CN111789192A - Functional additive for improving reproductive performance of breeding pigs and preparation method thereof - Google Patents
Functional additive for improving reproductive performance of breeding pigs and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a functional additive for improving the reproductive performance of breeding pigs and a preparation method thereof, wherein the additive comprises active ingredients, and the active ingredients comprise sodium iron chlorophyllin, selenium yeast, zinc yeast, cordyceps militaris extract, epimedium extract and coenzyme Q10Beta-carotene, 25-hydroxyvitamin D3Vitamin E, L-carnitine and fructus Vitis Viniferae. The additive has the effects of supplementing various nutrients, effectively shortening the interval from weaning to oestrus mating of sows, shortening the birth process, improving the litter size and healthy litter size, improving the semen quality of boars, enhancing immunity, resisting stress and the like, and can obviously improve the reproductive performance of boars. The additive has the advantages of wide raw material source, safety, environmental protection, simple preparation process and the like.
Description
Technical Field
The invention belongs to the field of feed additives, and particularly relates to a functional additive for improving reproductive performance of breeding pigs and a preparation method thereof.
Background
With the increase of pig farm intensification degree and raising density, the low breeding performance of mass-produced pigs becomes a difficult problem which troubles the pig industry. According to statistics, before African swine fever is subjected to too many abuse, the number of the bred sows in China is more than 4000 million, the bred sows can theoretically provide at least 8 hundred million healthy weaned piglets but actually provide more than 5 hundred million healthy weaned piglets, and the loss of the breeding performance of the sows to the pig industry in China is huge. Since the African pigs are subjected to the severe pest abuse in 2018, the stock of the sows in China can be bred to be greatly reduced, the stock of the sows can be bred by 2045 thousands of pigs in 12 months in 2019, the stock of the sows is reduced by 31.6% on a par, and under the severe situation, the improvement of the reproductive performance of the breeding pigs is particularly important.
The main manifestations of low reproductive performance of the breeding pigs are congenital reproductive failure of sows, anestrus of replacement sows and multiparous sows, no conception after mating, abortion of the sows, stillbirth of birth, little farrowing, weak farrowing and the like; boar sexual desire is low, impotence, etc. The reason for the low reproductive performance of the breeding pigs includes various aspects such as variety, nutrition, management, diseases and the like, and the most important influencing factor is the unbalanced nutrition. The boar can not only be fed with complete feed to meet the necessary energy and protein nutrition, but also meet the requirements of vitamins and trace elements. In addition, the anti-stress capability of the breeding pigs to the external environment and the immunity to diseases are enhanced, and some prebiotics and immunity increasing agents are also supplemented to improve the resistance of the breeding pigs.
At present, special products aiming at the reproductive performance of breeding pigs in the market are few, antibiotic health products are taken as main products, and the concept of 'breeding and preventing' aiming at breeding pigs is not deep into farmers yet. Particularly, in the current country, under the great trend of 'banning resistance' at the feed end and 'reducing resistance and limiting resistance' at the breeding end, the nutrient and healthy functional additive products are developed, the problems of low reproductive performance, bacterial drug resistance and the like caused by antibiotic residue in the breeding pigs are solved, and the reproductive performance of the breeding pigs is improved rapidly.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a green, safe and efficient functional additive for improving the reproductive performance of breeding pigs.
The invention provides a functional additive for improving the reproductive performance of breeding pigs, which comprises active ingredients, wherein the active ingredients comprise sodium iron chlorophyllin, selenium yeast, zinc yeast, cordyceps militaris extract, epimedium extract and coenzyme Q10Beta-carotene, 25-hydroxyvitamin D3Vitamin E, L-carnitine and polydextrose.
The active ingredients consist of the following raw materials in parts by weight: 300 parts of sodium iron chlorophyllin 100-1010-90 parts of beta-carotene 5-85 parts of 25-hydroxy vitamin D31-30 parts of vitamin E5-30 parts of L-carnitine and 20-200 parts of polydextrose.
