CN115777840B - Feed additive for improving pork quality and preparation method thereof - Google Patents
Feed additive for improving pork quality and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a feed additive for improving pork quality and a preparation method thereof, belonging to the technical field of feed additives, wherein the preparation method comprises the following steps: preparing active ingredients of the Chinese herbal medicines, preparing an absorption promoter, and mixing; the preparation of the absorption enhancer comprises the steps of mixing microcrystalline cellulose, tremella polysaccharide and chitosan, adding the mixture into a reactor, stirring, adding methionine, phytic acid and sodium hexametaphosphate into the reactor, vacuumizing, introducing nitrogen into the reactor until the gas pressure is 0.12-0.14MPa, stirring, and obtaining the absorption enhancer after the stirring is finished; the invention can improve pork quality, improve palatability of the feed additive, shorten action time of the feed additive and reduce the dosage of Chinese herbal medicines in the feed additive.
Description
Technical Field
The invention relates to the technical field of feed additives, in particular to a feed additive for improving pork quality and a preparation method thereof.
Background
The feed additive is a small amount or trace amount of substances added in the production, processing and use processes of feed, and the feed additive has a small amount but a remarkable effect in feed. The feed additive is a raw material inevitably used in modern feed industry, and has obvious effects on strengthening the nutritive value of basic feed, improving the production performance of animals, ensuring the health of the animals, saving the feed cost, improving the quality of animal products and the like.
With the continuous improvement of living standard and the continuous upgrading of meat demand, people are pursuing higher pork quality, and breeding and nutrition workers in various countries also shift the energy from the pure pursuit of high-efficiency pork production to the comprehensive improvement of the growth speed, the feed conversion ratio and the lean meat percentage of pigs. However, the conventional pig feed additive mainly aims at improving the growth speed of pork pigs, such as pine needle powder, mirabilite, zeolite, copper sulfate and the like, but the pork pigs are soft in meat quality, poor in delicate flavor and strong in peculiar smell after being used for a long time, and the pork pigs grow rapidly under the action of the feed additive, a large amount of redundant water and waste are generated in vivo, and if the water and the waste cannot be excreted in time, the activity and the meat quality flavor of the pork pigs are influenced by residues in vivo, so that the pork pigs are poor in quality.
In order to increase the growth speed of pigs, improve the pork quality and reduce side effects, the most common method at present is to add Chinese herbal medicine components as antioxidants, but the addition of the Chinese herbal medicine components can influence the palatability of feed additives, so that the consumption of the pork pigs on the feed is reduced, and the Chinese herbal medicine has the defects of long action time, slow action and large dosage, and can improve the pork quality only by using the Chinese herbal medicine for a long time and in a large dosage.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the feed additive for improving the pork quality and the preparation method thereof, which can improve the pork quality, improve the palatability of the feed additive, shorten the action time of the feed additive and reduce the dosage of Chinese herbal medicines in the feed additive.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a preparation method of a feed additive for improving pork quality comprises the following steps: preparing active ingredients of the Chinese medicinal herbs, preparing absorption enhancer, and mixing.
The preparation method comprises the steps of preparing Chinese herbal medicine active ingredients, cleaning folium cortex eucommiae, honeysuckle, pine needles, liquorice, hawthorn, dried orange peel, cinnamon, astragalus and codonopsis pilosula respectively, drying at 50-55 ℃, and crushing to 200-300 meshes respectively to obtain folium cortex eucommiae powder, honeysuckle powder, pine needle powder, liquorice powder, hawthorn powder, tangerine peel powder, cinnamon powder, radix astragali powder and codonopsis pilosula powder, then uniformly mixing the folium cortex eucommiae powder, the honeysuckle powder, the pine needle powder, the liquorice powder, the hawthorn powder, the tangerine peel powder, the cinnamon powder, the astragalus powder and the codonopsis pilosula powder according to a mass ratio of 10-13; ball-milling the Chinese herbal medicine powder, betaine, stevioside and calcium lactate, wherein the ball-material ratio during ball-milling is controlled to be 18-20;
in the preparation of the Chinese herbal medicine active ingredients, the weight ratio of mixed powder, soybean phospholipid, disodium hydrogen phosphate and deionized water is (50-53);
in the preparation of the Chinese herbal medicine active ingredients, the weight ratio of Chinese herbal medicine powder, betaine, stevioside and calcium lactate is (100-104).
