CN114343070A - Wheat type fattening pig feed for reducing ratio of omega-6/omega-3 polyunsaturated fatty acids in pork and application thereof - Google Patents
Wheat type fattening pig feed for reducing ratio of omega-6/omega-3 polyunsaturated fatty acids in pork and application thereof Download PDFInfo
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- 235000021307 Triticum Nutrition 0.000 title claims abstract description 46
- 235000020660 omega-3 fatty acid Nutrition 0.000 title claims abstract description 45
- 235000015277 pork Nutrition 0.000 title claims abstract description 36
- 235000020665 omega-6 fatty acid Nutrition 0.000 title claims abstract description 33
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- 240000008042 Zea mays Species 0.000 claims abstract description 20
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- 239000008107 starch Substances 0.000 claims abstract description 16
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- MJYQFWSXKFLTAY-OVEQLNGDSA-N (2r,3r)-2,3-bis[(4-hydroxy-3-methoxyphenyl)methyl]butane-1,4-diol;(2r,3r,4s,5s,6r)-6-(hydroxymethyl)oxane-2,3,4,5-tetrol Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O.C1=C(O)C(OC)=CC(C[C@@H](CO)[C@H](CO)CC=2C=C(OC)C(O)=CC=2)=C1 MJYQFWSXKFLTAY-OVEQLNGDSA-N 0.000 claims abstract description 13
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
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- Fodder In General (AREA)
Abstract
The invention relates to a wheat type fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork and application thereof, wherein the feed comprises the following components in parts by weight: 50-65 parts of wheat, 10-15 parts of rice bran, 8-12 parts of wheat bran, 4-8 parts of puffed flaxseed, 8-12 parts of corn germ meal, 0.3-0.5 part of sodium chloride, 0.4-1.2 parts of calcium hydrophosphate, 0.4-1.5 parts of stone powder, 0.3-1 part of L-lysine hydrochloride, 0.1-0.2 part of choline chloride, 0.03-0.05 part of a composite antioxidant, 0.03-0.05 part of composite non-starch polysaccharase, 0.2-0.4 part of a trace element additive and 0.2-0.4 part of a composite vitamin additive. The wheat is used as a main energy source, so that the cost is saved; the compound non-starch polysaccharidase is used, so that the digestion utilization rate of the wheat by the pig is effectively improved. Compared with the prior art, the feed can reduce the ratio of omega-6/omega-3 polyunsaturated fatty acid in pork, improve the absorption and utilization rate of wheat daily ration and improve the production performance; and the preparation method is simple and the production cost is low.
Description
Technical Field
The invention belongs to the technical field of animal feed, and relates to wheat type fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork and application thereof.
Background
Omega-6 polyunsaturated fatty acids (omega-6 PUFA) and omega-3 polyunsaturated fatty acids (omega-3 PUFA) are essential fatty acids essential to animals, which cannot be synthesized by the body itself and must be obtained from food. The two enzymes share the same enzyme system, when the omega-6 polyunsaturated fatty acid is excessive in vivo, the conversion of the omega-3 polyunsaturated fatty acid in vivo can be influenced, the content of the omega-3 polyunsaturated fatty acid in daily diet is low, but the content of the omega-6 polyunsaturated fatty acid is high. The food with high content of omega-3 polyunsaturated fatty acid is ingested, and the maintenance of the intake balance of omega-6 and omega-3 polyunsaturated fatty acid has important significance to the health of people. Pork is one of the main edible meats, and in order to improve the health level of people, the ratio of omega-6/omega-3 polyunsaturated fatty acid in the pork needs to be adjusted and reduced.