Further, the active ingredients consist of the following raw materials in parts by weight: 250 portions of sodium iron chlorophyllin 150-1030-70 parts of beta-carotene 25-60 parts of 25-hydroxy vitamin D35-20 parts of vitamin E10-20 parts of L-carnitine and 50-150 parts of polydextrose.
Furthermore, the active ingredients consist of the following raw materials in parts by weight: 200 parts of sodium iron chlorophyllin, 100 parts of yeast selenium, 100 parts of yeast zinc, 200 parts of cordyceps militaris extract, 200 parts of epimedium extract and coenzyme Q1050 parts of beta-carotene 40 parts and 25-hydroxy vitamin D310 parts of vitamin E15 parts, 10 parts of L-carnitine and 100 parts of polydextrose.
In another aspect of the present invention, a method for preparing a functional additive for improving reproductive performance of breeding pigs is provided, which comprises the following steps:
(1) weighing the raw materials in the active component according to the weight ratio, fully mixing and sieving sodium iron chlorophyllin, selenium yeast, zinc yeast, cordyceps militaris extract, epimedium extract and polydextrose to obtain a component A;
(2) adding coenzyme Q10Beta-carotene, 25-hydroxyvitamin D3Mixing with vitamin E, L-carnitine, spraying pharmaceutically acceptable adjuvants or adjuvant ingredients, coating, and mixing with component A.
In the step (2), the auxiliary material is one or more of ethyl cellulose, hydroxyethyl cellulose, cellulose acetate phthalate, hydroxypropyl methyl cellulose, cellulose acetate, palm oil and the like, and preferably ethyl cellulose. The amount of the sprayed auxiliary materials accounts for 5-10% of the total mass of the functional additive.
The components and the dosage of the additive are obtained according to a large number of repeated practices, and the product contains various organic trace nutrients, vitamins, immune polysaccharide, plant extracts and the like. Sodium iron chlorophyllin is chlorophyll extracted from plant, and has high bioavailability, and can promote hemopoiesis function and improve immunity. The selenium yeast can effectively improve the oxidation resistance of fertilized egg cells and sperms and improve the reproductive capacity of sows. The Cordyceps militaris extract has effects of promoting nutrition absorption, improving animal stress state, promoting healthy growth of organism, resisting oxidation, and regulating immunity. The herba Epimedii extract can strongly stimulate sensory nerve, has special physiological effect of sexual excitation, promotes sex hormone secretion and sex hormone-like effect, and can delay reproductive life and ovary aging. The coenzyme Q10 has the functions of resisting oxidation, scavenging free radicals, resisting tumor, preventing aging, protecting cardiovascular system and the like, and can improve the vitality of the breeding pigs, relieve fatigue, enhance the immunity of the breeding pigs and delay the production cycle of the breeding pigs when being applied to the breeding pigs. The various vitamins contained in the additive can promote the absorption of calcium and phosphorus, so that the sow can maintain a good breeding environment during the mating period, and the nutrients which are lacked by the boar can be improved. The additive can be used for preparing feed additives for improving the reproductive performance of breeding pigs.
Has the advantages that:
1. the additive can effectively improve the reproductive performance of sows, improve the ovulation number and the fertility rate of the sows, reduce the death of embryos and fetuses, obviously shorten the interval from weaning to oestrus, shorten the labor process, improve the litter average litter size and the number of alive litters, and enhance the immunity and the resistance of organisms.
2. The additive can effectively improve the quality of boar semen, increase the semen collection amount of breeding boars, improve the density of the semen, strengthen the activity of the semen, reduce the teratospermia rate, enhance the immunity and anti-stress, and obviously improve the reproductive performance of the breeding boars.
3. The additive has the advantages of wide raw material source, safety, high efficiency, simple preparation process and the like.
Detailed Description
The foregoing will be described in further detail by way of specific embodiments in the form of examples. This should not be construed as limiting the scope of the above-described subject matter to the following examples. All techniques implemented based on the teachings of the present invention are within the scope.
