CN103250900A - Daily ration for improving reproductive performance of pregnant sows - Google Patents
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Abstract
The invention discloses daily ration for improving reproductive performance of pregnant sows, belonging to the technical field of animal nutrition. In the daily ration, the weight percentage of standardized ileal digestible lysine is 0.55-0.85%, the weight ratio of standardized ileal digestible leucine to the standardized ileal digestible lysine is not smaller than 88.3%, the weight ratio of standardized ileal digestible valine to the standardized ileal digestible lysine is not smaller than 64.5%, and the weight ratio of standardized ileal digestible threonine to the standardized ileal digestible lysine is not smaller than 75%; furthermore, the content of digestible energy in the daily ration for improving reproductive performance of pregnant sows is 3.0-3.3Mcal/kg; and in the daily ration, the weight percentage of protein is 13.2-16.2%. By adopting the daily ration for improving reproductive performance of pregnant sows provided by the invention, the utilization rate of amino acid in the daily ration can be improved, the feed conversion efficiency of sows is increased, the production cost is lowered, and the waste of the feed is reduced.
Description
Technical field
The invention belongs to the Animal nutrition technical field, particularly a kind of daily ration that improves reproduction performance of gestation sow.
Background technology
It is one of most important link in the Swine Production that sow is raised, and its nutrition condition not only directly influences health and the production performance of piglet, and is related to reproductive life and the Swine Production benefit of sow.Along with the application of development of science and technology and modern management technology, material alterations has taken place in the production performance of modern sow.Because producing circulation continuously, sow carries out, therefore for reaching modernized breeding scale, simultaneously in order to realize highly efficient and productive and to reduce the target of environmental pollution, effectively satisfy each breeding cycle sow by accurate nutrition regulation means is very important to the especially amino acid whose demand of nutrient in stage.
The sow gestation phase is taken in the milk performance after energy directly influences sow gestation.If energy Excessive Intake, body weight is excessive in the time of will causing Farrowing, thereby reduction feed efficiency, increase the loss (Baker of sow in lactation body weight, D.H., D.E.Becker, H.W.Norton, C.E.Sasse, A.H.Jensen, and B.G.Harmon.1969.Reproductive performance and progeny development in swine as influenced by feed intake during pregnancy.J.Nutr.97:489-495. and Lodge, G.A., F.W.H.Elsley, andR.M.MacPherson.1966.The effects of level of feeding of sows during pregnancy.II.Changes in body weight.Anim.Prod.8:499-507. and Sinclair, A.G., M.C.Cia, S.A.Edwards, and S.Hoste.1998.Response to dietary protein during lactation of Meishan synthetic, Large White and Landrace gilts given food to achieve the same target backfat level at farrowing.Anim.Sci.67:349-354.); Equally, take in if reduce the energy of gestational period sow, the reduction of the sow output of milk, piglet birth weight reduce in the time of will causing childbirth and lactation; In addition, gestational period strictness limits the absorption of sow energy, also will have influence on the utilization rate of albumen in the sow body, causes the deficiency of latter half of gestation and sow in lactation albumen.Therefore, when the gestational period was reduced the absorption of sow energy, the raising sow was extremely important to the utilization rate of albumen.
Summary of the invention
The daily ration that the purpose of this invention is to provide a kind of in-pig of feeding, this daily ration can improve the reproductive performance of in-pig.
The daily ration of raising reproduction performance of gestation sow provided by the invention, its standard ileum can digest (Standard ileal digestible, SID) weight percentage of lysine is 0.55-0.85%, but the standard ileum can digest the weight ratio (SID Leu:SID Lys) of leucine and standard ileum digestible lysine is not less than 88.3%, but the standard ileum can digest the weight ratio (SID Val:SID Lys) of valine and standard ileum digestible lysine is not less than 64.5%, is not less than 75% but the standard ileum can digest the weight ratio (SID Thr:SID Lys) of threonine and standard ileum digestible lysine;
Above-mentioned SID Leu:SID Lys, SID Val:SID Lys and the optimal proportion of SID Thr:SID Lys are followed successively by 88.3%, 64.5% and 75%, the proportional numerical value except this optimal proportion in above-mentioned scope also can be realized the present invention, and reach the technique effect that the present invention declares, but increased corresponding amino acid whose consumption, improved the cost of feed.