The preparation of the absorption enhancer comprises the steps of mixing microcrystalline cellulose, tremella polysaccharide and chitosan, adding the mixture into a reactor, stirring, controlling the stirring temperature to be 25-30 ℃, the rotating speed to be 40-60rpm, and the stirring time to be 35-40min, then adding methionine, phytic acid and sodium hexametaphosphate into the reactor, controlling the temperature of the reactor to be 45-50 ℃, vacuumizing to the vacuum degree of 0.08-0.085MPa, then introducing nitrogen into the reactor until the gas pressure is 0.12-0.14MPa, continuing stirring at the rotating speed of 40-60rpm for 1-1.5h, and obtaining the absorption enhancer after stirring;
in the preparation absorption promoter, the weight ratio of microcrystalline cellulose to tremella polysaccharide to chitosan to methionine to phytic acid to sodium hexametaphosphate is 30-32.
Mixing, namely adding the active ingredients of the Chinese herbal medicines, an absorption promoter, magnesium sulfate, ferrous fumarate, tea saponin and sucrose into a reactor, stirring at the temperature of 25-30 ℃ and the rotating speed of 40-60rpm for 50-55min, and stirring to obtain the feed additive for improving the pork quality;
in the mixing, the weight ratio of the Chinese herbal medicine active ingredients, the absorption enhancer, the magnesium sulfate, the ferrous fumarate, the tea saponin and the sucrose is (50-54).
A feed additive for improving pork quality is prepared by the above preparation method.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the preparation method of the feed additive for improving the pork quality, disclosed by the invention, the palatability of the feed additive can be improved by treating Chinese herbal medicine powder, the prepared feed additive is added into basic ration according to the weight percentage of 0.3%, 150-day healthy fattening pigs are continuously fed for 10 days, the daily average feed intake is 1723.6-1759.4g, and the daily average feed intake is 2058.7-2102.1g during 20 days;
(2) According to the preparation method of the feed additive for improving the pork quality, the absorption enhancer is added, so that the pork quality can be improved, the action time of the feed additive is shortened, the feed additive prepared according to the invention is added into basic ration according to the weight percentage of 0.3%, and after the feed additive is continuously fed to healthy fattening pigs of 150 days old for 10 days, the feed-meat ratio is increased2.03-2.06, the eye muscle area in pork is 42.1-43.7cm 2 Intramuscular fat is 2.24-2.31%, drip loss is 1.52-1.58%, blood calcium is 2.20-2.27mmol/L, blood phosphorus is 7.13-7.18mmol/L, blood magnesium is 0.81-0.87mmol/L, blood sugar is 4.38-4.49mmol/L, and cortisol is 85.7-87.1mmol/L; after feeding for 20 days, the feed-meat ratio is 2.29-2.31, and the eye muscle area of pork is 44.8-45.9cm 2 Intramuscular fat of 2.33-2.42%, drip loss of 1.44-1.51%, serum calcium of 2.15-2.21mmol/L, serum phosphorus of 7.01-7.07mmol/L, serum magnesium of 0.77-0.82mmol/L, blood sugar of 4.27-4.38mmol/L, and cortisol of 87.8-89.2mmol/L;
(3) According to the preparation method of the feed additive for improving the pork quality, disclosed by the invention, the Chinese herbal medicine powder is treated and the absorption promoting agent is added, so that the absorption of the Chinese herbal medicines is promoted, and meanwhile, the dosage of the Chinese herbal medicines in the feed additive is reduced.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, specific embodiments of the present invention will now be described.
Example 1
A preparation method of a feed additive for improving pork quality comprises the following steps:
1. preparing active ingredients of the Chinese herbal medicines: cleaning eucommia leaves, honeysuckle, pine needles, liquorice, hawthorn, dried orange peel, cinnamon, astragalus and codonopsis pilosula, drying at 50 ℃, respectively crushing to 200 meshes to obtain eucommia leaf powder, honeysuckle powder, pine needle powder, liquorice powder, hawthorn powder, tangerine peel powder, cinnamon powder, astragalus powder and codonopsis pilosula powder, uniformly mixing the eucommia leaf powder, the honeysuckle powder, the pine needle powder, the liquorice powder, the hawthorn powder, the tangerine peel powder, the cinnamon powder, the astragalus powder and the codonopsis pilosula powder according to a mass ratio of 10.5; ball-milling the Chinese herbal medicine powder, betaine, stevioside and calcium lactate, controlling the ball-material ratio during ball milling to be 18;
wherein the weight ratio of the mixed powder, the soybean lecithin, the disodium hydrogen phosphate and the deionized water is 50;
wherein, the weight ratio of the Chinese herbal medicine powder, the betaine, the stevioside and the calcium lactate is 100.
