CN109042522A - A kind of the pregnancy material and feeding management method of raising sows farrowing performance - Google Patents
A kind of the pregnancy material and feeding management method of raising sows farrowing performance Download PDFInfo
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- 239000000463 material Substances 0.000 title claims abstract description 87
- 238000007726 management method Methods 0.000 title claims abstract description 37
- 230000012010 growth Effects 0.000 claims abstract description 97
- 244000144972 livestock Species 0.000 claims abstract description 92
- 230000009027 insemination Effects 0.000 claims description 63
- 244000046052 Phaseolus vulgaris Species 0.000 claims description 28
- 235000010627 Phaseolus vulgaris Nutrition 0.000 claims description 28
- 150000001875 compounds Chemical class 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 235000007340 Hordeum vulgare Nutrition 0.000 claims description 18
- KZSNJWFQEVHDMF-BYPYZUCNSA-N L-valine Chemical compound CC(C)[C@H](N)C(O)=O KZSNJWFQEVHDMF-BYPYZUCNSA-N 0.000 claims description 18
- 239000004472 Lysine Substances 0.000 claims description 18
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 claims description 18
- KZSNJWFQEVHDMF-UHFFFAOYSA-N Valine Natural products CC(C)C(N)C(O)=O KZSNJWFQEVHDMF-UHFFFAOYSA-N 0.000 claims description 18
- 240000008042 Zea mays Species 0.000 claims description 18
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 18
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 18
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- 230000008859 change Effects 0.000 claims description 14
- 235000019621 digestibility Nutrition 0.000 claims description 13
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 239000011701 zinc Substances 0.000 claims description 11
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- 238000001514 detection method Methods 0.000 claims description 6
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- 108010065511 Amylases Proteins 0.000 claims description 2
- 102000013142 Amylases Human genes 0.000 claims description 2
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- 229940106157 cellulase Drugs 0.000 claims description 2
- 240000005979 Hordeum vulgare Species 0.000 claims 3
- QCVGEOXPDFCNHA-UHFFFAOYSA-N 5,5-dimethyl-2,4-dioxo-1,3-oxazolidine-3-carboxamide Chemical compound CC1(C)OC(=O)N(C(N)=O)C1=O QCVGEOXPDFCNHA-UHFFFAOYSA-N 0.000 claims 1
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- 239000004475 Arginine Substances 0.000 description 1
- 208000001362 Fetal Growth Retardation Diseases 0.000 description 1
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- 235000006708 antioxidants Nutrition 0.000 description 1
- ODKSFYDXXFIFQN-UHFFFAOYSA-N arginine Natural products OC(=O)C(N)CCCNC(N)=N ODKSFYDXXFIFQN-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
- A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/105—Aliphatic or alicyclic compounds
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/142—Amino acids; Derivatives thereof
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/174—Vitamins
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/189—Enzymes
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/26—Compounds containing phosphorus
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/30—Oligoelements
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/30—Feeding-stuffs specially adapted for particular animals for swines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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Abstract
The invention discloses a kind of pregnancy material for improving sows farrowing performance and feeding management methods.This method nutritional need different according to each stage of farrowing sow, fully considers embryo nidation, development of fetus, the regulation of the sow growth of livestock, and sow gestation is divided into three phases, refines the feed and scale of feeding in each stage, improves the Farrowing Traits of sow.Specifically include: first half period of gestation mid-term is different from the pregnancy material that the later period feeds, wherein containing NCG；The sow entirety growth of livestock, that is, back-fat thickness control records and in 12-17mm using the sow for adjusting fat card labeled fat and excessively thin；Sow feeding amount is adjusted according to the growth of livestock, excessively fat sow material reducing feeding, excessively thin sow, which feeds, to be fed；It is removed in time after growth of livestock adjustment is up to standard and adjusts fat card, and fed by normal doses.Pregnancy material of the invention feeds management method, can improve the piglet uniformity, reduces piglet still birth rate, improves litter size and born weight, improves piglet survival ratio and later period growing way.
Description
Technical field
The invention belongs to field of feed, be related to a kind of feed (referred to as pregnancy is expected) eaten for sow period of pregnancy and its
Management method is fed, in particular to a kind of pregnancy material for improving sows farrowing performance and feeding management method.
Background technique
China's breeding efficiency is low, and China's large-scale pig farm P SY (i.e. every sow year provides number pigs weaned) is general at present
All in 20--25 head, and the developed countries such as America and Europe are all at 30 or more, and in contrast, there is also a certain distance.With external
High-yield variety introduction, traditional cultural method and nutrition have been unable to satisfy the demand of sow, play its genetic potential, how to improve
Sow product subnumber reduces the piglet death rate and has become most urgent problem instantly.
Sow is the power place on a pig farm, and the quality of sow directly affects the business efficiency on entire pig farm.Sow
Raw is more, and it is the target that pig farm is pursued that piglet health is dead, which to be lacked, but main energy is all placed on delivery room by many pig farms now
With milking sow and piglet, improve delivery room environment, promote milking sow feed intake, the more milk of output are raw to supply piglet
It is long；Reinforce the nursing of newborn piglet, health care etc., the purpose of these measures is all to accelerate the speed of growth of piglet, reduce young
The pig death rate.Nursing, the health care of piglet are critically important, and the milk as piglet Major Foods is also critically important, but these are all in son
The work done after pig birth, everybody often has ignored the antenatal influence of piglet, as the saying goes: one liang of Birth weight, weaning weight
It one jin, delivers ten jin of weight for sale, improves piglet Birth weight, can often get twice the result with half the effort, and fetus when Birth weight is mainly by being pregnant
What growth determined, so, it should it is done from source, starts according to embryo nidation and fetus development tune in sow gestation
The feeding program of whole sow guarantees the maximum reproductive performance of sow and the maximum business efficiency in pig farm.