In addition, the digestible energy content of the daily ration of described raising reproduction performance of gestation sow is 3.0-3.3Mcal/kg;
In described daily ration, the weight percentage of protein is 13.2-16.2%.
The prescription of in-pig daily ration of the present invention, be to adjust by crude protein level in the daily ration prescription in " swine rearing standard " (2004), replenish synthesizing amino acid, improve in-pig to amino acid whose absorptivity in the daily ration, improve number born of sow, improve the piglet birth weight.Feeding experiment shows, utilizes this daily ration in-pig of feeding, and it is heavy to have improved the farrowing of nest litter size and nest, and sow body weight and back-fat thickness are had no significant effect.Except protein, other nutritional labeling all is to prepare according to the regulation of " swine rearing standard " (2004).
The daily ration that the daily ration of raising reproduction performance of gestation sow provided by the present invention can be used as primiparity or multiparity sow uses.Feeding this daily ration can improve amino acid whose utilization rate in the daily ration, improves the feed efficiency of sow, reduces production costs, and reduces the waste of feed, improves reproduction performance of gestation sow.
Description of drawings
Fig. 1 is the broken line graph that concerns that first farrowing sow SID Thr:SID Lys and average nest produce the young number of living in the embodiment of the invention 1.
Fig. 2 is that first farrowing sow SID Thr:SID Lys and average nest produce the young heavy broken line graph that concerns of living in the embodiment of the invention 1.
Fig. 3 is the broken line graph that concerns that multiparity sow SID Thr:SID Lys and average nest produce the young number of living in the embodiment of the invention 1.
Fig. 4 is that multiparity sow SID Thr:SID Lys and average nest produce the young heavy broken line graph that concerns of living in the embodiment of the invention 1.
Fig. 5 is the broken line graph that concerns that first farrowing sow SID Val:SID Lys and average nest produce the young number of living in the embodiment of the invention 2.
Fig. 6 is that first farrowing sow SID Val:SID Lys and average nest produce the young heavy broken line graph that concerns of living in the embodiment of the invention 2.
Fig. 7 is the broken line graph that concerns that multiparity sow SID Val:SID Lys and average nest produce the young number of living in the embodiment of the invention 2.
Fig. 8 is that multiparity sow SID Val:SID Lys and average nest produce the young heavy broken line graph that concerns of living in the embodiment of the invention 2.
Fig. 9 is the broken line graph that concerns that first farrowing sow SID Leu:SID Lys and average nest produce the young number of living in the embodiment of the invention 3.
Figure 10 is that first farrowing sow SID Leu:SID Lys and average nest produce the young heavy broken line graph that concerns of living in the embodiment of the invention 3.
Figure 11 is the broken line graph that concerns that multiparity sow SID Leu:SID Lys and average nest produce the young number of living in the embodiment of the invention 3.
Figure 12 is that multiparity sow SID Leu:SID Lys and average nest produce the young heavy broken line graph that concerns of living in the embodiment of the invention 3.
The specific embodiment
Employed experimental technique is conventional method if no special instructions among the following embodiment.
Used material, reagent etc. if no special instructions, all can obtain from commercial channels among the following embodiment.
