CN110876426A - Fattening pig feed for increasing content of omega-3 polyunsaturated fatty acids in pork and application - Google Patents
Fattening pig feed for increasing content of omega-3 polyunsaturated fatty acids in pork and application Download PDFInfo
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- CN110876426A CN110876426A CN201911263304.6A CN201911263304A CN110876426A CN 110876426 A CN110876426 A CN 110876426A CN 201911263304 A CN201911263304 A CN 201911263304A CN 110876426 A CN110876426 A CN 110876426A
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Classifications
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K50/00—Feeding-stuffs specially adapted for particular animals
- A23K50/30—Feeding-stuffs specially adapted for particular animals for swines
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/02—Breeding vertebrates
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
- A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/10—Organic substances
- A23K20/105—Aliphatic or alicyclic compounds
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
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- A23K20/10—Organic substances
- A23K20/174—Vitamins
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/24—Compounds of alkaline earth metals, e.g. magnesium
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/26—Compounds containing phosphorus
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K20/00—Accessory food factors for animal feeding-stuffs
- A23K20/20—Inorganic substances, e.g. oligoelements
- A23K20/30—Oligoelements
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Animal Husbandry (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
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- Health & Medical Sciences (AREA)
- Botany (AREA)
- Molecular Biology (AREA)
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- Physiology (AREA)
- Environmental Sciences (AREA)
- Birds (AREA)
- Animal Behavior & Ethology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Fodder In General (AREA)
- Feed For Specific Animals (AREA)
Abstract
The invention discloses a fattening pig feed for improving the content of omega-3 polyunsaturated fatty acid in pork, which comprises the following components in parts by weight: 62-65 parts of corn, 7.8-9.2 parts of soybean meal, 8.8-9.1 parts of bran, 9.3-9.5 parts of rice bran, 0.8-0.95 part of stone powder, 0.65-0.75 part of calcium hydrophosphate, 2-6 parts of puffed flaxseed and 4 parts of premix. The feed provided by the invention utilizes the expanded linseed to improve the ratio of omega-6 PUFA to omega-3 PUFA in the feed, and provides the feed capable of effectively increasing the content of omega-3 PUFA in pork, so as to enhance the deposition of omega-3 PUFA and balance the ratio of omega-6/omega-3 PUFA in the produced pork.
Description
Technical Field
The invention belongs to the technical field of feed additives, and particularly relates to a fattening pig feed for improving the content of omega-3 polyunsaturated fatty acids in pork and application thereof.
Background
Polyunsaturated fatty acids are straight-chain fatty acids with 2 or more than 2 double bonds and a carbon chain length of 18 to 22 carbon atoms, which can be divided into two groups, the omega-6 and omega-3 systems, according to the position of their unsaturated bond, in the PUFA molecule, the double bond is at the sixth carbon atom, called omega-6 PUFA, which includes linoleic acid, gamma-linolenic acid and arachidonic acid, where linoleic acid is plant-synthesized and is essential for maintaining the nutrition of the human body by food, and which are called "essential fatty acids", as long as sufficient linoleic acid is available in food, the human body can synthesize the other omega-6 polyunsaturated fatty acids required for the synthesis, starting from the methyl end of the fatty acids, the first unsaturated double bond occurs between the 3 rd and 4 th carbon atoms, called omega-3 PUFA, which mainly includes marine linolenic acid, eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), likewise α -linolenic acid, which cannot be synthesized in the human body, must be obtained from food, and thus is also an "essential fatty acid" α -EPA ", which can be derived from human food, and can be metabolized by DHA, especially by α.
In recent years, researchers find that omega-3 PUFA is a substance with special biological activity and is used as an essential fatty acid of a human body, can effectively reduce the incidence rate of cardiovascular and cerebrovascular diseases in the human body, can improve the intelligence of the infant brain, promote the growth and development of the brain, inhibit the formation of thrombus, reduce atherosclerosis, has important functions of improving eyesight, improving immunity, delaying senility, preventing senile dementia and the like, and is an important substance for maintaining the evolution of human beings and prolonging the health and the longevity. How to increase the intake of omega-3 PUFA in human body and neglect the ratio of omega-6/omega-3 PUFA.