Sow is pregnant early period, belongs to stage embryo nidation phase, this stage physiology course is unstable, easily causes to miscarry, and feeds
Amount is unsuitable excessively high, and it is excessively vigorous otherwise to will cause metabolism, is unfavorable for embryo nidation, and therefore, the breeding same day will reduce scale of feeding,
And word item kind is changed to pregnant sow material (i.e. pregnancy material)；Sow mid pregnancy is the development of piglet muscle fibre and sow mammary gland hair
Educate the best period of phase and sow adjustment body condition；Sow in later stage of pregnancy, is piglet fast growing period, three points of pig weight
Second is that in this growth period, it is higher to nutritional need.
Currently on the market, the nutrition of farrowing sow and management do not obtain everybody attention, generally existing entire period of pregnancy
One grade of feed is only fed, the preferable pig farm of management level can feed in sow in later stage of pregnancy and attack tire material, also not have in scale of feeding
Stringent limitation does not also adjust to the regulation of the sow growth of livestock, causes sow product subnumber low, and the piglet death rate is high.As it can be seen that passing
The feeding management method of system and nutrition have been unable to satisfy the demand of sow.Sow product subnumber how is improved, the piglet death rate is reduced
Have become most urgent problem instantly.
Summary of the invention
It is an object of the present invention to overcome the deficiencies of the prior art and provide a kind of pregnancy material for improving sows farrowing performance
(pregnant sow material) and its feeding management method.The nutrition supply and pipe that the feeding management method passes through improvement sow gestation
Reason, it is possible to reduce sow produces still birth rate, improves sow and produces key son number, improves piglet degree uniform in size, improves piglet delivery room and survives
Rate and later period growing way.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of pregnancy material for improving sows farrowing performance of the present invention and feeding management method, according to each rank of farrowing sow
The nutritional need of Duan Butong fully considers embryo nidation, development of fetus, the regulation of the sow growth of livestock, sow gestation is divided into
Three phases: first stage (1-21 days after insemination of sows, i.e. first half period of gestation), second stage (22-84 after insemination of sows
It, i.e. second trimester of pregnancy), three phases (85-110 days after insemination of sows, i.e. latter half of gestation)；Refine each stage feed and
Scale of feeding improves the Farrowing Traits of sow；It is specific as follows:
First stage: the pregnancy material formula of i.e. first half period of gestation feeding in 1-21 days is as follows after insemination of sows:
Corn 30-35%, barley 20-30%, dregs of beans 14-16%, wheat bran 20-27%, 4% sow gestation phase compound premixing
Material 4%；It is above mass percent；
Second stage: the pregnancy material formula of i.e. second trimester of pregnancy feeding in 22-84 days is identical as first half period of gestation after insemination of sows,
It is as follows:
Corn 30-35%, barley 20-30%, dregs of beans 14-16%, wheat bran 20-27%, 4% sow gestation phase compound premixing
Material 4%；It is above mass percent；
Three phases: the pregnancy material formula of i.e. latter half of gestation feeding in 85-110 days is as follows after insemination of sows:
Corn 34-41%, barley 18-30%, dregs of beans 5-6%, expanded soybean 18-20%, fermented bean dregs 3-4%, wheat bran
2-9%, 4% sow gestation phase compound premix 4%；It is above mass percent；
Above-mentioned 4% sow gestation phase compound premix includes: compound vitamin 0.6%-0.9%, and more mine 5%-8% are organic
Iron 0.5%-0.6%, organic zinc 0.6%-0.8%, valine 0.6%-0.8%, lysine 1.5%-2%, VE0.1%-
0.15%, VC0.2%-0.3%, carrotene 0.2%-0.3%, NCG 1%-1.5%, complex enzyme formulation 1%-1.5%, gallbladder
Alkali 2%-3%, salt 5%-7%, calcium monohydrogen phosphate 30%-35%, mountain flour 30%-40%；It is above mass percent.
Wherein, NCG is N- carbamylglutamic acid, can promote endogenous arginine synthesis and metabolism, generates NO, increase internal blood
Liquid circulation, increases placenta blood supply amount, increases placenta nutrition supply, vigor is good when piglet being made to be born.
The complex enzyme formulation is protease, in amylase, cellulase, mannonase zytase, dextranase
A variety of combinations.
In pregnancy material formula of the invention, 4% sow gestation phase compound premix is added, sow ovary can be protected, promotes
Embryo nidation, it is anti-oxidant, sow interior free yl is eliminated, fetal intrauterine growth retardation is mitigated, improves late growth, promotes sow
Blood circulation increases the nutrient supply to fetus, improves piglet birth weight and the uniformity, improves later period survival rate.
In 4% sow gestation phase compound premix of the invention, increasing NCG, carrotene, Organic Iron, organic zinc, this is several
Kind nutritive additive.Increase these nutritive additives, in protection sow ovary, promotes embryo nidation, promotion sow blood
Circulation has better function in terms of increasing the nutrient supply to fetus, raising piglet birth weight and the uniformity, raising later period survival rate
Effect.
The full price material formula Digestibility energy that first stage and second stage (first half period of gestation and second trimester of pregnancy) are made into
In 3100-3150kcal/kg, protein content 14-14.5%, lysine content 0.7-0.75%, valine content 0.65-
0.7%, it is mass percentage.
The full price material formula Digestibility that three phases (latter half of gestation) are made into can be in 3300-3350kcal/kg, albumen
Content 17-17.5%, lysine content 0.9-0.95%, valine content 0.8--0.85% are mass percentage.
The difference that latter half of gestation is formed with first half period of gestation, mid gestation material formula is: in the pregnancy material formula of latter half of gestation
In increase expanded soybean 10-15%, fermented bean dregs 4-8%；Because of expanded soybean, fermented bean dregs are good proteinogens
Material, digestibility is high, and fat content is also high in expanded soybean, and latter half of gestation piglet needs more better nutrition.
