow gestation phase feed, and step includes：
(1) according to any of the above-described embodiment, premix material additive or compound additive are prepared
(2) additive or compound additive are mixed into feedstuff by about 0.012-0.020% weight ratios
In, so as to prepare sow gestation phase feed.
In one embodiment, wherein the premixing additive includes, uridine monophosphate disodium 40-150 parts by weight, uridine
40-150 parts by weight, carrier 200-920 parts by weight；The carrier for maltodextrin, starch, sepiolite etc. any one or
Person's mixture.In a preferred embodiment, the premix material additive includes uridine monophosphate disodium 80-120 parts by weight, uridine
80-120 parts by weight, carrier 400-840 parts by weight.In the most preferred embodiment, the premix material additive includes uridylic acid
100 parts by weight of disodium, 90 parts by weight of uridine, 800 parts by weight of carrier.
In any of the above-described embodiment, it is described premixing additive in addition to above-mentioned uridine monophosphate disodium, uridine, carrier it
Outside, also comprising NCG 180-300 parts by weight, glycin chelated iron 100-200 parts by weight.In a preferred embodiment,
In containing NCG 200-250 parts by weight, glycin chelated iron 120-150 parts by weight.In a more preferred embodiment, wherein containing
There are 220 parts by weight of NCG, 140 parts by weight of glycin chelated iron.
In any of the above-described embodiment, the premixing additive preferably comprises 100 parts by weight of uridine monophosphate disodium, uridine
90 parts by weight, 300 parts by weight of NCG, 360 parts by weight of 140 parts by weight of glycin chelated iron and carrier.
In any of the above-described embodiment, the feedstuff is by weight percentage with reference to as follows：Corn 65.0%；Beans
The dregs of rice 17.0%；Wheat bran 8.0%；Salt 1.0%；Vegetable oil 2.0%；Mountain flour 2%；Calcium monohydrogen phosphate 1%.
4th purpose of the invention is to provide through the sow gestation phase feed prepared by any of the above-described method.
In one embodiment, the feed includes feedstuff and premix material additive.
In one embodiment, wherein the premixing additive includes, uridine monophosphate disodium 40-150 parts by weight, uridine
40-150 parts by weight, carrier 200-920 parts by weight；The carrier for maltodextrin, starch, sepiolite etc. any one or
Person's mixture.In a preferred embodiment, the premix material additive includes uridine monophosphate disodium 80-120 parts by weight, uridine
80-120 parts by weight, carrier 400-840 parts by weight.In the most preferred embodiment, the premix material additive includes uridylic acid
100 parts by weight of disodium, 90 parts by weight of uridine, 800 parts by weight of carrier.
In any of the above-described embodiment, it is described premixing additive in addition to above-mentioned uridine monophosphate disodium, uridine, carrier it
Outside, also comprising NCG 180-300 parts by weight, glycin chelated iron 100-200 parts by weight.In a preferred embodiment,
In containing NCG 200-250 parts by weight, glycin chelated iron 120-150 parts by weight.In a more preferred embodiment, wherein containing
There are 220 parts by weight of NCG, 140 parts by weight of glycin chelated iron.
In any of the above-described embodiment, the premixing additive preferably comprises 100 parts by weight of uridine monophosphate disodium, uridine
90 parts by weight, 300 parts by weight of NCG, 360 parts by weight of 140 parts by weight of glycin chelated iron and carrier.
In any of the above-described embodiment, the feedstuff is by weight percentage with reference to as follows：Corn 65.0%；Beans
The dregs of rice 17.0%；Wheat bran 8.0%；Salt 1.0%；Vegetable oil 2.0%；Mountain flour 2%；Calcium monohydrogen phosphate 1%.
Technique effect
1st, inventor is put forward for the first time following inventive concept：Weanling pig pair is represented by the nucleotide concentration analyzed in breast milk
The phase of nucleotide is in requisition for courageously " in five kinds of nucleotide in pig breast, 5 ' UMP are to lack the most the weaned piglet phase to imagination
Nucleotide, then with the presence or absence of the precursor raw material of 5 ' UMP in the gestational period feed by supplementing sow, so as to improve sow to tire
The pregnant effect of youngster simultaneously realizes demand of the piglet to 5 ' UMP indirectly in the later stage by sow breast milk ".
2nd, more than science imagination is directed to, first passage experiment of the present invention proves that uridine composition is added in feed to be carried
The survival rate of high piglet reduces case fatality rate and piglet from newborn rate, while supplemented with exogenous uridylic acid and uridine can improve pig blue-ear disease
The immune effect of vaccine.