Example 1
A functional additive for improving reproductive performance of breeding pigs is prepared by the following method:
(1) mixing and sieving 100 parts of sodium iron chlorophyllin, 20 parts of yeast selenium, 20 parts of yeast zinc, 100 parts of cordyceps militaris extract, 100 parts of epimedium extract and 20 parts of polydextrose to obtain a component A.
(2) Adding coenzyme Q1010 parts of beta-carotene 5 parts and 25-hydroxy vitamin D31 part of vitamin E5 part and 1 part of L-carnitine are mixed fully and evenly, Ethyl Cellulose (EC) accounting for 5-10% of the total amount of the additive is sprayed into the mixture to be coated, and then the mixture is mixed fully with the component A to prepare powder.
The use method of the obtained additive comprises the following steps: various nutrients related to the reproductive performance of the breeding pigs are supplemented, and the reproductive performance of the breeding pigs is improved. Mixed feeding: 0.5-1g of the additive is added into 1kg of feed for sows and boars.
Example 2
A functional additive for improving reproductive performance of breeding pigs is prepared by the following method:
(1) mixing 300 parts of sodium iron chlorophyllin, 200 parts of selenium yeast, 200 parts of zinc yeast, 300 parts of cordyceps militaris extract, 300 parts of epimedium extract and 200 parts of polydextrose, and sieving to obtain a component A.
(2) Adding coenzyme Q1090 parts of beta-carotene 85 parts and 25-hydroxy vitamin D330 parts of vitamin E30 parts of L-carnitine are fully and uniformly mixed, Ethyl Cellulose (EC) accounting for 5-10% of the total amount of the additive is sprayed into the mixture to be coated, and then the mixture is fully mixed with the component A to prepare powder.
The using method of the obtained additive comprises the following steps: various nutrients related to the reproductive performance of the breeding pigs are supplemented, and the reproductive performance of the breeding pigs is improved. Mixed feeding: 0.5-1g of the additive is added into 1kg of feed for sows and boars.
Example 3
A functional additive for improving reproductive performance of breeding pigs is prepared by the following method:
(1) mixing 150 parts of sodium iron chlorophyllin, 50 parts of selenium yeast, 50 parts of zinc yeast, 150 parts of cordyceps militaris extract, 150 parts of epimedium extract and 50 parts of polydextrose, and sieving to obtain a component A.
(2) Adding coenzyme Q1030 portions of beta-carotene 25 portions and 25-hydroxy vitamin D35 parts of vitamin E10 parts and 5 parts of L-carnitine are fully and uniformly mixed, Ethyl Cellulose (EC) accounting for 5-10% of the total amount of the additive is sprayed for coating, and the mixture is fully mixed with the component A to prepare powder.
The using method of the obtained additive comprises the following steps: various nutrients related to the reproductive performance of the breeding pigs are supplemented, and the reproductive performance of the breeding pigs is improved. Mixed feeding: 0.5-1g of the additive is added into 1kg of feed for sows and boars.
Example 4
A functional additive for improving reproductive performance of breeding pigs is prepared by the following method:
(1) mixing 250 parts of sodium iron chlorophyllin, 150 parts of yeast selenium, 150 parts of yeast zinc, 250 parts of cordyceps militaris extract, 250 parts of epimedium extract and 150 parts of polydextrose, and sieving to obtain a component A;
(2) adding coenzyme Q1070 parts of beta-carotene 60 parts and 25-hydroxy vitamin D320 parts of vitamin E20 parts and 20 parts of L-carnitine are mixed fully and uniformly, Ethyl Cellulose (EC) accounting for 5-10% of the total amount of the additive is sprayed into the mixture to be coated, the component A is added into the mixture, and the mixture is prepared into powder after being mixed fully and uniformly to obtain the feed additive.