A kind of feeding management method for improving sows farrowing performance of the present invention is as follows: in the different phase of sow pregnancy, using
The pregnancy material of above-mentioned different phase is fed, and adjusts sow feeding amount according to the sow entirety growth of livestock；The sow entirety growth of livestock, that is, back fat
Thickness control records in 12-17mm and (excessively fat sow uses red color tone fat using the sow for adjusting fat card labeled fat and excessively thin
Card label, excessively thin sow are marked using blue cast fat card)；Adjusting sow feeding amount according to the growth of livestock, (excessively fat sow material reducing is raised
Hello, excessively thin sow, which feeds, to be fed；That is: there is the excessively fat sow material reducing feeding of red-label, there is the excessively thin of blue markings
Sow charging feeding), it is removed in time after growth of livestock adjustment is up to standard and adjusts fat card, and fed by normal doses.
Specific feeding management method is as follows:
Every sow feeds twice daily, summer can 5:00,15:00 respectively feed once；Winter can 6:00,16:00 respectively raise
It feeds primary.
First stage: 1-21 days after insemination of sows, scale of feeding is determined according to growth of livestock when wean, scale of feeding is in 1.6-
Change within the scope of 2.2kg/ days.Back-fat thickness 12-17mm, scale of feeding 1.8-2.0kg/ days；Back-fat thickness is less than 12mm, scale of feeding
2.0-2.2kg/ it；Back-fat thickness be greater than 17mm, scale of feeding 1.6-1.8kg/ days.
Second stage: 22-84 days after insemination of sows, one group of two people of technician carries out growth of livestock inspection to sow once a week
(range estimation and touch) is surveyed, to estimating and touching the uncertain sow of the growth of livestock, the growth of livestock is measured using back fat instrument；The abnormal mother of the growth of livestock
Pig: partially thin sow gives blue mark, partially fat sow red mark；Adjusting sow feeding amount according to the growth of livestock, (red indicates inclined
Fat sow material reducing feeding, the partially thin sow of blue mark, which feeds, to be fed): i.e.:
22-84 days after insemination of sows, determine that scale of feeding, scale of feeding change within the scope of 1.8-2.5kg/ days according to the growth of livestock.
Back-fat thickness 12-17mm, scale of feeding 2.0-2.3kg/ days；Back-fat thickness be less than 12mm, scale of feeding 2.3-2.5kg/ days；The thickness of backfat
It spends and is greater than 17mm, scale of feeding 1.8-2.0kg/ days.It is removed in time after growth of livestock adjustment is up to standard and adjusts fat card, and fed by normal doses.
The growth of livestock controls target: back-fat thickness is less than the ratio of 12mm and back-fat thickness greater than 17mm and is no more than 10%.
Three phases: 85-110 days after insemination of sows, feeding is determined according to the growth of livestock of measurement in the 85th day after insemination of sows
Amount, scale of feeding change within the scope of 3.0-3.5kg/ days.
Insemination of sows the 85th day, technician carried out growth of livestock detection (measurement of back fat instrument) to sow, and records back-fat thickness
(mm)；The abnormal sow of the growth of livestock: partially thin sow gives blue mark, partially fat sow red mark；Sow is adjusted according to the growth of livestock to raise
Feed amount (the partially fat sow material reducing feeding that red indicates, the partially thin sow of blue mark, which feeds, to be fed)；That is:
Back-fat thickness 12-17mm sow, scale of feeding 3.2-3.3kg/ days；Back-fat thickness is greater than 17mm, partially fertile mother
Pig, scale of feeding are reduced to 3.0-3.2kg/ days；Back-fat thickness is less than 12mm, partially thin sow, and scale of feeding increases to 3.3-
3.5kg/ it.It is removed in time after growth of livestock adjustment is up to standard and adjusts fat card, and fed by normal doses.
Back fat measuring method: back fat measurement is usually the back fat for surveying sow P2 point, and P2 point back fat refers to last root rib of pig
Back-fat thickness away from 6.5 centimeters of dorsal line at bone.
The method for surveying P2 point accurate location: last root rib cage of sow left/right bow outer most edge is found with hand, with this point
Straight line is drawn perpendicular to dorsal line；Along this straight line, from the downward 5-6cm in dorsal line left side, this point is P2 point.
Beneficial effects of the present invention:
Pregnancy material of the invention feeds management method, according to the nutritional need that each stage of farrowing sow is different, sufficiently
Consider embryo nidation, development of fetus, the regulation of the sow growth of livestock, sow gestation is divided into three phases, refines each stage
Feed and scale of feeding, improve the Farrowing Traits of sow.
Compared with the prior art, the invention has the following advantages: pregnancy material of the invention feeds management method, can improve
The piglet uniformity reduces piglet still birth rate, improves litter size and born weight, improves piglet survival ratio and later period growing way.
Specific embodiment
The present invention is further illustrated with reference to embodiments.