China is one of the main flax producing countries in the world, the planting area is about 60 million hectares, and the flax seed planting method has rich flax seed resources. The net content of omega-3 polyunsaturated fatty acid of the detoxified puffed flaxseed is about 18.5 percent, and the puffed flaxseed is one of the most effective feed raw materials for adjusting the proportion of the fatty acid of the feed. Research shows that omega-3 polyunsaturated fatty acid in the feed can be effectively deposited in animal tissues through digestion and absorption, and the addition of linseed or linseed oil in the daily feed of pigs can obviously improve the content of omega-3 polyunsaturated fatty acid in different tissues of the pigs and reduce the ratio of omega-6/omega-3 polyunsaturated fatty acid. Patents CN201911263304.6, CN201910694341.6 and CN200910261258.6 all use corn as the main energy source of pig feed, and proper amount of detoxified linseed is added to improve the ratio of omega-6 PUFA to omega-3 PUFA in pig feed, so that the ratio of omega-6/omega-3 polyunsaturated fatty acid is close to 4: 1. but the corn raw materials are in short supply and have higher price at present, so that the feed cost is higher. The difference between the total energy of the wheat and the corn is very small, and the cost of the wheat is low, so the wheat is an ideal choice as a main energy source of the pig feed. However, wheat and other wheat raw materials contain more non-starch polysaccharides (xylan, beta-glucan, cellulose and the like), and pigs serve as monogastric animals, enzymes for degrading the non-starch polysaccharides cannot be secreted by a digestive system of the pigs, excessive ingestion can cause high chyme viscosity generated in the digestive tract of the feed, so that the digestibility of the monogastric animals to the nutrition of the wheat is low, the wheat is usually used in the monogastric animal feed in a limited amount, the anti-nutritional effect of the non-starch polysaccharides on livestock and poultry is proved in a plurality of reports and mainly expressed by improving the chyme viscosity, reducing the animal production performance, increasing harmful microorganisms in intestinal tracts and the like, and the anti-nutritional effect of the non-starch polysaccharides is positively correlated with the proportion of the non-starch polysaccharides in the feed.
Disclosure of Invention
The invention aims to provide a wheat type fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork and application thereof, so as to overcome the defects of high ratio of omega-6/omega-3 polyunsaturated fatty acids, high cost of pig feed or low digestion and utilization rate of wheat and barley in the feed in the prior art.
The purpose of the invention can be realized by the following technical scheme:
one of the technical schemes of the invention provides a wheat type fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork, which comprises the following components in parts by weight: 50-65 parts of wheat, 10-15 parts of rice bran, 8-12 parts of wheat bran, 4-8 parts of puffed flaxseed, 8-12 parts of corn germ meal, 0.3-0.5 part of sodium chloride, 0.4-1.2 parts of calcium hydrophosphate, 0.4-1.5 parts of stone powder, 0.3-1 part of L-lysine hydrochloride, 0.1-0.2 part of choline chloride, 0.03-0.05 part of a composite antioxidant, 0.03-0.05 part of composite non-starch polysaccharase, 0.2-0.4 part of a trace element additive and 0.2-0.4 part of a composite vitamin additive.
Further, the microelement additive comprises copper sulfate, ferrous sulfate, manganese sulfate, zinc sulfate, potassium iodide and sodium selenite.
Furthermore, the contents of Cu, Fe, Mn, Zn, I and Se provided by the copper sulfate, the ferrous sulfate, the manganese sulfate, the zinc sulfate, the potassium iodide and the sodium selenite in 1kg of feed are respectively 20mg, 65mg, 160mg, 60mg, 0.60mg and 0.36 mg.
Further, the vitamin complex additive comprises vitamin A and vitamin B1Vitamin B2Vitamin B6Vitamin B12Vitamin D3Vitamin K3Vitamin C and biotin.
Further, the vitamin A and the vitamin B1Vitamin B2Vitamin B6Vitamin B12Vitamin D3Vitamin K3The contents of vitamin C and biotin in 1kg of feed are 10000IU, 30mg, 15mg, 14mg, 0.5mg, 5000IU, 4.47mg, 500mg and 2.5mg respectively.
Further, the fattening pig feed also comprises the following components in parts by weight: 3.5-5.3 parts of soybean meal, 0.5 part of soybean oil, 0.06-0.09 part of DL-methionine and 0.3 part of acidifier.
Furthermore, the acidifier is Aikanmei which is purchased from Aidekan Dalian environmental protection products, and the active ingredient of the acidifier is potassium diformate, wherein the mass fraction of the potassium diformate is more than or equal to 95.5%.