2. Preparing an absorption promoter: mixing microcrystalline cellulose, tremella polysaccharide and chitosan, adding the mixture into a reactor, stirring, controlling the stirring temperature to be 25 ℃, the rotation speed to be 40rpm and the stirring time to be 35min, then adding methionine, phytic acid and sodium hexametaphosphate into the reactor, controlling the temperature of the reactor to be 45 ℃, vacuumizing to the vacuum degree of 0.08MPa, then introducing nitrogen into the reactor until the gas pressure is 0.12MPa, continuing stirring at the rotation speed of 40rpm for 1h, and obtaining an absorption promoting agent after stirring;
wherein the weight ratio of the microcrystalline cellulose to the tremella polysaccharide to the chitosan to the methionine to the phytic acid to the sodium hexametaphosphate is 30.
3. Mixing: adding the active ingredients of the Chinese herbal medicines, an absorption promoter, magnesium sulfate, ferrous fumarate, tea saponin and sucrose into a reactor, stirring at 25 ℃, 40rpm for 50min, and stirring to obtain the feed additive for improving the pork quality;
wherein, the weight ratio of the Chinese herbal medicine active ingredients to the absorption enhancer to the magnesium sulfate to the ferrous fumarate to the tea saponin to the sucrose is 50.
Example 2
A preparation method of a feed additive for improving pork quality specifically comprises the following steps:
1. preparing active ingredients of the Chinese herbal medicines: cleaning folium cortex eucommiae, honeysuckle, pine needles, liquorice, hawthorn, dried orange peel, cinnamon, astragalus membranaceus and codonopsis pilosula respectively, drying at 52 ℃, and crushing to 250 meshes respectively to obtain folium eucommiae powder, honeysuckle powder, pine needle powder, liquorice powder, hawthorn powder, tangerine peel powder, cinnamon powder, astragalus membranaceus powder and codonopsis pilosula powder, then uniformly mixing the folium eucommiae powder, honeysuckle powder, pine needle powder, liquorice powder, hawthorn powder, tangerine peel powder, cinnamon powder, astragalus membranaceus powder and codonopsis pilosula powder according to a mass ratio of 12 to 4, 2.5; ball-milling the Chinese herbal medicine powder, betaine, stevioside and calcium lactate, controlling the ball-material ratio in ball milling to be 19;
wherein the weight ratio of the mixed powder, the soybean lecithin, the disodium hydrogen phosphate and the deionized water is 52.5;
wherein, the weight ratio of the Chinese herbal medicine powder, the betaine, the stevioside and the calcium lactate is 102.
2. Preparing an absorption promoter: mixing microcrystalline cellulose, tremella polysaccharide and chitosan, adding the mixture into a reactor, stirring, controlling the stirring temperature to be 28 ℃, the rotation speed to be 50rpm and the stirring time to be 38min, adding methionine, phytic acid and sodium hexametaphosphate into the reactor, controlling the temperature of the reactor to be 48 ℃, vacuumizing to the vacuum degree of 0.082MPa, introducing nitrogen into the reactor until the gas pressure is 0.13MPa, continuing stirring at the rotation speed of 50rpm for 1.2h, and obtaining the absorption promoter after stirring;
wherein the weight ratio of the microcrystalline cellulose to the tremella polysaccharide to the chitosan to the methionine to the phytic acid to the sodium hexametaphosphate is 31.5.
3. Mixing: adding the Chinese herbal medicine active ingredients, an absorption promoter, magnesium sulfate, ferrous fumarate, tea saponin and sucrose into a reactor, stirring at 28 deg.C and 50rpm for 52min, and stirring to obtain the feed additive for improving pork quality;
wherein, the weight ratio of the Chinese herbal medicine active ingredients, the absorption enhancer, the magnesium sulfate, the ferrous fumarate, the tea saponin and the cane sugar is 52.