Embodiment 1: but improve weight ratio (SID Thr:SID Lys) definite that standard ileum in the daily ration of reproduction performance of gestation sow can digest threonine and standard ileum digestible lysine
1, experimental animal and test daily ration
This test is carried out on original seed pig farm, Ninghe, Tianjin.Select the long white sow of 80 primiparity (initial body weight 130.3 ± 5.8kg for use, the long white sow of initial back fat 14.3 ± 1.2mm) and 80 multiparity (average 3.2 tires) (initial body weight 203.3 ± 6.8kg, initial back fat 15.3 ± 1.5mm), be assigned randomly to processed group and control group according to parity, body weight and back-fat thickness in back first day in breeding, single hurdle feeds (2.38 * 0.63 * 1m).
The measuring method that the sow body condition changes:
Test 1d and 110d 8:00 in morning mensuration sow body weight and back-fat thickness respectively at each.With the portable B ultrasonic for animals of the Dutch ESATOTE Pie Medical Aquila VET of company in the back last root bone P position, measure the sow back-fat thickness apart from dorsal line 4～6cm place.
The measuring method of the reproductive performance of sow:
The young number of record gross output, live young number, stillborn foetus and piglet sex behind the Farrowing.The individual weight that divides weighing piglet in the puerperium 24h.
Test uses L-arginine monohydrochloride and threonine available from Changchun DaCheng Co., Ltd.Adopt corn-dregs of beans type basal diet, basal diet is with reference to China " swine rearing standard " (2004) preparation, and daily ration is powder.In the daily ration, the weight percentage of protein is 13.5-13.6%, is respectively 70%, 73%, 76%, 79% and 82% but the weight percentage of standard ileum digestible lysine is 0.65%, SID Thr:SID Lys.
Detection index and the method for daily ration conventional ingredient:
Dry, thick protein, calcium and total phosphorus are measured with reference to the method that State Standard of the People's Republic of China GB/T6435-1986, GB/T6432-1994, GB/T6436-2002 and GB/T6437-2002 recommend respectively in the daily ration.The results are shown in Table 1.
Table 1 daily ration is formed and trophic level assay value (basis of feeding)
Annotate 1: premix provides for every kilogram of daily ration: vitamin A, 5,512IU; Vitamin D
3, 2,200IU; Vitamin E, 64IU; Vitamin K
3, 2.2mg; Cobastab
12, 27.6 μ g; Riboflavin, 5.5mg; D-pantothenic acid, 13.8mg; Nicotinic acid, 30.3mg; Choline Chloride, 551mg; Manganese, 40mg; Iron, 100mg; Zinc, 100mg; Copper, 100mg; Iodine, 0.3mg; Selenium, 0.3mg.
The mensuration of daily ration amino acid content
A. instrument and equipment
Assay balance 0.0001g; The sample pulverising mill; Liquid-transfering gun: 200 μ L, 1000 μ L; Centrifuge: 16000rpm; Clean acid hydrolysis culture tube; Pipette: 10mL; The sample introduction bottle; Ampere pipe: 1.5mL; Quantitative filter paper: φ 9cm.
B. reagent and solution preparation
The hydrochloric acid solution of 6mol/L: 37% hydrochloric acid: water=1: 1 (V: V).
The 4mol/L sodium hydroxide solution: 160g NaOH is soluble in water, and is settled to 1000mL, and cooling is with 0.45 μ m membrane filtration.
Cushioning liquid: pH=2.2 is used in dilution, and c (Na+)=0.2mol/L takes by weighing trisodium citrate 19.60g, the water dissolving, add top grade pure hydrochloric acid 16.5mL, thiodiglycol 5mL and phenol 1g, water is settled to 1000mL, and with 0.45 μ m membrane filtration, store in the refrigerator, place room temperature with preceding taking-up.
C. sample is prepared
Choose representational sample, pulverized 60 order analyses sieve.