Further, the purity of the L-lysine hydrochloride is 98%, and the purity of the choline chloride is 60%.
Further, the compound non-starch polysaccharide enzyme is purchased from Beijing, Bo Biotechnology Limited, and is a mixed feed additive enzyme preparation, wherein the mass fraction of xylanase is more than or equal to 35000U/g, the mass fraction of glucanase is more than or equal to 1200U/g, the mass fraction of mannanase is more than or equal to 3000U/g, and the mass fraction of cellulase is more than or equal to 200U/g.
Furthermore, the compound antioxidant is purchased from Jianming China science and technology limited, the effective components of the compound antioxidant are ethoxyquinoline and butyl hydroxy anisole, the mass fraction of the ethoxyquinoline is more than or equal to 10%, and the mass fraction of the butyl hydroxy anisole is more than or equal to 1.0%.
The second technical scheme of the invention provides the application of the fattening pig feed, and the fattening pig feed can be used for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork.
The pig feed disclosed by the invention adopts wheat as a main energy source of the feed, and the puffed linseed is added as a main source of omega-3 polyunsaturated fatty acid in the feed, so that under the condition that the price of the wheat is advantageous, the production cost can be obviously reduced, and the ratio of omega-6/omega-3 polyunsaturated fatty acid in pork can be obviously reduced to (1-4): 1, the physiological requirements of a human body are met; after the feed is eaten, the growing performance of the fattening pigs is improved, the death rate is reduced, the intramuscular fat of pork is increased, and the flavor of the pork is improved.
The invention uses the exogenous compound non-starch polysaccharide enzyme, can effectively improve the digestion utilization rate of the pig on wheat, eliminates the negative influence of the wheat daily ration on the growth and development of the pig due to the high content of the non-starch polysaccharide, and achieves the growth effect equivalent to that of the corn daily ration. Under the conditions of shortage of corn raw materials and high price, the method for partially or completely replacing the corn by the wheat is an effective method for saving cost and reducing price risk. And because the ratio of the fatty acid composition omega-6/omega-3 in the wheat is obviously lower than that of the corn, after the wheat is used for replacing the corn in a large proportion or completely, a proper amount of detoxified puffed linseed is added, so that the aims of reducing the production cost and reducing the ratio of omega-6/omega-3 polyunsaturated fatty acid in pork can be achieved. The feed limits the addition of the expanded flaxseed, if the addition of the expanded flaxseed is too high, the production cost is increased, the palatability of pigs is influenced, and if the addition of the expanded flaxseed is too low, the effect of enriching omega-3 polyunsaturated fatty acid in meat cannot be achieved.
The choline chloride, the soybean meal, the soybean oil, the DL-methionine and the acidifier in the feed are necessary and commonly used raw materials in the feed, and the use method is relatively fixed, so that the feed aims to ensure the balanced nutrient intake of pigs.
Compared with the prior art, the invention has the following advantages:
(1) the feed disclosed by the invention can be directly fed to fattening pigs, so that the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork can be effectively reduced to 3: below 1, the growth performance of the fattening pigs is improved, the death rate is reduced, and the intramuscular fat and the flavor of pork are increased;
(2) the non-starch polysaccharide enzyme preparation is added into the feed formula, so that the absorption utilization rate of the wheat daily ration can be effectively improved, the production performance is improved, and the effect equivalent to that of the corn-type daily ration is achieved;
(3) under the conditions of scarce corn resources, high price or poor corn quality, the feed takes the wheat with lower cost as a main energy source, so that the feed cost can be obviously saved;
(4) the ratio of the fatty acid composition omega-6/omega-3 in the wheat is obviously lower than that of the corn, and after the corn is replaced by the wheat in a large proportion, the detoxified puffed linseed is added, so that the improvement effect on the ratio of omega-6/omega-3 is better;
(5) the preparation method disclosed by the invention is simple, good in condition controllability, low in production cost, good in feed performance stability and good in application prospect.