As one of the livestock products with the largest global consumption, pork occupies a large proportion in daily consumption of people, and the development of social economy and the improvement of living standard lead people to have higher and higher quality requirements on pork products, pork fat contains rich saturated fatty acid and unsaturated fatty acid, omega-6 series saturated fatty acid (omega-6 PUFA) in the unsaturated fatty acid is relatively rich, and omega-3 series unsaturated fatty acid is relatively lack, so that the omega-6/omega-3 PUFA proportion of consumers is easy to be disordered, diseases such as cardiovascular and cerebrovascular diseases, obesity and the like are easy to be caused, the omega-6/omega-3 PUFA proportion in diet is reduced, and the occurrence of various chronic diseases can be reduced. The ratio of omega-6/omega-3 PUFA in the diet of residents in China is generally 20-30: 1, which is far higher than the recommended value of experts and scholars of 1-4: 1. How to supplement omega-3 PUFA required by human body and make the proportion of omega-6/omega-3 PUFA reach balance becomes a scientific hotspot of present nutrition research. Aiming at the situation that the pork is rich in omega-6 PUFA at present, the content of omega-3 PUFA in the pork is improved, which is beneficial to balancing the proportion of omega-6/omega-3 PUFA and rationalizing the dietary structure of human.
Deep sea fish oil contains a large amount of omega-3 PUFA, and therefore, fish oil is the most commonly used method for supplementing omega-3 PUFA, but has strong fishy smell, poor palatability and easy oxidation when being directly orally taken. It is not easy for consumers to accept. If the feed is directly added into daily ration, besides the defects, the feed intake of the live pigs is also seriously influenced, and further the economic benefit of the live pigs is influenced.
Through searching, the following patent publications related to the patent application of the invention are found:
1. a lactating sow feed (CN108740450A) for increasing weaning litter weight and reducing sow weight loss is prepared from (by weight parts) corn 50.1-57.5, 43% soybean meal 20.5-23, puffed linseed 1-2, rice bran 0-5, wheat bran 0-5, soybean hull 0-4, beet meal 5-8, steamed fish meal 2-3, soybean oil 2.5-3, salt 0.5-0.6, 0.56-0.6 part of stone powder, 1.87-2.045 parts of calcium hydrophosphate, 0.05-0.15 part of amino acid, 0.2 part of baking soda, 0.2 part of 50% choline chloride, 0.02 part of 10000 units of phytase, 0.05 part of vitamin premix, 0.2 part of trace element premix, 0.1 part of mildew preventive and 0.015-0.02 part of ethoxyquinoline, and has the advantages of improving the weight of a weaning nest and increasing the economic benefit.
2. A pregnant sow feed (CN108371253A) for improving intestinal health and reducing dead and weak piglets is used for solving the problem of constipation of sows in the middle and later periods of gestation, improving intestinal health of pregnant sows and further reducing the ratio of dead and weak piglets of the sows. The invention is prepared by cleaning, crushing, burdening, mixing, granulating, cooling and screening the following raw materials in parts by weight, the raw materials comprise 49.5-54.8 parts of corn, 12.1-13.9 parts of 43% protein soybean meal, 1-2 parts of puffed flaxseed, 1-2 parts of 46% protein cottonseed meal, 0-10 parts of rice bran, 0-10 parts of wheat bran, 10-15 parts of soybean hull, 3-5 parts of beet pulp, 0.5 part of salt, 0.71-0.81 part of stone powder, 1.63-1.69 parts of calcium hydrophosphate, 0.15-0.2 part of sodium bicarbonate, 0.15-0.2 part of 50% choline chloride, 0.01-0.02 part of 5000 units of phytase, 0.05 part of vitamin premix, 0.2 part of trace element premix, 0.08-0.12 part of mildew inhibitor and 0.01-0.02 part of ethoxyquin.