The using method of the obtained additive comprises the following steps: various nutrients related to the reproductive performance of the breeding pigs are supplemented, and the reproductive performance of the breeding pigs is improved. Mixed feeding: 0.5-1g of the additive is added into 1kg of feed for sows and boars.
Example 5
A functional additive for improving reproductive performance of breeding pigs is prepared by the following method:
(1) mixing and sieving 200 parts of sodium iron chlorophyllin, 100 parts of selenium yeast, 100 parts of zinc yeast, 200 parts of cordyceps militaris extract, 200 parts of epimedium extract and 100 parts of polydextrose to obtain a component A.
(2) Adding coenzyme Q1050 parts of beta-carotene 40 parts and 25-hydroxy vitamin D3Mixing 10 parts of vitamin E15 parts of L-carnitine 10 parts, spraying Ethyl Cellulose (EC) accounting for 5-10% of the total amount of the additive for coating, adding component A, mixing uniformly and fullyMaking into powder.
The using method of the obtained additive comprises the following steps: various nutrients related to the reproductive performance of the breeding pigs are supplemented, and the reproductive performance of the breeding pigs is improved. Mixed feeding: 0.5-1g of the additive is added into 1kg of feed for sows and boars.
Example 6
A functional additive for improving reproductive performance of breeding pigs is prepared by the following method:
(1) mixing and sieving 100 parts of sodium iron chlorophyllin, 100 parts of selenium yeast, 200 parts of zinc yeast, 200 parts of cordyceps militaris extract, 150 parts of epimedium extract and 100 parts of polydextrose to obtain a component A.
(2) Adding coenzyme Q1030 portions of beta-carotene 25 portions and 25-hydroxy vitamin D330 parts of vitamin E10 parts of L-carnitine, 5 parts of L-carnitine, spraying Ethyl Cellulose (EC) accounting for 5-10% of the total amount of the additive to coat, adding the component A, and preparing powder after fully mixing.
The using method of the obtained additive comprises the following steps: various nutrients related to the reproductive performance of the breeding pigs are supplemented, and the reproductive performance of the breeding pigs is improved. Mixed feeding: 0.5-1g of the additive is added into 1kg of feed for sows and boars.
Example 7
A functional additive for improving reproductive performance of breeding pigs is prepared by the following method:
(1) mixing 300 parts of sodium iron chlorophyllin, 100 parts of selenium yeast, 200 parts of zinc yeast, 150 parts of cordyceps militaris extract, 200 parts of epimedium extract and 50 parts of polydextrose, and sieving to obtain a component A.
(2) Adding coenzyme Q1060 portions of beta-carotene, 60 portions of 25-hydroxy vitamin D330 parts of vitamin E30 parts of L-carnitine, 20 parts of L-carnitine, spraying Cellulose Acetate Phthalate (CAP) accounting for 5-10% of the total amount of the additive to coat, adding the component A, and preparing powder after fully mixing to obtain the feed.
The using method of the obtained additive comprises the following steps: various nutrients related to the reproductive performance of the breeding pigs are supplemented, and the reproductive performance of the breeding pigs is improved. Mixed feeding: 0.5-1g of the additive is added into 1kg of feed for sows and boars.
Example 8
A functional additive for improving reproductive performance of breeding pigs is prepared by the following method:
(1) mixing and sieving 100 parts of sodium iron chlorophyllin, 200 parts of yeast selenium, 150 parts of yeast zinc, 300 parts of cordyceps militaris extract, 200 parts of epimedium extract and 150 parts of polydextrose to obtain a component A.
(2) Adding coenzyme Q1050 parts of beta-carotene 30 parts and 25-hydroxy vitamin D330 parts of vitamin E30 parts of L-carnitine, and 15 parts of L-carnitine, mixing the components uniformly, spraying hydroxypropyl methylcellulose (HPMC) accounting for 5-10% of the total amount of the additive to coat the mixture, adding the component A, mixing the components uniformly, and preparing powder.