Detailed Description
The present invention will be described in detail with reference to specific examples. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following examples, unless otherwise specified, all of the conventional commercial starting materials and conventional processing techniques are used.
In the following examples, the used soybean meal had a crude protein content of 42% or more and was purchased from Yihaijiali (Chongqing) grain and oil Co.
In the following examples, L-lysine hydrochloride having a purity of 98% and choline chloride having a purity of 60% were used.
In the following examples, the compound antioxidant used was purchased from Jianming (China) science and technology Limited, and was Xialin No. 5 powder, which was a mixed type feed additive antioxidant. The composite antioxidant comprises the effective components of ethoxyquinoline and Butyl Hydroxyanisole (BHA), wherein the mass fraction of the ethoxyquinoline is more than or equal to 10%, and the mass fraction of the Butyl Hydroxyanisole (BHA) is more than or equal to 1.0%.
In the following examples, the adopted acidifier is Aikanmei (Formi) which is purchased from Aidekang (Dalian) environmental protection products Co., Ltd., and the effective component of the acidifier is potassium diformate, wherein the mass fraction of the potassium diformate is more than or equal to 95.5%.
In the following examples, the compound non-starch polysaccharide enzyme is purchased from Bo Biotech, Inc. of Beijing Ke, and is a mixed feed additive enzyme preparation, wherein the mass fraction of xylanase is more than or equal to 35000(U/g), the mass fraction of glucanase is more than or equal to 1200(U/g), the mass fraction of mannanase is more than or equal to 3000(U/g), and the mass fraction of cellulase is more than or equal to 200 (U/g).
Example 1:
in the embodiment, 180 du × long × big ternary hybrid piglets (half of each male and female) with health conditions and close body weights are selected from a certain scale pig farm in Jiangjin area of Chongqing, and randomly divided into five groups, namely a control group, a treatment group 1, a treatment group 2, a treatment group 3 and a treatment group 4, wherein the five groups correspond to fed feed components and feed nutrition levels shown in Table 1. Each group was set with 6 replicates, each of 6 piglets, a pre-feeding period of 7 days, and a trial period of 50 days. The test pigs are transferred into a growing and fattening pigsty and are fed and managed by a specially-assigned person, and conventional epidemic prevention is carried out in the period; after the pre-feeding is finished, weighing the pigs on an empty stomach in the morning, entering a test period, wherein the pigs freely feed and drink water in the whole test period, and feeding the rest pigs according to the conventional management of a pig farm. Weighing each group by taking each column as a unit at the beginning and the end of the test, and calculating the Average Daily Gain (ADG) of each group of piglets; at the end of the test, the feed consumption of each group of pigs is counted, and the Average Daily Feed Intake (ADFI) and the feed-meat ratio (F: G) are calculated. After the test is finished, randomly selecting one pig for slaughter test every time, sampling, fixing and taking 200g of longest muscle meat sample of the back of the left half carcass, and storing at-20 ℃. Muscle fatty acid composition was analyzed by gas chromatography.
Experimental data one-way ANOVA (one-way ANOVA) was performed using the GLM program for all treatments using SAS 9.2 statistical software and multiple comparisons were performed using the Duncan method. Data are presented as mean ± Standard Deviation (SD), P <0.05 indicates significant differences.
TABLE 1 feed composition and nutritional level
In Table 1, vitamin complex additivesThe premix comprises vitamin A and vitamin B1Vitamin B2Vitamin B6Vitamin B12Vitamin D3Vitamin K3Vitamin C and biotin, and vitamin A and vitamin B1Vitamin B2Vitamin B6Vitamin B12Vitamin D3Vitamin K3The contents of vitamin C and biotin in 1kg of feed are 10000IU, 30mg, 15mg, 14mg, 0.5mg, 5000IU, 4.47mg, 500mg and 2.5mg respectively.