D. analytical procedure
Weighing sample 60-70mg is in culture tube bottom (trying not sample is sticked on bottle wall), and sample is pulverized to be needed to analyze sieve (60 order) by 0.25mm.Hydrochloric acid solution (add the 2mL vibration earlier, fully soak, the back sweeps away along wall with all the other 8mL) the inflated with nitrogen 0.3m that adds 10mL6mol/L
3/ h, about 15s, capping, the marking pen flat graduation mark of striking.110 ℃ of hydrolysis 22～24h of pre-treatment chamber baking oven, and on oven door, carry out sign (purposes, time, experimenter and date) with paper slip.Then take out cooling, shake up, be filled into the ampere pipe with quantitative filter paper, about 3mL avoids sample room to pollute.Pipette the 0.2-0.5mL hydrolyzate, to the evaporate to dryness pipe, evaporate to dryness on the evaporate to dryness instrument.Add sample diluting liquid 2-3mL, left standstill the supreme machine bottle of 0.2 μ m water membrane filtration, last machine analyzing and testing several minutes.
Concrete analysis result sees table 2 for details, and the numerical value in the table accounts for the percentage by weight of daily ration gross weight for each seed amino acid.
Table 2 daily ration analysis of amino acids value (%)
2, feeding and management
During every morning 08:00 and check the oestrus of sow situation afternoon during 14:00, liquor potassic permanganate with 0.1% before the artificial insemination cleans vulva, oestrus after the sow artificial insemination first, change pregnant pig house list hurdle over to and raise, 12h carries out artificial insemination's second time behind the artificial insemination first.
All test pig every day at one time, morning 05:30, afternoon 15:30, twice in the wet-mixing material of the above-mentioned daily ration of feeding.Be pregnant 1d next day after the semen deposition for the second time.The total amount of feeding of every sow every day is as follows: the pregnant 1-30d 1.8kg that feeds, the 31-84d 2.2kg that feeds, the 85-107d 3.5kg that feeds, freely drink water.
Record its overbit and return the feelings date for returning the feelings sow, breeding back 25～35d detects the sow gestation situation with the portable B ultrasonic for animals of the Dutch ESATOTE PieMedical Aquila VET of company, record nonpregnant sows overbit, first half period of gestation is if having that sow is inflamed, an apocenosis, situation such as do not search for food, detail record overbit and medicining condition, sow change the delivery room in the last week expected date of childbirth.In-test is carried out Immunization programme and expelling parasite according to the pig farm immune programme for children.Mid-May, general anti-swine fever spleen drenched seedling 2mL/ head, and antenatal 40d injects Schweineseuche O-shaped inactivated vaccine 5mL/ head, and antenatal 30d injects pseudo-mad dog live vaccine 4mL+ vitamin E 7mL/ head, one week of basal diet of searching for food and containing pest repellant (ivermectin).
3, result
3.1 daily ration is to the influence of sow body weight and back-fat thickness
Shown in table 3 and table 4, the result shows that for first farrowing sow and multiparity sow, these five kinds of daily rations all do not have conspicuousness influence (P＞0.05) to body weight and the back-fat thickness variation of sow.
Table 3 daily ration is to the influence of first farrowing sow body weight and back-fat thickness variation
Table 4 daily ration is to the influence of multiparity sow body weight and back-fat thickness variation
3.2 daily ration is to the influence of sow reproductive performance
3.2.1 daily ration is to the influence of first farrowing sow reproductive performance
For the long white sow of primiparity, data shown in the table 5 are utilized segmented line model and quadratic regression model analysis, when producing the young number (the results are shown in Figure 1) of living as evaluation index with average nest, SID Thr:SID Lys is not less than 73%, when producing live young heavy (the results are shown in Figure 2) as evaluation index with average nest, SID Thr:SID Lys is not less than 71%.
The influence of the first farrowing sow reproductive performance of table 5SID Thr:SID Lys
3.2.2 daily ration is to the influence of multiparity sow reproductive performance
For the long white sow of multiparity, data shown in the table 6 are utilized segmented line model and quadratic regression model analysis, when producing the young number of living as evaluation index with average nest (the results are shown in Figure 3), SID Thr:SID Lys is not less than 75%, when being evaluation index with average nest product young recast alive (the results are shown in Figure 4), SID Thr:SID Lys is not less than 74.3%.