Embodiment 1
A kind of pregnancy material for improving sows farrowing performance of the present invention and feeding management method, according to each rank of farrowing sow
The nutritional need of Duan Butong fully considers embryo nidation, development of fetus, the regulation of the sow growth of livestock, sow gestation is divided into
Three phases: first stage (1-21 days after insemination of sows, i.e. first half period of gestation), second stage (22-84 after insemination of sows
It, i.e. second trimester of pregnancy), three phases (85-110 days after insemination of sows, i.e. latter half of gestation)；Refine each stage feed and
Scale of feeding improves the Farrowing Traits of sow.It is specific as follows:
First stage: 1-21 days after insemination of sows (i.e. first half period of gestation), the pregnancy material formula of feeding is as follows:
Corn 30%, barley 30%, dregs of beans (43%) 16%, wheat bran 20%, 4% sow gestation phase compound premix 4%；
It is above mass percent；
Second stage: 22-84 days after insemination of sows (i.e. second trimester of pregnancy), the pregnancy material formula of feeding is (with first half period of gestation
It is identical) as follows:
Corn 30%, barley 30%, dregs of beans (43%) 16%, wheat bran 20%, 4% sow gestation phase compound premix 4%；
It is above mass percent；
Three phases: 85-110 days after insemination of sows (i.e. latter half of gestation), the pregnancy material formula of feeding is as follows:
Corn 40%, barley 20%, dregs of beans (43%) 6%, expanded soybean 18%, fermented bean dregs 4%, wheat bran 8%, 4%
Sow gestation phase compound premix 4%；It is above mass percent；
Above-mentioned 4% sow gestation phase compound premix includes: compound vitamin 0.6%-0.9%, and more mine 5%-8% are organic
Iron 0.5%-0.6%, organic zinc 0.6%-0.8%, valine 0.6%-0.8%, lysine 1.5%-2%, VE0.1%-
0.15%, VC0.2%-0.3%, carrotene 0.2%-0.3%, NCG1%-1.5%, complex enzyme formulation 1%-1.5%, choline
2%-3%, salt 5%-7%, calcium monohydrogen phosphate 30%-35%, mountain flour 30%-40%；It is above mass percent.
NCG, carrotene, Organic Iron, organic zinc these types nutritive additive are increased in above-mentioned pregnancy material formula.Increase
Add these nutritive additives, in protection sow ovary, promotes embryo nidation, promotion sow blood circulation, increase to fetus
Nutrient supply has more preferable effect in terms of improving piglet birth weight and the uniformity, raising later period survival rate.
The full price material formula Digestibility energy that first stage and second stage (first half period of gestation and second trimester of pregnancy) are made into
In 3100-3150kcal/kg, protein content 14-14.5%, lysine content 0.7-0.75%, valine content 0.65-
0.7%, it is mass percentage.
The full price material formula Digestibility that three phases (latter half of gestation) are made into can be in 3300-3350kcal/kg, albumen
Content 17-17.5%, lysine content 0.9-0.95%, valine content 0.8--0.85% are mass percentage.
A kind of feeding management method for improving sows farrowing performance of the present invention is as follows: in the different phase of sow pregnancy, using
The pregnancy material of above-mentioned different phase is fed, and adjusts sow feeding amount according to the sow entirety growth of livestock；The sow entirety growth of livestock, that is, back fat
Thickness control records in 12-17mm and (excessively fat sow uses red color tone fat using the sow for adjusting fat card labeled fat and excessively thin
Card label, excessively thin sow are marked using blue cast fat card)；Adjusting sow feeding amount according to the growth of livestock (has the excessively fat of red-label
Sow material reducing feeding, have the excessively thin sow charging feeding of blue markings), removed in time after growth of livestock adjustment is up to standard and adjust fat card,
And it is fed by normal doses.
Specific feeding management method is as follows:
Every sow feeds twice daily, and summer 5:00,15:00 are respectively fed once；Winter, 6:00,16:00 respectively fed one
It is secondary.
First stage: 1-21 days after insemination of sows, scale of feeding is determined according to growth of livestock when wean, scale of feeding is in 1.6-
Change within the scope of 2.2kg/ days.Back-fat thickness 12-17mm, scale of feeding 1.8-2.0kg/ days；Back-fat thickness is less than 12mm, scale of feeding
2.0-2.2kg/ it；Back-fat thickness be greater than 17mm, scale of feeding 1.6-1.8kg/ days.
Second stage: 22-84 days after insemination of sows, one group of two people of technician carries out growth of livestock inspection to sow once a week
(range estimation and touch) is surveyed, to estimating and touching the uncertain sow of the growth of livestock, the growth of livestock is measured using back fat instrument；The abnormal mother of the growth of livestock
Pig: partially thin sow gives blue mark, partially fat sow red mark；Adjusting sow feeding amount according to the growth of livestock, (red indicates inclined
Fat sow material reducing feeding, the partially thin sow of blue mark, which feeds, to be fed): i.e.:
22-84 days after insemination of sows, determine that scale of feeding, scale of feeding change within the scope of 1.8-2.5kg/ days according to the growth of livestock.
Back-fat thickness 12-17mm, scale of feeding 2.0-2.3kg/ days；Back-fat thickness be less than 12mm, scale of feeding 2.3-2.5kg/ days；The thickness of backfat
It spends and is greater than 17mm, scale of feeding 1.8-2.0kg/ days.It is removed in time after growth of livestock adjustment is up to standard and adjusts fat card, and fed by normal doses.
The growth of livestock controls target: back-fat thickness is less than the ratio of 12mm and back-fat thickness greater than 17mm and is no more than 10%.
Three phases: 85-110 days after insemination of sows, feeding is determined according to the growth of livestock of measurement in the 85th day after insemination of sows
Amount, scale of feeding change within the scope of 3.0-3.5kg/ days.
Insemination of sows the 85th day, technician carried out growth of livestock detection (measurement of back fat instrument) to sow, and records back-fat thickness
(mm)；The abnormal sow of the growth of livestock: partially thin sow gives blue mark, partially fat sow red mark；Sow is adjusted according to the growth of livestock to raise
Feed amount (the partially fat sow material reducing feeding that red indicates, the partially thin sow of blue mark, which feeds, to be fed)；That is:
Back-fat thickness 12-17mm sow, scale of feeding 3.2-3.3kg/ days；Back-fat thickness is greater than 17mm, partially fertile mother
Pig, scale of feeding are reduced to 3.0-3.2kg/ days；Back-fat thickness is less than 12mm, partially thin sow, and scale of feeding increases to 3.3-
3.5kg/ it.It is removed in time after growth of livestock adjustment is up to standard and adjusts fat card, and fed by normal doses.