Example 3
A preparation method of a feed additive for improving pork quality comprises the following steps:
1. preparing Chinese herbal medicine active ingredients: cleaning folium cortex eucommiae, honeysuckle, pine needles, liquorice, hawthorn, dried orange peel, cinnamon, astragalus and codonopsis pilosula, drying at 55 ℃, and crushing to 300 meshes respectively to obtain folium eucommiae powder, honeysuckle powder, pine needle powder, liquorice powder, hawthorn powder, tangerine peel powder, cinnamon powder, astragalus powder and codonopsis pilosula powder, then uniformly mixing the folium eucommiae powder, honeysuckle powder, pine needle powder, liquorice powder, hawthorn powder, tangerine peel powder, cinnamon powder, astragalus powder and codonopsis pilosula powder according to a mass ratio of 13.8; ball-milling the Chinese herbal medicine powder, betaine, stevioside and calcium lactate, controlling the ball-material ratio in ball milling to be 20;
wherein the weight ratio of the mixed powder, the soybean lecithin, the disodium hydrogen phosphate and the deionized water is 53;
wherein, the weight ratio of the Chinese herbal medicine powder, the betaine, the stevioside and the calcium lactate is 104.
2. Preparing an absorption promoter: mixing microcrystalline cellulose, tremella polysaccharide and chitosan, adding the mixture into a reactor, stirring, controlling the stirring temperature to be 30 ℃, the rotating speed to be 60rpm, and the stirring time to be 40min, then adding methionine, phytic acid and sodium hexametaphosphate into the reactor, controlling the temperature of the reactor to be 50 ℃, vacuumizing to the vacuum degree of 0.085MPa, then introducing nitrogen into the reactor until the gas pressure is 0.14MPa, continuing stirring at the rotating speed of 60rpm for 1.5h, and obtaining the absorption promoting agent after stirring;
wherein the weight ratio of the microcrystalline cellulose to the tremella polysaccharide to the chitosan to the methionine to the phytic acid to the sodium hexametaphosphate is 32.
3. Mixing: adding the active ingredients of the Chinese herbal medicines, an absorption promoter, magnesium sulfate, ferrous fumarate, tea saponin and sucrose into a reactor, stirring at the temperature of 30 ℃, the rotating speed of 60rpm for 55min, and stirring to obtain the feed additive for improving the pork quality;
wherein, the weight ratio of the Chinese herbal medicine active ingredients to the absorption enhancer to the magnesium sulfate to the ferrous fumarate to the tea saponin to the sucrose is 54.
Comparative example 1
The preparation method of the feed additive for improving pork quality in example 3 is adopted, and the difference is that: in the step 1, the treatment of the Chinese herbal medicine powder is omitted, namely the step 1 for preparing the Chinese herbal medicine active ingredients is changed into the following steps:
cleaning eucommia leaves, honeysuckle, pine needles, liquorice, hawthorn, dried orange peel, cinnamon, astragalus and codonopsis pilosula, drying at 55 ℃, and respectively crushing to 300 meshes to obtain eucommia leaf powder, honeysuckle powder, pine needle powder, liquorice powder, hawthorn powder, tangerine peel powder, cinnamon powder, astragalus powder and codonopsis pilosula powder, and then uniformly mixing the eucommia leaf powder, the honeysuckle powder, the pine needle powder, the liquorice powder, the hawthorn powder, the tangerine peel powder, the cinnamon powder, the astragalus powder and the codonopsis pilosula powder according to a mass ratio of 13.7.
Comparative example 2
The preparation method of the feed additive for improving pork quality in embodiment 3 is different from the following steps: the preparation of the absorption promoting agent in the step 2 and the addition of the absorption promoting agent in the step 3 are omitted.
Comparative example 3
The preparation method of the feed additive for improving pork quality in example 3 is adopted, and the difference is that: omitting the treatment of the Chinese herbal medicine active ingredients in the step 1, omitting the step 2 for preparing the absorption promoting agent, omitting the addition of the absorption promoting agent in the step 3 for mixing, and doubling the dosage of the Chinese herbal medicine active ingredients in the step 3, specifically:
1. preparing Chinese herbal medicine active ingredients: cleaning folium cortex eucommiae, honeysuckle, pine needle, liquorice, hawthorn, dried orange peel, cinnamon, astragalus and codonopsis pilosula, drying at 55 ℃, and respectively crushing to 300 meshes to obtain folium eucommiae powder, honeysuckle powder, pine needle powder, liquorice powder, hawthorn powder, tangerine peel powder, cinnamon powder, astragalus powder and codonopsis pilosula powder, and then uniformly mixing the folium eucommiae powder, honeysuckle powder, pine needle powder, liquorice powder, hawthorn powder, tangerine peel powder, cinnamon powder, astragalus powder and codonopsis pilosula powder according to a mass ratio of 13.8.