The influence of the multiparity sow reproductive performance of table 6SID Thr:SID Lys
Conclusion: adopt segmented line model and quadratic regression model analysis, when producing live young number and average nest and produce the young recast of living and be evaluation index with average nest, but the weight ratio that the standard ileum can digest threonine and standard ileum digestible lysine in the daily ration of the reproduction performance of gestation sow that is improved is not less than 75%.
Embodiment 2: but improve weight ratio (SID Val:SID Lys) definite that standard ileum in the daily ration of reproduction performance of gestation sow can digest valine and standard ileum digestible lysine
In the present embodiment, the measuring method of the reproductive performance of the assay method of the detection index of daily ration conventional ingredient and method, daily ration amino acid content, measuring method that the sow body condition changes and sow is all identical with embodiment 1.
1, experimental animal and test daily ration
This test is carried out on original seed pig farm, Ninghe, Tianjin.Select the long white sow of 70 primiparity (initial body weight 130.3 ± 5.8kg for use, the long white sow of initial back fat 14.3 ± 1.2mm) and 70 multiparity (average 3.2 tires) (initial body weight 203.3 ± 6.8kg, initial back fat 15.3 ± 1.5mm), be assigned randomly to processed group and control group according to parity, body weight and back-fat thickness in back first day in breeding, single hurdle feeds (2.38 * 0.63 * 1m).
Test uses L-arginine monohydrochloride and valine available from Changchun DaCheng Co., Ltd.Adopt corn-dregs of beans type basal diet, basal diet is with reference to China " swine rearing standard " (2004) preparation, and daily ration is powder.Protein level is 13.5-13.6% in the daily ration, but standard ileum digestible lysine level is 0.65%, and SID Val:SID Lys is respectively 60%, 63%, 66%, 69% and 72% in the daily ration, and its raw material is formed and trophic level sees Table 7.
Table 7 diet is formed and trophic level assay value (basis of feeding)
Annotate 1: premix provides for every kilogram of daily ration: vitamin A, 5,512IU; Vitamin D
3, 2,200IU; Vitamin E, 64IU; Vitamin K
3, 2.2mg; Cobastab
12, 27.6 μ g; Riboflavin, 5.5mg; D-pantothenic acid, 13.8mg; Nicotinic acid, 30.3mg; Choline Chloride, 551mg; Manganese, 40mg; Iron, 100mg; Zinc, 100mg; Copper, 100mg; Iodine, 0.3mg; Selenium, 0.3mg.
The mensuration of daily ration amino acid content:
Concrete measurement result sees table 8 for details, and the numerical value in the table accounts for the percentage by weight of daily ration gross weight for each seed amino acid.
Table 8 daily ration analysis of amino acids value (%)
2, feeding and management
Method is with embodiment 1.
3, result
3.1 daily ration is to the influence of sow body weight and back-fat thickness
Shown in table 9 and table 10, for first farrowing sow and multiparity sow, these five kinds of daily rations all do not have conspicuousness influence (P＞0.05) to body weight and the back-fat thickness variation of sow.The body weight of multiparity sow and back fat all are greater than first farrowing sow.
Table 9 daily ration is to the influence of first farrowing sow body weight and back-fat thickness variation
Table 10 daily ration is to the influence of multiparity sow body weight and back-fat thickness variation
3.2 daily ration is to the influence of sow reproductive performance
3.2.1 daily ration is to the influence of first farrowing sow reproductive performance
For the long white sow of primiparity, data shown in the table 11 are utilized segmented line model and quadratic regression model analysis, when producing the young number (the results are shown in Figure 5) of living as evaluation index with average nest, SID Val:SID Lys is not less than 64.5%, when producing live young heavy (the results are shown in Figure 6) as evaluation index with average nest, SID Val:SID Lys is not less than 64%.