Embodiment 2
A kind of pregnancy material for improving sows farrowing performance of the present invention and feeding management method, according to each rank of farrowing sow
The nutritional need of Duan Butong fully considers embryo nidation, development of fetus, the regulation of the sow growth of livestock, sow gestation is divided into
Three phases: first stage (1-21 days after insemination of sows, i.e. first half period of gestation), second stage (22-84 after insemination of sows
It, i.e. second trimester of pregnancy), three phases (85-110 days after insemination of sows, i.e. latter half of gestation)；Refine each stage feed and
Scale of feeding improves the Farrowing Traits of sow.It is specific as follows:
First stage: 1-21 days after insemination of sows (i.e. first half period of gestation), the pregnancy material formula of feeding is as follows:
Corn 35%, barley 20%, dregs of beans (43%) 14%, wheat bran 27%, 4% sow gestation phase compound premix 4%；
It is above mass percent；
Second stage: 22-84 days after insemination of sows (i.e. second trimester of pregnancy), the pregnancy material formula of feeding is (with first half period of gestation
It is identical) as follows:
Corn 35%, barley 20%, dregs of beans (43%) 14%, wheat bran 27%, 4% sow gestation phase compound premix 4%；
It is above mass percent；
Three phases: 85-110 days after insemination of sows (i.e. latter half of gestation), the pregnancy material formula of feeding is as follows:
Corn 41%, barley 18%, dregs of beans (43%) 6%, expanded soybean 18%, fermented bean dregs 4%, wheat bran 9%, 4%
Sow gestation phase compound premix 4%；It is above mass percent；
Above-mentioned 4% sow gestation phase compound premix includes: compound vitamin 0.6%-0.9%, and more mine 5%-8% are organic
Iron 0.5%-0.6%, organic zinc 0.6%-0.8%, valine 0.6%-0.8%, lysine 1.5%-2%, VE0.1%-
0.15%, VC0.2%-0.3%, carrotene 0.2%-0.3%, NCG1%-1.5%, complex enzyme formulation 1%-1.5%, choline
2%-3%, salt 5%-7%, calcium monohydrogen phosphate 30%-35%, mountain flour 30%-40%；It is above mass percent.
NCG, carrotene, Organic Iron, organic zinc these types nutritive additive are increased in above-mentioned pregnancy material formula.Increase
Add these nutritive additives, in protection sow ovary, promotes embryo nidation, promotion sow blood circulation, increase to fetus
Nutrient supply has more preferable effect in terms of improving piglet birth weight and the uniformity, raising later period survival rate.
The full price material formula Digestibility energy that first stage and second stage (first half period of gestation and second trimester of pregnancy) are made into
In 3100-3150kcal/kg, protein content 14-14.5%, lysine content 0.7-0.75%, valine content 0.65-
0.7%, it is mass percentage.
The full price material formula Digestibility that three phases (latter half of gestation) are made into can be in 3300-3350kcal/kg, albumen
Content 17-17.5%, lysine content 0.9-0.95%, valine content 0.8--0.85% are mass percentage.
Specific feeding management method is as follows:
Every sow feeds twice daily, and summer 5:00,15:00 are respectively fed once；Winter, 6:00,16:00 respectively fed one
It is secondary.
First stage: 1-21 days after insemination of sows, scale of feeding is determined according to growth of livestock when wean, scale of feeding is in 1.6-
Change within the scope of 2.2kg/ days.Back-fat thickness 12-17mm, scale of feeding 1.8-2.0kg/ days；Back-fat thickness is less than 12mm, scale of feeding
2.0-2.2kg/ it；Back-fat thickness be greater than 17mm, scale of feeding 1.6-1.8kg/ days.
Second stage: 22-84 days after insemination of sows, one group of two people of technician carries out growth of livestock inspection to sow once a week
(range estimation and touch) is surveyed, to estimating and touching the uncertain sow of the growth of livestock, the growth of livestock is measured using back fat instrument；The abnormal mother of the growth of livestock
Pig: partially thin sow gives blue mark, partially fat sow red mark；Adjusting sow feeding amount according to the growth of livestock, (red indicates inclined
Fat sow material reducing feeding, the partially thin sow of blue mark, which feeds, to be fed): i.e.:
22-84 days after insemination of sows, determine that scale of feeding, scale of feeding change within the scope of 1.8-2.5kg/ days according to the growth of livestock.
Back-fat thickness 12-17mm, scale of feeding 2.0-2.3kg/ days；Back-fat thickness be less than 12mm, scale of feeding 2.3-2.5kg/ days；The thickness of backfat
It spends and is greater than 17mm, scale of feeding 1.8-2.0kg/ days.It is removed in time after growth of livestock adjustment is up to standard and adjusts fat card, and fed by normal doses.
The growth of livestock controls target: back-fat thickness is less than the ratio of 12mm and back-fat thickness greater than 17mm and is no more than 10%.
Three phases: 85-110 days after insemination of sows, feeding is determined according to the growth of livestock of measurement in the 85th day after insemination of sows
Amount, scale of feeding change within the scope of 3.0-3.5kg/ days.
Insemination of sows the 85th day, technician carried out growth of livestock detection (measurement of back fat instrument) to sow, and records back-fat thickness
(mm)；The abnormal sow of the growth of livestock: partially thin sow gives blue mark, partially fat sow red mark；Sow is adjusted according to the growth of livestock to raise
Feed amount (the partially fat sow material reducing feeding that red indicates, the partially thin sow of blue mark, which feeds, to be fed)；That is:
Back-fat thickness 12-17mm sow, scale of feeding 3.2-3.3kg/ days；Back-fat thickness is greater than 17mm, partially fertile mother
Pig, scale of feeding are reduced to 3.0-3.2kg/ days；Back-fat thickness is less than 12mm, partially thin sow, and scale of feeding increases to 3.3-
3.5kg/ it.It is removed in time after growth of livestock adjustment is up to standard and adjusts fat card, and fed by normal doses.