3rd, the present invention has studied influence of the uridine composition to sow heavy in pig reproductive performance, sow gestation later stage daily ration
The uridine composition of middle addition about 0.012-0.020% improves 11.91-13.11%, nest production than blank control group the number of live birth
Son's gross mass living improves 13.56-16.46%.
4th, the present invention can improve the contents of the nucleotide such as uridylic acid in gestational period feed complete diet pellet, while the feed can be with
Effectively alleviate Farrowing stress reaction, improve the reproductive performance of sow, significantly reduce still birth rate in litter size, reduce its institute
Diarrhea of weaned piglets frequency is produced, improves survival rate, this has modern science, intensive and scale pig production important
Meaning.
5th, the uridine composition used in the present invention is natural materials, is not repelled or caused any toxic side effect, can make
The uridine composition being combined to industry, of low cost, the feed addictive as a new generation is rising.
6th, on the basis of above, for the present invention according to bionical theory, the content for simulating uridylic acid in pig breast infers piglet machine
The demand of body produces the premix that uridine monophosphate disodium, uridine and/or NCG, glycin chelated iron etc. are raw material by special process
Feed additives by playing the synergistic effect of various nutritional ingredients, significantly improve and improve the reproductive performance of sow, significantly reduce
Still birth rate in litter size.
Specific embodiment
Applicant will in conjunction with specific embodiments be described in detail the product of the present invention below, so as to the skill of this field
Art personnel are further understood by the present invention, but following embodiment is not construed in any way to the scope of the present invention
Limitation.
The feeding effect of embodiment 1, additive containing uridine composition
The premix material additive that uridine monophosphate disodium and uridine etc. are raw material is prepared, wherein each raw material is by weight：Uridine
Acid disodium：Uridine：Maltodextrin=100:90:800.
The daily ration of control group is basic daily ration, is prepared according to the following steps sow special feed：Feedstuff percentage by weight
Than meter with reference to as follows：Corn 65.0%；Dregs of beans 17.0%；Wheat bran 8.0%；Salt 1.0%；Vegetable oil 2.0%；Mountain flour
2%；Calcium monohydrogen phosphate 1%；Basal diet is obtained after mixing.
Test group is that premix material additive 800g/t of the present invention (i.e. uridylic acids after mixing are added in basal diet
It is about 0.015-0.016% with uridine weight ratio).
Since the two basal diet ingredient is identical, it is ensured that control group and experiment each group energy level are basically identical.
Since sows farrowing level is by the influences such as different cultivars, weather and environment, feed for nursing, feeding method, not
There is some difference under the conditions of.Therefore, the present invention is in fixed pregnant about 85 ages in days of farm's selection, weight and parity one
The sow of cause 60, is randomly divided into 2 groups, and labeled as control group, test group, 30 repetitions are set in every group, each repeats 1 mother
Pig, the daily ration of 1 feeding control group of control group, the daily ration of 1 feeding experiment group of test group, in daily 7:00 and 14:00 feeds intake, freely
Feeding drinking-water, feeding capacity are advisable with a small amount of residue.Daily per column inventory, next day collection is surplus to expect and weighs record in detail.It is pre- to raise
5 days phases, experimental period are 30 days.Following reproductive performance measure are carried out, the results are shown in Table 1：
Table 1
| Control group 1 | Test group 1 | |
| Litter size | 10.74 | 11.13 |
| Son's number living | 9.91 | 10.73 |
| Stillborn foetus number | 0.83 | 0.40* |
| Strong son's number | 9.29 | 10.17 |
| Weak son's number | 0.62 | 0.56 |
As can be seen from Table 1,1 sow of test group averagely produces piglet number living and improves 0.82, and still birth rate is dropped than control group
Low about 51%.Compared with normal control group 1, the premix material additive that the present embodiment is prepared is added in the dedicated feed of sow
Afterwards, reproductive performance can be effectively improved, reduces still birth rate.
The feeding effect of embodiment 2, additive containing uridine composition
According to the method for embodiment 1, the feed of test group and control group is prepared, wherein test group 2 is in basal diet
Add 600g/t (uridylic acid and uridine weight ratio are about 0.012% after mixing) premix material additive of the present invention.