In table 1, the microelement additive premix consists of copper sulfate, ferrous sulfate, manganese sulfate, zinc sulfate, potassium iodide, and sodium selenite, and the copper sulfate, ferrous sulfate, manganese sulfate, zinc sulfate, potassium iodide, and sodium selenite provide 20mg, 65mg, 160mg, 60mg, 0.60mg, and 0.36mg of Cu, Fe, Mn, Zn, I, and Se, respectively, in 1kg of feed.
TABLE 2 influence on the production Performance of fattening pigs
| Item | Control group | Treatment group 1 | Treatment group 2 | Treatment group 3 | Treatment group 4 | P value |
| Initial weight kg | 62.16±1.49 | 62.15±1.31 | 62.10±1.37 | 62.26±1.41 | 62.15±1.31 | 0.99 |
| End weight kg | 108.92±2.55 | 108.40±2.94 | 109.63±2.05 | 107.34±2.83 | 107.36±2.86 | 0.60 |
| Average daily gain g/d | 935.2±36.2 | 924.9±43.8 | 950.7±21.9 | 901.7±54.59 | 904.2±60.5 | 0.41 |
| Daily average feed intake kg/d | 2.78±0.08 | 2.74±0.10 | 2.81±0.08 | 2.74±0.10 | 2.71±0.15 | 0.62 |
| Material to weight ratio | 2.97±0.05 | 2.97±0.17 | 2.95±0.05 | 3.05±0.15 | 3.00±0.12 | 0.73 |
The results of the tests in table 2 show that the addition of the non-starch polysaccharidase to the wheat feed does not significantly affect the daily feed intake, daily gain and feed-to-weight ratio of pigs (P > 0.05), which is equivalent to the corn control group, and shows that the use of wheat instead of corn is an effective method for saving cost and reducing price risk and does not affect the production performance under the conditions of shortage of corn raw materials and high price. After the wheat daily ration treatment groups are added with the puffed flaxseeds with different contents, the production performance (daily feed intake, daily weight gain and material-weight ratio) of pigs among the treatment groups does not show obvious difference (P is more than 0.05), but the 4 wt% puffed flaxseed group is added, the daily weight gain is the highest, and the material-weight ratio is the lowest. The pig feed is proved that the production performance of the pig feed is not obviously affected by using a proper amount of puffed flaxseed.
TABLE 3 Effect on the fatty acid content (wt%) in pork
In Table 3, no letters in the same column or data shoulder marks the same letter indicates no significant difference (P > 0.05), different lower case letters indicate significant difference (P <0.05), and different upper case letters indicate significant difference (P < 0.01).
In Table 3, palmitoleic acid (16: 1) indicates that the molecular structural formula of the fatty acid contains 16 carbon atoms and 1 double bond; arachidonic acid (20: 4) represents that the molecular structural formula of the fatty acid contains 20 carbon atoms and 4 double bonds; and so on for the others.
The analysis of the test results in table 3 shows that the fatty acid composition of pork of the wheat ration group has no significant difference (P > 0.05) compared with that of the corn ration group, which indicates that the fatty acid composition of pork is not affected by using wheat to replace corn completely. After the wheat daily ration treatment groups are added with the puffed flax seeds with different levels, the fatty acid composition of pork shows obvious difference (P <0.05) among the treatment groups, the contents of the linolenic acid, the eicosapentaenoic acid and the docosahexaenoic acid in the pork are obviously higher than those of a control group, and the content is obviously improved along with the increase of the addition level of the puffed flax seeds (P < 0.05). The content of omega-3 polyunsaturated fatty acid in the pork of the test group added with the expanded flaxseed is obviously higher than that of the pork of the control group, and the ratio of omega-3/omega-6 is obviously from 11: 1 is reduced to 3: 1 or less. The pig feed disclosed by the invention adopts wheat as a main energy source of the feed, and the puffed linseed is added as a main source of omega-3 polyunsaturated fatty acid in the feed, so that under the condition that the price of the wheat is advantageous, the production cost can be obviously reduced, and the ratio of omega-6/omega-3 polyunsaturated fatty acid in pork in the pork can be obviously reduced to 3: 1 below, so as to meet the physiological requirements of human bodies.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A wheat type fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork is characterized by comprising the following components in parts by weight: 50-65 parts of wheat, 10-15 parts of rice bran, 8-12 parts of wheat bran, 4-8 parts of puffed flaxseed, 8-12 parts of corn germ meal, 0.3-0.5 part of sodium chloride, 0.4-1.2 parts of calcium hydrophosphate, 0.4-1.5 parts of stone powder, 0.3-1 part of L-lysine hydrochloride, 0.1-0.2 part of choline chloride, 0.03-0.05 part of a composite antioxidant, 0.03-0.05 part of composite non-starch polysaccharase, 0.2-0.4 part of a trace element additive and 0.2-0.4 part of a composite vitamin additive.