Embodiment 3
A kind of pregnancy material for improving sows farrowing performance of the present invention and feeding management method, according to each rank of farrowing sow
The nutritional need of Duan Butong fully considers embryo nidation, development of fetus, the regulation of the sow growth of livestock, sow gestation is divided into
Three phases: first stage (1-21 days after insemination of sows, i.e. first half period of gestation), second stage (22-84 after insemination of sows
It, i.e. second trimester of pregnancy), three phases (85-110 days after insemination of sows, i.e. latter half of gestation)；Refine each stage feed and
Scale of feeding improves the Farrowing Traits of sow.It is specific as follows:
First stage: 1-21 days after insemination of sows (i.e. first half period of gestation), the pregnancy material formula of feeding is as follows:
Corn 30%, barley 27%, dregs of beans (43%) 15%, wheat bran 24%, 4% sow gestation phase compound premix 4%；
It is above mass percent；
Second stage: 22-84 days after insemination of sows (i.e. second trimester of pregnancy), the pregnancy material formula of feeding is (with first half period of gestation
It is identical) as follows:
Corn 30%, barley 27%, dregs of beans (43%) 15%, wheat bran 24%, 4% sow gestation phase compound premix 4%；
It is above mass percent；
Three phases: 85-110 days after insemination of sows (i.e. latter half of gestation), the pregnancy material formula of feeding is as follows:
Corn 38%, barley 25%, dregs of beans (43%) 5%, expanded soybean 20%, fermented bean dregs 3%, wheat bran 5%, 4%
Sow gestation phase compound premix 4%；It is above mass percent；
Above-mentioned 4% sow gestation phase compound premix includes: compound vitamin 0.6%-0.9%, and more mine 5%-8% are organic
Iron 0.5%-0.6%, organic zinc 0.6%-0.8%, valine 0.6%-0.8%, lysine 1.5%-2%, VE0.1%-
0.15%, VC0.2%-0.3%, carrotene 0.2%-0.3%, NCG1%-1.5%, complex enzyme formulation 1%-1.5%, choline
2%-3%, salt 5%-7%, calcium monohydrogen phosphate 30%-35%, mountain flour 30%-40%；It is above mass percent.
NCG, carrotene, Organic Iron, organic zinc these types nutritive additive are increased in above-mentioned pregnancy material formula.Increase
Add these nutritive additives, in protection sow ovary, promotes embryo nidation, promotion sow blood circulation, increase to fetus
Nutrient supply has more preferable effect in terms of improving piglet birth weight and the uniformity, raising later period survival rate.
The full price material formula Digestibility energy that first stage and second stage (first half period of gestation and second trimester of pregnancy) are made into
In 3100-3150kcal/kg, protein content 14-14.5%, lysine content 0.7-0.75%, valine content 0.65-
0.7%, it is mass percentage.
The full price material formula Digestibility that three phases (latter half of gestation) are made into can be in 3300-3350kcal/kg, albumen
Content 17-17.5%, lysine content 0.9-0.95%, valine content 0.8--0.85% are mass percentage.
Specific feeding management method is as follows:
Every sow feeds twice daily, and summer 5:00,15:00 are respectively fed once；Winter, 6:00,16:00 respectively fed one
It is secondary.
First stage: 1-21 days after insemination of sows, scale of feeding is determined according to growth of livestock when wean, scale of feeding is in 1.6-
Change within the scope of 2.2kg/ days.Back-fat thickness 12-17mm, scale of feeding 1.8-2.0kg/ days；Back-fat thickness is less than 12mm, scale of feeding
2.0-2.2kg/ it；Back-fat thickness be greater than 17mm, scale of feeding 1.6-1.8kg/ days.
Second stage: 22-84 days after insemination of sows, one group of two people of technician carries out growth of livestock inspection to sow once a week
(range estimation and touch) is surveyed, to estimating and touching the uncertain sow of the growth of livestock, the growth of livestock is measured using back fat instrument；The abnormal mother of the growth of livestock
Pig: partially thin sow gives blue mark, partially fat sow red mark；Adjusting sow feeding amount according to the growth of livestock, (red indicates inclined
Fat sow material reducing feeding, the partially thin sow of blue mark, which feeds, to be fed): i.e.:
22-84 days after insemination of sows, determine that scale of feeding, scale of feeding change within the scope of 1.8-2.5kg/ days according to the growth of livestock.
Back-fat thickness 12-17mm, scale of feeding 2.0-2.3kg/ days；Back-fat thickness be less than 12mm, scale of feeding 2.3-2.5kg/ days；The thickness of backfat
It spends and is greater than 17mm, scale of feeding 1.8-2.0kg/ days.It is removed in time after growth of livestock adjustment is up to standard and adjusts fat card, and fed by normal doses.
The growth of livestock controls target: back-fat thickness is less than the ratio of 12mm and back-fat thickness greater than 17mm and is no more than 10%.
Three phases: 85-110 days after insemination of sows, feeding is determined according to the growth of livestock of measurement in the 85th day after insemination of sows
Amount, scale of feeding change within the scope of 3.0-3.5kg/ days.
Insemination of sows the 85th day, technician carried out growth of livestock detection (measurement of back fat instrument) to sow, and records back-fat thickness
(mm)；The abnormal sow of the growth of livestock: partially thin sow gives blue mark, partially fat sow red mark；Sow is adjusted according to the growth of livestock to raise
Feed amount (the partially fat sow material reducing feeding that red indicates, the partially thin sow of blue mark, which feeds, to be fed)；That is:
Back-fat thickness 12-17mm sow, scale of feeding 3.2-3.3kg/ days；Back-fat thickness is greater than 17mm, partially fertile mother
Pig, scale of feeding are reduced to 3.0-3.2kg/ days；Back-fat thickness is less than 12mm, partially thin sow, and scale of feeding increases to 3.3-
3.5kg/ it.It is removed in time after growth of livestock adjustment is up to standard and adjusts fat card, and fed by normal doses.