The influence of the first farrowing sow reproductive performance of table 11SID Val:SID Lys
3.2.2 daily ration is to the influence of multiparity sow reproductive performance
For the long white sow of multiparity, data shown in the table 12 are utilized segmented line model and quadratic regression model analysis, when producing the young number of living as evaluation index with average nest (the results are shown in Figure 7), SID Val:SID Lys is not less than 63.5%, when being evaluation index with average nest product young recast alive (the results are shown in Figure 8), SID Val:SID Lys is not less than 64.3%.
The influence of the multiparity sow reproductive performance of table 12SID Val:SID Lys
Conclusion: adopt segmented line model and quadratic regression model analysis, when producing live young number and average nest and produce the young recast of living and be evaluation index with average nest, be not less than 64.5% but obtain the ratio that in-pig optimality criterion ileum can digest valine and standard ileum digestible lysine.
Embodiment 3: but improve weight ratio (SID Leu:SID Lys) definite that standard ileum in the daily ration of reproduction performance of gestation sow can digest leucine and standard ileum digestible lysine
In the present embodiment, the measuring method of the reproductive performance of the assay method of the detection index of daily ration conventional ingredient and method, daily ration amino acid content, measuring method that the sow body condition changes and sow is all identical with embodiment 1.
1, experimental animal and test daily ration
This test is carried out on original seed pig farm, Ninghe, Tianjin.Select the long white sow of 70 primiparity (initial body weight 130.3 ± 5.8kg for use, the long white sow of initial back fat 14.3 ± 1.2mm) and 70 multiparity (average 3.2 tires) (initial body weight 203.3 ± 6.8kg, initial back fat 15.3 ± 1.5mm), be assigned randomly to processed group and control group according to parity, body weight and back-fat thickness in back first day in breeding, single hurdle feeds (2.38 * 0.63 * 1m).
Test uses L-arginine monohydrochloride and valine available from Changchun DaCheng Co., Ltd.Adopt corn-dregs of beans type basal diet, basal diet is with reference to China " swine rearing standard " (2004) preparation, and daily ration is powder.Protein level is 13.5-13.6% in the daily ration, but standard ileum digestible lysine level is 0.65%, and SID Leu:SID Lys is respectively 85%, 88%, 91%, 94% and 95% in the daily ration, and its raw material is formed and trophic level sees Table 13.
Table 13 diet is formed and trophic level assay value (basis of feeding)
Annotate 1: premix provides for every kilogram of daily ration: vitamin A, 5,512IU; Vitamin D
3, 2,200IU; Vitamin E, 64IU; Vitamin K
3, 2.2mg; Cobastab
12, 27.6 μ g; Riboflavin, 5.5mg; D-pantothenic acid, 13.8mg; Nicotinic acid, 30.3mg; Choline Chloride, 551mg; Manganese, 40mg; Iron, 100mg; Zinc, 100mg; Copper, 100mg; Iodine, 0.3mg; Selenium, 0.3mg.
The mensuration of daily ration amino acid content:
Concrete measurement result sees table 14 for details, and the numerical value in the table accounts for the percentage by weight of daily ration gross weight for each seed amino acid.
Table 14 daily ration analysis of amino acids value (%)
2, feeding and management
Method is with embodiment 1.
3, result
3.1 daily ration is to the influence of sow body weight and back-fat thickness
Shown in table 15 and table 16, for first farrowing sow and multiparity sow, these five kinds of daily rations all do not have conspicuousness influence (P＞0.05) to body weight and the back-fat thickness variation of sow.The body weight of multiparity sow and back fat all are greater than first farrowing sow.
Table 15 daily ration is to the influence of first farrowing sow body weight and back-fat thickness variation
Table 16 daily ration is to the influence of multiparity sow body weight and back-fat thickness variation
Result of the test shows that for first farrowing sow and multiparity sow, these five kinds of daily rations all do not have conspicuousness influence (P＞0.05) to body weight and the back-fat thickness variation of sow.The body weight of multiparity sow and back fat all are greater than first farrowing sow.