The using method of the obtained additive comprises the following steps: various nutrients related to the reproductive performance of the breeding pigs are supplemented, and the reproductive performance of the breeding pigs is improved.
Mixed feeding: 0.5-1g of the additive is added into 1kg of feed for sows and boars.
In order to show the effect of the additive of the invention on improving the reproductive performance of breeding pigs, clinical effect observation tests are carried out on the additive of the invention, and the beneficial effects of the additive of the invention are further illustrated by test examples.
Test example 1 Effect of the additive of the present invention on the reproductive Performance of sows
1.1 test materials
The additives of the invention were prepared for testing according to the methods of the invention for preparing the additives of examples 1, 2, 3, 4 and 5.
1.2 test animals and diets
Selecting 600 sows (Changbai multiplied by Dabai) with good health condition at the late stage of gestation and basically consistent gestation times and breeding date after breeding, randomly dividing the sows into 6 groups, testing 100 sows in each group together with piglets born by the test sows, and weaning the piglets for 21 days. The test was divided into 6 groups including control group, test 1 group, test 2 group, test 3 group, test 4 group and test 5 group. The experimental design is as follows:
TABLE 1 design of the experiments
| Group of | Feed |
| Control group | Basal diet |
| Test 1 group | Basal diet +1kg/t of additive obtained in example 1 of the invention |
| Test 2 groups | Basal diet +1kg/t of additive obtained in example 2 of the invention |
| Test 3 groups | Basal diet +1kg/t of additive obtained in example 3 of the invention |
| Test 4 groups | Basal diet +1kg/t of additive obtained in inventive example 4 |
| Test 5 groups | Basal diet +1kg/t of additive obtained in inventive example 5 |
The basic feed mainly comprises corn-soybean meal. The sow diets were designed with reference to the pregnant sow requirements of NRC (1998), and the composition and nutritional levels are shown in table 2.
TABLE 2 basal diet composition and Nutrition level (Dry matter basis)
| Item | Content (wt.) | Nutritional levels | Content (wt.) |
| Corn (%) | 67.50 | Digestion energy (Mcal/kg) | 12.55 |
| Soybean meal (%) | 6.50 | Crude protein (%) | 13.50 |
| Bran (%) | 18.00 | Calcium (%) | 1.09 |
| Fish meal (%) | 4.00 | Phosphorus (%) | 0.57 |
| Premix (%) | 4.00 | Lysine (%) | 0.94 |
| In total (%) | 100 |
1.3 Breeding management
The feeding test was carried out in a pig farm of Liuyang in Hunan in 3 months of 2018. The test sows entered the formal phase after weaning of piglets until 3 weeks post parturition, and the test lasted for a total of 135 days. The sows are fed 1 time respectively in the morning and at night every day, and water is freely drunk. The feeding management and immunization procedures of the test sows and the suckling piglets are carried out according to the normal operating rules.
1.4 index determination
(1) The sow production performance index is as follows: average daily feed intake, average litter size, number of born alive, number of dead births and rate of alive births; (2) the piglet growth performance indexes are as follows: the birth weight, the weaned weight and the average daily gain of the piglets.
1.5 data processing and analysis
Values in each group are expressed as mean. + -. standard deviation
The results show that the comparison among the groups adopts variance analysis, the data of each group are pairwise compared, the significant difference is statistically significant when P is less than 0.05, and all data are statistically processed by using PASSWStatistics18.0 edition analysis software.
2 results and analysis
2.1 Effect of the additives of the invention on the reproductive Performance of sows
TABLE 3 Effect of additives of the invention on reproductive performance of sows
Note: the same lower case letters of the shoulder marks of the same row indicate that the difference is not significant (P >0.05), and the different lower case letters indicate that the difference is significant (P <0.05)
It can be seen from the table that the group 3, the group 4 and the group 5 all significantly improved the average daily food intake of the sows compared to the control group, with the group 5 having the best effect and 3.68% higher (P < 0.01) than the control group. The average litter size of the test groups was higher than that of the control group.