Embodiment 4
A kind of pregnancy material for improving sows farrowing performance of the present invention and feeding management method, according to each rank of farrowing sow
The nutritional need of Duan Butong fully considers embryo nidation, development of fetus, the regulation of the sow growth of livestock, sow gestation is divided into
Three phases: first stage (1-21 days after insemination of sows, i.e. first half period of gestation), second stage (22-84 after insemination of sows
It, i.e. second trimester of pregnancy), three phases (85-110 days after insemination of sows, i.e. latter half of gestation)；Refine each stage feed and
Scale of feeding improves the Farrowing Traits of sow.It is specific as follows:
First stage: 1-21 days after insemination of sows (i.e. first half period of gestation), the pregnancy material formula of feeding is as follows:
Corn 31%, barley 25%, dregs of beans (43%) 15%, wheat bran 25%, 4% sow gestation phase compound premix 4%；
It is above mass percent；
Second stage: 22-84 days after insemination of sows (i.e. second trimester of pregnancy), the pregnancy material formula of feeding is (with first half period of gestation
It is identical) as follows:
Corn 31%, barley 25%, dregs of beans (43%) 15%, wheat bran 25%, 4% sow gestation phase compound premix 4%；
It is above mass percent；
Three phases: 85-110 days after insemination of sows (i.e. latter half of gestation), the pregnancy material formula of feeding is as follows:
Corn 34%, barley 30%, dregs of beans (43%) 6%, expanded soybean 20%, fermented bean dregs 4%, wheat bran 2%, 4%
Sow gestation phase compound premix 4%；It is above mass percent；
Above-mentioned 4% sow gestation phase compound premix includes: compound vitamin 0.6%-0.9%, and more mine 5%-8% are organic
Iron 0.5%-0.6%, organic zinc 0.6%-0.8%, valine 0.6%-0.8%, lysine 1.5%-2%, VE0.1%-
0.15%, VC0.2%-0.3%, carrotene 0.2%-0.3%, NCG1%-1.5%, complex enzyme formulation 1%-1.5%, choline
2%-3%, salt 5%-7%, calcium monohydrogen phosphate 30%-35%, mountain flour 30%-40%；It is above mass percent.
NCG, carrotene, Organic Iron, organic zinc these types nutritive additive are increased in above-mentioned pregnancy material formula.Increase
Add these nutritive additives, in protection sow ovary, promotes embryo nidation, promotion sow blood circulation, increase to fetus
Nutrient supply has more preferable effect in terms of improving piglet birth weight and the uniformity, raising later period survival rate.
The full price material formula Digestibility energy that first stage and second stage (first half period of gestation and second trimester of pregnancy) are made into
In 3100-3150kcal/kg, protein content 14-14.5%, lysine content 0.7-0.75%, valine content 0.65-
0.7%, it is mass percentage.
The full price material formula Digestibility that three phases (latter half of gestation) are made into can be in 3300-3350kcal/kg, albumen
Content 17-17.5%, lysine content 0.9-0.95%, valine content 0.8--0.85% are mass percentage.
Specific feeding management method is the same as embodiment 3.
Comparative experimental example
Is done using different pregnancy material feeding management methods to farrowing sow by feeding comparative test for certain pig farm.
Experimental group: it is managed according to the pregnancy material of a kind of raising sows farrowing performance described in the embodiment of the present invention 1 and feeding
Method carries out feeding management.
Control group: expecting according to existing pregnancy and feeds management method carries out feeding management.
1 sows farrowing performance of table compares
As can be seen from Table 1, than control group, the uniformity that sows farrowing performance improves the piglet that is much born obtains experimental group
To improvement (1.5-1.7kg birth piglet number is increased to 39.46% by 33.25%), piglet still birth rate greatly reduces (to be subtracted by 23
Less to 8), (born weight is increased to by 14.41kg for litter size (litter size is increased to 441 by 385) and born weight
16.67kg) be improved.It can be seen that pregnancy material of the invention feeds management method, the piglet uniformity can be improved, reduced
Piglet still birth rate improves litter size and born weight.
2 weanling pig survival rate of table compares
As can be seen from Table 2, experimental group improves 11% than control group, the survival rate of weanling pig.It can be seen that of the invention
Pregnancy material feed management method, can be improved piglet survival ratio, main cause is that Birth weight improves, and piglet degree uniform in size
It is good, it is easier to support at delivery room, wean counterpoise reduction is primarily due to that sow tape heads number is more, and same milk is assigned to every small
It is less caused when pig, but experimental group litter weight is heavier, illustrates that sow milk production is more.
3 piglet survival ratio of table compares
As can be seen from Table 3, for experimental group than control group, piglet survival ratio improves nearly 3%.It can be seen that of the invention
Pregnancy material feeding management method, can be improved piglet survival ratio and later period growing way.High survival rate is primarily due to the piglet uniformity
It is good, without especially small pig, when turning child care environmental change, smoothly transit, and control group, the small pig in part, appearance are not searched for food,
Syntexis, it is last dead.Weaning early period, the counterpoise smaller later period child care stage is heavier instead, and main cause is experiment pig in pregnancy
Phase, piglet muscular tissue stage of development reinforce nutrition feeding, the effect to piglet late growth.