Pregnant about 65 ages in days of selection, weight and the subuniform sow of tire 56, are randomly divided into 2 groups, labeled as 2 He of control group
Test group 2 sets 23 repetitions in every group, each repeats 1 sow, the daily ration of 2 feeding test group of test group, 2 feeding of control group
The daily ration of control group, in daily 7:00 and 14:00 feeds intake, and drinking-water is freely eaten, and feeding capacity is advisable with a small amount of residue.Record in detail
Daily per column inventory, next day collects surplus material and weighs.Pre-feeding period 5 days, experimental period are 50 days.Carry out following reproductive performance surveys
Fixed, the results are shown in Table 2：
Table 2
| Control group 2 | Test group 2 | |
| Litter size | 10.53 | 11.05 |
| Son's number living | 9.59 | 10.47 |
| Stillborn foetus number | 0.94 | 0.58 |
| Strong son's number | 8.77 | 10.21 |
| Weak son's number | 0.82 | 0.26 |
As can be seen from Table 2,2 sow of test group averagely produces piglet number living and improves 0.88, and still birth rate is dropped than control group
Low about 38%.Compared with normal control group 2, the premix material additive that the present embodiment is prepared adds in the dedicated feed of sow
In after, can effectively improve reproductive performance, reduce still birth rate, and compared with Example 1, advantageous effect contains with uridine composition
Amount linearly increases.
The optimization of the content ratio of embodiment 3, uridine monophosphate disodium and uridine
According to the step of embodiment 1, multiple test groups of feed addictive are prepared, it is specific as follows：
| Test group, parts by weight | Uridine monophosphate disodium | Uridine |
| A | 50 | 40 |
| B | 70 | 60 |
| C | 100 | 90 |
| D | 150 | 140 |
According to the method for embodiment 1, the feed of test group A-D is prepared.
Selection pregnant about 80 ages in days set 15 repetitions in weight and the subuniform sow of tire 60, every group, and each repeatedly 1
Head sow, in daily 7:00 and 14:00 feeds intake, and drinking-water is freely eaten, and feeding capacity is advisable with a small amount of residue.Record is every daily in detail
Column inventory, next day collect surplus material and weigh.Pre-feeding period 5 days, experimental period are 80 days.Following reproductive performance measure are carried out, as a result
As shown in table 3：
Table 3
| Test group A | Test group B | Test group C | Test group D | |
| Litter size | 11.06 | 11.04 | 11.22 | 10.91 |
| Son's number living | 10.47 | 10.63 | 10.79 | 10.62 |
| Stillborn foetus number | 0.59 | 0.41 | 0.43 | 0.29 |
| Strong son's number | 9.90 | 10.30 | 10.40 | 10.19 |
| Weak son's number | 0.57 | 0.33 | 0.39 | 0.43 |
1st, in each group, the litter size of C groups is most, and the litter size of D groups is minimum, and the difference of A and B groups is little, shows uridylic acid two
The content of sodium and uridine only increases with litter size in ratio in a certain range.
2nd, the young number difference living of each group is little, and stillborn foetus number is minimum with D groups, because the young number of its work is not most, therefore with strong
Young number is evaluated, optimal with C groups, and A groups are worst.
3rd, compared to the test group D of high concentration, every effect of the effect of secondary high concentration group C is superior to a group D, and also have
Dosage is few, cost advantage at low cost.The optimal content for thereby determining that uridine composition is test group C.
Embodiment 4, containing uridine monophosphate disodium, uridine, NCG, glycin chelated iron additive feeding effect
According to the step of embodiment 1, multiple test groups of feed addictive are prepared, it is specific as follows：
| Test group, parts by weight | Uridine monophosphate disodium | Uridine | NCG | Glycin chelated iron |
| E | 100 | 90 | 190 | 100 |
| F | 100 | 90 | 220 | 140 |
| G | 100 | 90 | 320 | 190 |
| H | 0 | 0 | 220 | 140 |
According to the method for embodiment 1, the feed of test group E-H is prepared.
Selection pregnant about 80 ages in days set 20 repetitions in weight and the subuniform sow of tire 80, every group, and each repeatedly 1
Head sow, in daily 7:00 and 14:00 feeds intake, and drinking-water is freely eaten, and feeding capacity is advisable with a small amount of residue.Record is every daily in detail
Column inventory, next day collect surplus material and weigh.Pre-feeding period 5 days, experimental period are 40 days.Following reproductive performance measure are carried out, as a result
As shown in table 4：
Table 4
As shown in table 4, although the stillborn foetus number of F groups, weak young number are not optimal, its litter size, young number living and strong young number are
Effect is the most prominent in each group, this explanation is under the synergistic effect of NCG and glycin chelated iron, uridine composition energy of the invention
Play optimal effectiveness.
Compared to E/F groups, the litter sizes of G groups, young number living, strong young number and weak young number effect decline, show NCG
Content with glycin chelated iron generates certain influence beyond a certain range to the synergistic effect of uridine composition.