2. Mixing: adding the Chinese herbal medicine active ingredients, magnesium sulfate, ferrous fumarate, tea saponin and sucrose into a reactor, stirring, controlling the stirring temperature at 30 ℃, the rotation speed at 60rpm and the stirring time at 55min, and obtaining the feed additive for improving the pork quality after the stirring is finished;
wherein, the weight ratio of the Chinese herbal medicine active ingredients to the magnesium sulfate to the ferrous fumarate to the tea saponin to the sucrose is 108.
Test example 1
The feed additives for improving the quality of pork prepared in examples 1 to 3 and comparative examples 1 to 3 were subjected to a feeding effect test, and the test methods and results were as follows:
selecting 150 healthy fattening pigs aged in 150 days, numbering each pig, numbering 1-120 pigs, randomly dividing the pigs into 6 groups and numbering, numbering 1-6 groups, feeding the fattening pigs in different houses, feeding the fattening pigs in the same group into the same pigsty, controlling the temperature of each pigsty to be 25 ℃ and the relative humidity to be 70%, ensuring that the other growth environmental conditions of the pigs in each group are completely consistent, and performing free feeding, free drinking and dung cleaning twice a day on all the fattening pigs to keep the inside of the pigsty clean;
the feed additives for improving the pork quality prepared in the examples 1 to 3 and the comparative examples 1 to 3 are respectively added into corn-soybean meal type basic ration for fattening pigs according to the weight percentage of 0.3%, and then each group of fattening pigs are respectively fed, and the feeding correspondence relationship is as follows:
weighing and recording each fattening pig before feeding, recording daily feed intake of each fattening pig group during feeding, weighing and recording each fattening pig after 10 days, and then calculating daily average feed intake, daily gain and feed conversion ratio of each fattening pig in each fattening pig group, wherein the calculation results are as follows:
then, 2 pigs were slaughtered randomly for each group, eye muscle area, intramuscular fat, drip loss, blood calcium, blood phosphorus, blood magnesium, blood sugar, and cortisol in blood were measured, and the average value for each group was calculated.
As can be seen from the above results, the average value of the daily average feed intake was low during 10 days after feeding the basal diet to which the feed additives of comparative example 1 and comparative example 3 were added, indicating that the palatability of the feed additives of comparative example 1 and comparative example 3 was poor; after feeding the basic ration added with the feed additives of comparative example 1 and comparative example 2 for 10 days, compared with the results of examples 1-3, the feed meat ratio is higher, and the pork quality is lower; after the basic ration added with the feed additive in the comparative example 3 is fed for 10 days, the feed-meat ratio and the pork quality are not greatly different from the results of the examples 1 to 3, which shows that the feed additive prepared in the examples 1 to 3 can realize better feed effect under the condition of low content of the active ingredients of the Chinese herbal medicines.
Weighing and recording each fattening pig after continuously feeding for 20 days, and then calculating the average daily feed intake, the daily gain and the feed-meat ratio of each fattening pig in each group of fattening pigs during continuously feeding for 20 days, wherein the calculation results are as follows:
then, 2 pigs were slaughtered randomly for each group, eye muscle area, intramuscular fat, drip loss, blood calcium, blood phosphorus, blood magnesium, blood sugar, and cortisol in blood were measured, and the average value for each group was calculated.
As can be seen from the above results, the average of the daily average feed intake was still low during 20 days after the addition of the feed additives of comparative example 1 and comparative example 3 on the basal diet, further illustrating that the palatability of the feed additives of comparative example 1 and comparative example 3 was poor; after the basic ration added with the feed additives of the comparative examples 1 and 2 is continuously fed for 20 days, compared with the results of the examples 1-3, the feed meat ratio is still higher, and the pork quality is lower, but compared with the feeding result of the previous 10 days, the difference between the basic ration and the examples 1-3 is smaller, which shows that the action time of the feed additives of the examples 1-3 is shorter than that of the feed additives of the comparative examples 1 and 2; after the basic ration added with the feed additive in the comparative example 3 is continuously fed for 20 days, the feed-meat ratio and the pork quality are still not much different from the results of the examples 1-3, and the feed additive prepared in the examples 1-3 can achieve a good feed effect under the condition of low content of the Chinese herbal medicine active ingredients.