2. The wheat-based fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork according to claim 1, characterized in that the microelement additives comprise copper sulfate, ferrous sulfate, manganese sulfate, zinc sulfate, potassium iodide, sodium selenite.
3. The wheat-type fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork according to claim 2, characterized in that the copper sulfate, the ferrous sulfate, the manganese sulfate, the zinc sulfate, the potassium iodide and the sodium selenite provide, in 1kg of feed, Cu, Fe, Mn, Zn, I and Se in an amount of 20mg, 65mg, 160mg, 60mg, 0.60mg and 0.36mg, respectively.
4. The wheat-based fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork according to claim 1, wherein the vitamin complex additive comprises vitamin A and vitamin B1Vitamin B2Vitamin B6Vitamin B12Vitamin D3Vitamin K3Vitamin C and biotin.
5. The wheat-based fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork according to claim 4, characterized in that the vitamins A and B1Vitamin B2Vitamin B6Vitamin B12Vitamin D3Vitamin K3The contents of vitamin C and biotin in 1kg of feed are 10000IU, 30mg, 15mg, 14mg, 0.5mg, 5000IU, 4.47mg, 500mg and 2.5mg respectively.
6. The wheat-type fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork according to claim 1, characterized in that the purity of the L-lysine hydrochloride is 98% and the purity of the choline chloride is 60%.
7. The wheat-type fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork according to claim 1, wherein the composite non-starch polysaccharide enzyme is purchased from Bo Biotechnology Limited, Beijing, and is a mixed feed additive enzyme preparation, wherein the mass fraction of xylanase is not less than 35000U/g, the mass fraction of glucanase is not less than 1200U/g, the mass fraction of mannanase is not less than 3000U/g, and the mass fraction of cellulase is not less than 200U/g.
8. The wheat type fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork according to claim 1, is characterized in that the composite antioxidant is purchased from Jiang Chinese science and technology Co., Ltd, the composite antioxidant comprises the active ingredients of ethoxyquinoline and butyl hydroxyanisole, the mass fraction of the ethoxyquinoline is more than or equal to 10%, and the mass fraction of the butyl hydroxyanisole is more than or equal to 1.0%.
9. The wheat type fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork according to claim 1, is characterized by further comprising an acidifier, wherein the acidifier is Aikanmei, purchased from Aidekan Dalian environmental products, Inc., and the active ingredient of the acidifier is potassium diformate, and the mass fraction of the potassium diformate is more than or equal to 95.5%.
10. Use of a wheat-based fattening pig feed for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork according to any one of claims 1 to 9, which fattening pig feed is intended for reducing the ratio of omega-6/omega-3 polyunsaturated fatty acids in pork.
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| CN101731473A (en) * | 2009-12-24 | 2010-06-16 | 四川铁骑力士实业有限公司 | Pig feed for improving content of polyunsaturated fatty acid in pork and method for preparing same |
| CN103168966A (en) * | 2013-04-02 | 2013-06-26 | 山东新希望六和集团有限公司 | Wheat-based concentrate feed for growing and fattening pigs |
| CN103478463A (en) * | 2013-08-27 | 2014-01-01 | 山东邦基饲料有限公司 | Wheat type pig concentrated feed |
| CN108283243A (en) * | 2018-01-18 | 2018-07-17 | 环山集团股份有限公司 | A kind of grow-finish pannage improving pork fat acid composition |
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