Compared with a control group, each group of the test group can improve the litter size of the sow by 7.4-21.1%, and the difference of the test 5 groups is obvious (P is less than 0.05); compared with a control group, each group of the test can improve the number of born alive sows by 9.8-28.8%, and the difference among the group 3, the group 4 and the group 5 is obvious (P is less than 0.05); compared with a control group, each test group can reduce the number of dead tires, and the test 5 group reduces the number of dead tires by 40.2 percent compared with the control group, so that the effect is most obvious.
The results are combined to show that the additive of the invention with different levels is added into the daily ration of the sow, so that the production performance of the sow can be improved, the number of dead piglets is effectively reduced, the survival rate of the piglets is improved, and the growth and development of the suckling piglets are guaranteed. Of these, test 5 had the best results.
2.2 Effect of the additives of the invention on the Productivity of suckling piglets
TABLE 4 Effect of the additives of the invention on the performance of suckling piglets
| Group of | Birth weight (kg/head) | Weight weaning (kg/head) | Average daily gain (g) | Survival rate of weaned pig (%) |
| Control group | 1.43±0.04c | 5.86±0.10c | 202.64±11.70c | 90.93±0.77d |
| Test 1 group | 1.46±0.03c | 5.98±0.09bc | 210.61±10.14bc | 92.39±0.63c |
| Test 2 groups | 1.47±0.02c | 6.00±0.25bc | 216.17±12.57bc | 92.18±0.52c |
| Test 3 groups | 1.53±0.04b | 6.18±0.21b | 220.53±9.62ab | 94.04±0.75b |
| Test 4 groups | 1.54±0.05b | 6.23±0.16ab | 221.73±10.36ab | 94.33±0.97b |
| Test 5 groups | 1.62±0.04a | 6.46±0.18a | 233.08±8.48a | 96.36±0.81a |
As can be seen from the table, the birth weight and the weaning weight of the piglets of each test group are higher than those of the piglets of the control group, wherein the birth weight and the weaning weight of the piglets of each test group can be obviously improved by the 3, 4 and 5 groups, respectively, 6.99 percent (P is less than 0.05), 7.69 percent (P is less than 0.05) and 13.29 percent (P is less than 0.01) of the birth weight and the weaning weight of the piglets of each test group, respectively, 5.46 percent (P is less than 0.05), 6.31 percent (P is less than 0.05) and 10.24 percent (P is less than 0.01) of the weaning weight. The average daily gain of each group is increased by 3.93 percent (P is more than 0.05), 6.68 percent (P is more than 0.05), 8.83 percent (P is less than 0.05), 9.42 percent (P is less than 0.05) and 15.02 percent (P is less than 0.01) compared with the control group.
The survival rate of weaned piglets of each group is obviously higher than that of the control group, wherein the effect of the 5 groups is most obvious, the survival rate is improved by 5.97 percent (P is less than 0.01) compared with the control group, and the survival rate of weaned piglets of the 3 groups and the 4 groups is respectively improved by 3.42 percent (P is less than 0.01) and 3.74 percent (P is less than 0.01) compared with the control group. Although the survival rate of the weaned piglets of the test 1 group and the test 2 group is lower than that of the test 3, the test 4 and the test 5 group, the survival rate is respectively improved by 1.60 percent (P is less than 0.05) and 1.37 percent (P is less than 0.05) compared with the control group.
Therefore, the additive of the invention with different levels is added into the feed for the sows, so that the birth weight and the weaning weight of the piglets can be increased, and the survival rate of the weaned piglets is obviously improved. From the observation condition every day, the growth vigor of the piglets of the test group is more lively and happy, the fur is smooth, the skin is ruddy, the growth speed is high, the ill condition is less, and the uniformity is high.
The results are combined to show that the additive provided by the invention is added into the sow daily ration, so that the additive has positive effects of improving the health condition of sows and improving the productivity of the sows, the health growth of piglets is guaranteed, the health condition of the piglets is improved to different degrees, and the productivity of the piglets can be improved.