Claims (10)
1. a kind of pregnancy material for improving sows farrowing performance, which is characterized in that
First stage: the pregnancy material formula of i.e. first half period of gestation feeding in 1-21 days is as follows after insemination of sows:
Corn 30-35%, barley 20-30%, dregs of beans 14-16%, wheat bran 20-27%, 4% sow gestation phase compound premix
4%；It is above mass percent；
Second stage: the pregnancy material formula of i.e. second trimester of pregnancy feeding in 22-84 days is identical as first half period of gestation after insemination of sows, such as
Under:
Corn 30-35%, barley 20-30%, dregs of beans 14-16%, wheat bran 20-27%, 4% sow gestation phase compound premix
4%；It is above mass percent；
Three phases: the pregnancy material formula of i.e. latter half of gestation feeding in 85-110 days is as follows after insemination of sows:
Corn 34-41%, barley 18-30%, dregs of beans 5-6%, expanded soybean 18-20%, fermented bean dregs 3-4%, wheat bran 2-
9%, 4% sow gestation phase compound premix 4%；It is above mass percent；
The 4% sow gestation phase compound premix includes: compound vitamin 0.6%-0.9%, more mine 5%-8%, Organic Iron
0.5%-0.6%, organic zinc 0.6%-0.8%, valine 0.6%-0.8%, lysine 1.5%-2%, VE0.1%-
0.15%, VC0.2%-0.3%, carrotene 0.2%-0.3%, NCG1%-1.5%, complex enzyme formulation 1%-1.5%, choline
2%-3%, salt 5%-7%, calcium monohydrogen phosphate 30%-35%, mountain flour 30%-40%；It is above mass percent.
2. improving the pregnancy material of sows farrowing performance as described in claim 1, which is characterized in that the complex enzyme formulation is egg
White enzyme, amylase, cellulase, mannonase zytase, a variety of combinations in dextranase.
3. improving the pregnancy material of sows farrowing performance as described in claim 1, which is characterized in that the dregs of beans is mass concentration
For 43% dregs of beans.
4. improving the pregnancy material of sows farrowing performance as described in claim 1, which is characterized in that first stage and second
The full price material formula Digestibility that stage, that is, first half period of gestation and second trimester of pregnancy are made into can be in 3100-3150kcal/kg, protein content
14-14.5%, lysine content 0.7-0.75%, valine content 0.65-0.7% are mass percentage.
5. improving the pregnancy material of sows farrowing performance as described in claim 1, which is characterized in that after three phases are pregnant
The full price material formula Digestibility that phase is made into can be in 3300-3350kcal/kg, protein content 17-17.5%, lysine content
0.9-0.95%, valine content 0.8--0.85% are mass percentage.
6. a kind of feeding management method for improving sows farrowing performance, which is characterized in that in the different phase of sow pregnancy, with such as
The pregnancy material feeding of any different phase of claim 1-5, and sow feeding amount is adjusted according to the sow entirety growth of livestock；It is female
The pig entirety growth of livestock, that is, back-fat thickness control records and in 12-17mm using the sow for adjusting fat card labeled fat and excessively thin；According to fat
Sentiment section sow feeding amount, excessively fat sow material reducing feeding, excessively thin sow, which feeds, to be fed；It is removed in time after growth of livestock adjustment is up to standard
Fat card is adjusted, and is fed by normal doses.
7. improving the feeding management method of sows farrowing performance as claimed in claim 6, which is characterized in that excessively fat sow makes
It is marked with red color tone fat card, excessively thin sow is marked using blue cast fat card；There is the excessively fat sow material reducing feeding of red-label,
There is the excessively thin sow charging feeding of blue markings.
8. improving the feeding management method of sows farrowing performance as claimed in claim 6, which is characterized in that
First stage: 1-21 days after insemination of sows, scale of feeding is determined according to growth of livestock when wean, scale of feeding was at 1.6-2.2kg/ days
Variation in range；Back-fat thickness 12-17mm, scale of feeding 1.8-2.0kg/ days；Back-fat thickness is less than 12mm, scale of feeding 2.0-
2.2kg/ it；Back-fat thickness be greater than 17mm, scale of feeding 1.6-1.8kg/ days.
9. improving the feeding management method of sows farrowing performance as claimed in claim 6, which is characterized in that
Second stage: 22-84 days after insemination of sows, one group of two people of technician carries out growth of livestock detection packet to sow once a week
Range estimation and touch are included, to estimating and touching the uncertain sow of the growth of livestock, the growth of livestock is measured using back fat instrument；The abnormal sow of the growth of livestock:
Partially thin sow gives blue mark, partially fat sow red mark；Sow feeding amount, the partially fat mother of red mark are adjusted according to the growth of livestock
Pig material reducing feeding, the partially thin sow of blue mark, which feeds, to be fed；That is:
22-84 days after insemination of sows, determine that scale of feeding, scale of feeding change within the scope of 1.8-2.5kg/ days according to the growth of livestock；Back fat
Thickness 12-17mm, scale of feeding 2.0-2.3kg/ days；Back-fat thickness be less than 12mm, scale of feeding 2.3-2.5kg/ days；Back-fat thickness is big
In 17mm, scale of feeding 1.8-2.0kg/ days；It is removed in time after growth of livestock adjustment is up to standard and adjusts fat card, and fed by normal doses；The growth of livestock
Control target: back-fat thickness is less than the ratio of 12mm and back-fat thickness greater than 17mm and is no more than 10%.
10. improving the feeding management method of sows farrowing performance as claimed in claim 6, which is characterized in that
Three phases: 85-110 days after insemination of sows, scale of feeding is determined according to the growth of livestock of measurement in the 85th day after insemination of sows, is raised
The amount of feeding changes within the scope of 3.0-3.5kg/ days；
Insemination of sows the 85th day, technician carried out growth of livestock detection using back fat instrument to sow, and records back-fat thickness；The growth of livestock is not just
Normal sow: partially thin sow gives blue mark, partially fat sow red mark；Sow feeding amount, red mark are adjusted according to the growth of livestock
Partially fat sow material reducing feeding, blue mark partially thin sow feed feeding；That is: sow of the back-fat thickness in 12-17mm, feeding
Amount 3.2-3.3kg/ days；Back-fat thickness is greater than 17mm, and fertile sow, scale of feeding partially is reduced to 3.0-3.2kg/ days；Back-fat thickness
Less than 12mm, partially thin sow, scale of feeding increases to 3.3-3.5kg/ days；It is removed in time after growth of livestock adjustment is up to standard and adjusts fat card, and
It is fed by normal doses.
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