3.2 daily ration is to the influence of sow reproductive performance
3.2.1 daily ration is to the influence of first farrowing sow reproductive performance
For the long white sow of primiparity, data shown in the table 17 are utilized segmented line model and quadratic regression model analysis, when producing the young number of living as evaluation index with average nest (the results are shown in Figure 9), first farrowing sow SID Leu:SID Lys is not less than 87%, when being evaluation index with average nest product young recast alive (the results are shown in Figure 10), first farrowing sow SID Leu:SID Lys is not less than 88.3%.
The influence of the first farrowing sow reproductive performance of table 17SID Leu:SID Lys
3.2.2 daily ration is to the influence of multiparity sow reproductive performance
For the long white sow of multiparity, data shown in the table 18 are utilized segmented line model and quadratic regression model analysis, when producing the young number of living as evaluation index with average nest (the results are shown in Figure 11), SID Leu:Lys is not less than 87.3%, when being evaluation index with average nest product young recast alive (the results are shown in Figure 12), SID Leu:Lys is not less than 87.6%.
The influence of the multiparity sow reproductive performance of table 18SID Leu:SID Lys
Conclusion: adopt segmented line model and quadratic regression model analysis, when producing live young number and average nest and produce the young recast of living and be evaluation index with average nest, be not less than 88.3% but obtain the ratio that in-pig optimality criterion ileum can digest leucine and standard ileum digestible lysine.
Claims (5)
1. daily ration that improves reproduction performance of gestation sow, in described daily ration, but the weight percentage of standard ileum digestible lysine is 0.55-0.85%, it is characterized in that, in described daily ration, but the standard ileum can digest the weight ratio of leucine and standard ileum digestible lysine is not less than 88.3%, but the standard ileum can digest the weight ratio of valine and standard ileum digestible lysine is not less than 64.5%, is not less than 75% but the standard ileum can digest the weight ratio of threonine and standard ileum digestible lysine.
2. the daily ration of raising reproduction performance of gestation sow according to claim 1 is characterized in that, the digestible energy content of the daily ration of described raising reproduction performance of gestation sow is 3.0-3.3Mcal/kg.
3. the daily ration of raising reproduction performance of gestation sow according to claim 1 and 2 is characterized in that, in described daily ration, the weight percentage of protein is 13.2-16.2%.
4. the daily ration of raising reproduction performance of gestation sow according to claim 3 is characterized in that, in described daily ration, the weight percentage of protein is 13.5-13.6%.
5. the daily ration of raising reproduction performance of gestation sow according to claim 1 is characterized in that, in described daily ration, but the weight percentage of standard ileum digestible lysine is 0.65%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106983019A (en) * | 2017-04-12 | 2017-07-28 | 华南农业大学 | Sow nutrient fodder and its feeding method and application |
| CN109419565A (en) * | 2017-08-30 | 2019-03-05 | 周建标 | A kind of cow artificial insemination method |
| CN114223793A (en) * | 2021-11-01 | 2022-03-25 | 中国农业大学 | Composition and feed for improving reproductive performance of sows |
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| 冯占雨，译: "母猪妊娠期和哺乳期的理想氨基酸平衡", 《养猪》, no. 2, 31 December 2009 (2009-12-31), pages 19 - 24 * |
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| CN106983019A (en) * | 2017-04-12 | 2017-07-28 | 华南农业大学 | Sow nutrient fodder and its feeding method and application |
| CN109419565A (en) * | 2017-08-30 | 2019-03-05 | 周建标 | A kind of cow artificial insemination method |
| CN114223793A (en) * | 2021-11-01 | 2022-03-25 | 中国农业大学 | Composition and feed for improving reproductive performance of sows |
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