Each item data of H groups not as good as E-G groups, shows that NCG and glycin chelated iron, which is used alone, is improving the numerous of sow
Grow performance, the aspect for the still birth rate for significantly reducing litter size is not so good as the effect of uridine composition.
For test group E-F compared to blank control group, the number of live birth improves 11.91-13.11% as a result, and nest production is living young total
Quality advance 13.56-16.46%.Long-term practice proves, the application of this achievement make sow year number born alive improve about 0.6-1,
Extend sow breeding cycle and piglet survival ratio improves the stealthy benefit such as 20-30%.
In conclusion the preparation-obtained premix material additive of the present invention is applied in the dedicated gestational period feed of sow
Afterwards, reproductive performance can be effectively improved, reduces still birth rate, reduces the diarrhea rate of piglet.In addition, premix material additive of the present invention
Only need micro make an addition in feed, you can preferably effect is obtained, it can be inferred that, it should by premix material additive of the present invention
For sow feed field, will have broad application prospects.
Claims (10)
1. a kind of compound premixing feed additives of sow gestation phase, which is characterized in that the premix material additive includes uridylic acid
Disodium 40-150 parts by weight, uridine 40-150 parts by weight, carrier 200-920 parts by weight, NCG 180-300 parts by weight, glycine
Chelated iron 100-200 parts by weight, and the carrier is any one or the mixture such as maltodextrin, starch, sepiolite.
2. the additive of claim 1, wherein the additive includes uridine monophosphate disodium 80-120 parts by weight, uridine 80-120 weights
Measure part, carrier 400-850 parts by weight and NCG 200-250 parts by weight, glycin chelated iron 120-150 parts by weight.
3. the additive of claims 1 or 2, wherein the additive includes 100 parts by weight of uridine monophosphate disodium, 90 weight of uridine
Part, 220 parts by weight of NCG, 800 parts by weight of 140 parts by weight of glycin chelated iron and carrier.
4. a kind of preparation method of the mixed feed of sow gestation phase, step include：
(1) any compound premixing feed additives of claim 1-3 are prepared；
(2) additive is pressed into about 0.012-0.020% weight ratios, mixed in feedstuff, it is pregnant so as to prepare sow
It is pregnent the mixed feed of phase.
5. the method for claim 4, wherein the feedstuff is by weight percentage with reference to as follows：Corn 65.0%；Dregs of beans
17.0%；Wheat bran 8.0%；Salt 1.0%；Vegetable oil 2.0%；Mountain flour 2%；Calcium monohydrogen phosphate 1%.
6. the method for claim 4 or 5, wherein the premixing additive includes, uridine monophosphate disodium 40-150 parts by weight, uridine
40-150 parts by weight, carrier 200-920 parts by weight, NCG 180-300 parts by weight, glycin chelated iron 100-200 parts by weight, and
The carrier is any one or the mixture such as maltodextrin, starch, sepiolite.
7. the method for claim 6, wherein the premix material additive includes uridine monophosphate disodium 80-120 parts by weight, uridine 80-
120 parts by weight, carrier 400-840 parts by weight and NCG 200-250 parts by weight, glycin chelated iron 120-150 parts by weight；
Preferably comprise 100 parts by weight of uridine monophosphate disodium, 90 parts by weight of uridine, 220 parts by weight of NCG, 140 parts by weight of glycin chelated iron
And 800 parts by weight of carrier.
8. pass through the mixed feed of the sow gestation phase prepared by the method for claim 4,5,6 or 7.
9. the compound premix of about 0.012-0.020% weight ratios is included in the feed of claim 8, wherein feedstuff
Additive, the additive include, uridine monophosphate disodium 40-150 parts by weight, uridine 40-150 parts by weight, NCG 180-300 weight
Part, glycin chelated iron 100-200 parts by weight, and the carrier for maltodextrin, starch, sepiolite etc. any one or
Person's mixture.
10. the feed of claim 9, wherein premix material additive include uridine monophosphate disodium 80-120 parts by weight, uridine 80-120
Parts by weight, carrier 400-840 parts by weight and NCG 200-250 parts by weight, glycin chelated iron 120-150 parts by weight；It is preferred that
Comprising 100 parts by weight of uridine monophosphate disodium, 90 parts by weight of uridine, 220 parts by weight of NCG, 140 parts by weight of glycin chelated iron and
800 parts by weight of carrier；The feedstuff is by weight percentage with reference to as follows：Corn 65.0%；Dregs of beans 17.0%；Wheat wheat
Bran 8.0%；Salt 1.0%；Vegetable oil 2.0%；Mountain flour 2%；Calcium monohydrogen phosphate 1%.
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