All percentages used in the present invention are mass percentages unless otherwise indicated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A preparation method of a feed additive for improving pork quality is characterized by comprising the following steps: preparing active ingredients of the Chinese herbal medicines, preparing an absorption promoter, and mixing;
the preparation method comprises the following steps of preparing Chinese herbal medicine active ingredients, cleaning eucommia leaves, honeysuckle, pine needles, liquorice, hawthorn, dried orange peel, cinnamon, astragalus and codonopsis pilosula respectively, drying, and crushing respectively to obtain eucommia leaf powder, honeysuckle powder, pine needle powder, liquorice powder, hawthorn powder, tangerine peel powder, cinnamon powder, astragalus powder and codonopsis pilosula powder, then mixing the eucommia leaf powder, the honeysuckle powder, the pine needle powder, the liquorice powder, the hawthorn powder, the tangerine peel powder, the cinnamon powder, the astragalus powder and the codonopsis pilosula powder uniformly according to a mass ratio of (10-13); ball milling the Chinese herbal medicine powder, betaine, stevioside and calcium lactate to obtain Chinese herbal medicine active ingredients;
the preparation method of the absorption enhancer comprises the steps of mixing microcrystalline cellulose, tremella polysaccharide and chitosan, adding the mixture into a reactor, stirring, adding methionine, phytic acid and sodium hexametaphosphate into the reactor, vacuumizing, introducing nitrogen into the reactor until the gas pressure is 0.12-0.14MPa, stirring, and obtaining the absorption enhancer after the stirring is finished.
2. The preparation method of the feed additive for improving the pork quality according to claim 1, wherein the weight ratio of the mixed powder, the soybean lecithin, the disodium hydrogen phosphate and the deionized water in the prepared Chinese herbal medicine active ingredients is 50-53.
3. The preparation method of the feed additive for improving the pork quality according to claim 1, wherein the weight ratio of the Chinese herbal medicine powder, the betaine, the stevioside and the calcium lactate in the prepared Chinese herbal medicine active ingredients is 100-104.
4. The preparation method of the feed additive for improving the pork quality according to claim 1, wherein the weight ratio of the microcrystalline cellulose to the tremella polysaccharide to the chitosan to the methionine to the phytic acid to the sodium hexametaphosphate is 30-32.
5. The method for preparing the feed additive for improving the pork quality of claim 1, wherein the mixing comprises adding the active ingredients of the Chinese herbal medicines, the absorption enhancer, the magnesium sulfate, the ferrous fumarate, the tea saponin and the sucrose into a reactor, and stirring to obtain the feed additive for improving the pork quality.
6. The preparation method of the feed additive for improving the pork quality according to claim 5, wherein in the mixing, the weight ratio of the Chinese herbal medicine active ingredients, the absorption enhancer, the magnesium sulfate, the ferrous fumarate, the tea saponin and the sucrose is (50-54-13).
7. A feed additive for improving the quality of pork, which is prepared by the preparation method according to any one of claims 1 to 6.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103478488A (en) * | 2013-09-12 | 2014-01-01 | 广南(湛江)家丰饲料有限公司 | Pig feed additive capable of effectively improving pork quality and promoting growth |
| WO2022148449A1 (en) * | 2021-01-08 | 2022-07-14 | 新奥（厦门）农牧发展有限公司 | Pig raising method for reducing pig back-fat thickness and/or increasing lean meat percentage, composition, and use thereof in preparation of pig feed |
| CN115500430A (en) * | 2022-11-23 | 2022-12-23 | 潍坊柯能生物科技有限公司 | Preparation method of functional feed additive for improving pork quality |
| CN115644321A (en) * | 2022-11-15 | 2023-01-31 | 潍坊天普阳光饲料科技有限公司 | Feed additive for preventing and treating pig diarrhea and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103478488A (en) * | 2013-09-12 | 2014-01-01 | 广南(湛江)家丰饲料有限公司 | Pig feed additive capable of effectively improving pork quality and promoting growth |
| WO2022148449A1 (en) * | 2021-01-08 | 2022-07-14 | 新奥（厦门）农牧发展有限公司 | Pig raising method for reducing pig back-fat thickness and/or increasing lean meat percentage, composition, and use thereof in preparation of pig feed |
| CN115644321A (en) * | 2022-11-15 | 2023-01-31 | 潍坊天普阳光饲料科技有限公司 | Feed additive for preventing and treating pig diarrhea and preparation method thereof |
| CN115500430A (en) * | 2022-11-23 | 2022-12-23 | 潍坊柯能生物科技有限公司 | Preparation method of functional feed additive for improving pork quality |
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