Test example 2 Effect of the additive of the present invention on the reproductive Performance of breeding boars
1.1 test materials
The additive of the invention was prepared for testing according to the method for preparing the additive of the invention in example 5.
1.2 test animals and groups
The test is carried out in 2018, 9 months, in a certain-scale farm in Henan, 30 Duroc boars of about 15 months of age and with the weight of 160kg +/-10 kg and similar body health and reproductive performance are randomly selected and divided into a control group and two additive test groups of the invention, and 10 pigs in each group are tested. The control group was fed basal diet without any additive product; the additive prepared in example 5 of the present invention was carried out in two test groups, the amounts of the first and second test groups being 500g/T and 750g/T, respectively. The feeding conditions of 3 groups of test boars are ensured to be consistent in the test process.
1.3 detection index
Semen collection time, semen collection amount, semen density, semen motility, and semen teratogenesis rate.
1.4 data processing and analysis
Values in each group are expressed as mean. + -. standard deviation
The results show that the comparison among the groups adopts variance analysis, the data of each group are pairwise compared, the significant difference is statistically significant when P is less than 0.05, and all data are statistically processed by using PASSWStatistics18.0 edition analysis software.
2 results and analysis
The effect of the additives of the present invention on boar productivity is shown in table 5.
TABLE 5 Effect of the additives of the present invention on the production Performance of breeder boars
Note: the addition levels of the test 1 and the test 2 are respectively 500g/T and 750g/T, a represents significant difference, and aa represents very significant difference.
And (3) test results: compared with a control group, the addition of 750g/T of the additive of the invention can effectively improve the semen collection amount of the breeding boar by 10.3-14.8%, improve the sperm density by 15.0-20.2%, improve the sperm motility by 3.50-5.66% and effectively prolong the semen collection time by 8-17 s. Compared with the control group, the sperm teratogenesis rate of the additive group is slightly reduced, but the difference is not obvious.
Test example 3 Effect of additives and related ingredients according to the invention on the Productivity of pregnant sows
1.1 test materials
The additive of the invention: the raw materials and the carrier are weighed according to the components and the proportion in the example 5, and the additive is prepared for the test after being fully and uniformly mixed. Yeast selenium + epimedium extract group: 100g of selenium yeast and 200g of epimedium extract are taken, and 725g of glucose is added to be fully mixed to prepare a control group of selenium yeast and epimedium extract.
1.2 test animals and groups
The test was carried out in a cooperative pig farm that went Yang in Hunan in 2017 in 4-7 months. 55 lactating sows with similar gestation, health, no disease and the same or similar body conditions are selected and randomly divided into 3 groups. Feeding the blank control group with 15 heads of basic ration without adding any additive product; the additive group of the invention is 20, and 1kg/T of the additive of the invention is added into basic daily ration; the yeast selenium and epimedium extract are added into 20 groups, and the product is 1 kg/T. The trial started from 1 month prenatal until the end of the piglet at weaning, for a total of 55 days. The feeding management and immunization procedures during the experiment were performed according to the routine procedures.
1.3 detection index
And recording the data of the number born, the number born alive, the birth process, the number of weaned piglets, the first diarrhea of the piglets in the lactation period, the average weight of weaning and the like of each sow.
1.4 data processing and analysis
Comparison of test data by X2And (4) testing and analyzing, wherein the significance difference is that p is less than 0.05, the statistical significance is achieved, and all data are subjected to statistical treatment by using PASSWStatistics18.0 edition analysis software.
2 results and analysis
The effect of the additives and related ingredients of the present invention on the performance of pregnant sows is shown in table 6.
TABLE 6 Effect of additives of the invention on the Productivity of pregnant sows
| Item | Additive package of the invention | Yeast selenium + epimedium extract group | Blank control group |
| The first time of sow | 20 | 20 | 15 |
| Newborn piglet | 203 | 206 | 151 |
| Number of born alive offspring | 199 | 198 | 135 |
| Mean labor (min) | 152a | 183b | 226c |
| Number of weaned piglets | 196 | 190 | 128 |
| First time of diarrhea | 7a | 24c | 16b |
| Number of deaths | 2 | 5 | 3 |
| 25 days weaning survival rate% | 96.5a | 92.2b | 84.7c |
| Weight of weaning is kg | 6.81 | 6.40 | 6.22 |
Note: the letters differ significantly as compared to the same row.
And (3) test results: compared with the yeast selenium + epimedium herb extract group and the blank control group, the average labor process, the first time of diarrhea, the 25-day weaning survival rate and the average weaning weight of the additive group have significant differences (p is less than 0.05); compared with a blank control group, the yeast selenium and epimedium herb extract group has significant differences in average production process, diarrhea first time and 25-day weaning survival rate (p is less than 0.05). The result proves that the production performance of the additive on pregnant sows is superior to that of the selenium yeast and the epimedium extract.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A functional additive for improving reproductive performance of breeding pigs comprises active ingredients, wherein the active ingredients comprise sodium iron chlorophyllin, selenium yeast, zinc yeast, Cordyceps militaris extract, herba Epimedii extract, and coenzyme Q10Beta-carotene, 25-hydroxyvitamin D3Vitamin E, L-carnitine and polydextrose.
2. The functional additive for improving reproductive performance of pigs according to claim 1, wherein the active ingredients comprise the following raw materials by weight: 300 parts of sodium iron chlorophyllin 100-1010-90 parts of beta-carotene 5-85 parts of 25-hydroxy vitamin D31-30 parts of vitamin E, 5-30 parts of L-carnitine and 20-200 parts of polydextrose.
3. The functional additive for improving reproductive performance of breeding pigs according to claim 1 or 2, wherein the active ingredients comprise the following raw materials in parts by weight: 250 portions of sodium iron chlorophyllin 150-1030-70 parts of beta-carotene 25-60 parts of 25-hydroxy vitamin D35-20 parts of vitamin E10-20 parts of L-carnitine and 50-150 parts of polydextrose.
4. The functional additive for improving reproductive performance of pigs according to any one of claims 1-3, wherein the active ingredients comprise the following raw materials in parts by weight: 200 parts of sodium iron chlorophyllin, 100 parts of yeast selenium, 100 parts of yeast zinc, 200 parts of cordyceps militaris extract, 200 parts of epimedium extract and coenzyme Q1050 parts of beta-carotene 40 parts and 25-hydroxy vitamin D310 parts of vitamin E15 parts, 10 parts of L-carnitine and 100 parts of polydextrose.
5. A method for preparing the functional additive for improving the reproductive performance of breeding pigs, which is disclosed in any one of claims 1 to 4, comprises the following steps:
(1) weighing the raw materials in the active component according to the weight ratio, fully mixing and sieving sodium iron chlorophyllin, selenium yeast, zinc yeast, cordyceps militaris extract, epimedium extract and polydextrose to obtain a component A;
(2) adding coenzyme Q10Beta-carotene, 25-hydroxyvitamin D3Mixing with vitamin E, L-carnitine, spraying pharmaceutically acceptable adjuvants, coating, and mixing with component A.
6. The preparation method according to claim 5, wherein the auxiliary material in step (2) is one or more of ethyl cellulose, hydroxyethyl cellulose, cellulose acetate phthalate, hydroxypropyl methyl cellulose, cellulose acetate, and palm oil.
7. The use of the functional additive for improving reproductive performance of breeding pigs as defined in any one of claims 1-6 in the preparation of feed additive for improving reproductive performance of breeding pigs.
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| CN113519712A (en) * | 2021-07-22 | 2021-10-22 | 西安乐民反刍动物研究所 | Nutritional type anti-substitution feed additive for preventing African swine fever and preparation method thereof |
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