3. The breeding pig feed and the breeding method (CN107087722A) thereof, the provided breeding pig feed comprises breeding boar feed, replacement gilt feed, pregnant sow feed and lactating sow feed, the raw materials and the proportion are scientific and reasonable, the nutritional requirements of different breeding stages of the boars and the sows can be met, the feed can improve the sperm quality of the breeding boars, shorten the oestrus mating period of the boars and the sows, shorten the birth process of the sows, reduce the constipation of the sows and improve the number of live piglets and the weight of piglets. The breeding method for breeding the pigs is scientific, reasonable, healthy and efficient, meets the production requirements of the boars and the sows in different breeding stages, and reduces the waste of the feed by reasonably utilizing the components in the feed. Meanwhile, the culture method is beneficial to simplifying the culture process, reducing the culture risk, improving the economic benefit and having wide market prospect.
By contrast, the present patent application is substantially different from the above patent publications.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the fattening pig feed for improving the content of omega-3 polyunsaturated fatty acid in pork and the application thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a fattening pig feed for improving the content of omega-3 polyunsaturated fatty acids in pork comprises the following components in parts by weight:
62-65 parts of corn, 7.8-9.2 parts of soybean meal, 8.8-9.1 parts of bran, 9.3-9.5 parts of rice bran, 0.8-0.95 part of stone powder, 0.65-0.75 part of calcium hydrophosphate, 2-6 parts of puffed flaxseed and 4 parts of premix.
Moreover, the premix is: per kilogram of feed provided: VA 8000IU, VC 500mg, VD33 000IU，VE60mg，VK35mg，VB115mg，VB230mg，VB615mg，VB120.5Mg, choline 5000Mg, nicotinamide 175Mg, D-biotin2.5Mg, folic acid 5Mg, pantothenic acid 50Mg, Zn 60Mg, Cu 3Mg, Fe 25Mg, Mn15Mg, I0.6Mg, Mg 0.7 Mg.
The use method of the fattening pig feed for improving the content of omega-3 polyunsaturated fatty acids in pork comprises the following steps:
the feed is directly fed after being proportioned.
The fattening pig feed for improving the content of omega-3 polyunsaturated fatty acid in pork is applied to the fattening aspect of pigs.
The invention has the advantages and positive effects that:
1. the feed provided by the invention utilizes the expanded linseed to improve the ratio of omega-6 PUFA to omega-3 PUFA in the feed, and provides the feed capable of effectively increasing the content of omega-3 PUFA in pork, so as to enhance the deposition of omega-3 PUFA and balance the ratio of omega-6/omega-3 PUFA in the produced pork.
2. The feed can quickly and effectively increase the content of omega-3 PUFA in pork, and achieves the positive effects of improving the immunologic function of pigs and improving the meat quality while saving the cost.
3. After the feed is fed to pigs, the content of fatty acid in pork tissues is increased, the omega-6/omega-3 ratio is stable, the omega-3 fatty acid is obviously increased, meanwhile, when the feed is directly fed to fattening pigs, the content of omega-3 PUFA is obviously increased, and the omega-6/omega-3 ratio is basically close to the recommended value of 1-4: 1.
4. The pork product obtained by feeding pigs with the feed has certain indirect influence on the deposition of omega-3 PUFA of a human body and the metabolism of substances such as saccharides, lipids and the like of the body.
Detailed Description
The following detailed description of the embodiments of the present invention is provided for the purpose of illustration and not limitation, and should not be construed as limiting the scope of the invention.
The raw materials used in the invention are conventional commercial products unless otherwise specified; the methods used in the present invention are conventional in the art unless otherwise specified.
A fattening pig feed for improving the content of omega-3 polyunsaturated fatty acids in pork comprises the following components in parts by weight:
62-65 parts of corn, 7.8-9.2 parts of soybean meal, 8.8-9.1 parts of bran, 9.3-9.5 parts of rice bran, 0.8-0.95 part of stone powder, 0.65-0.75 part of calcium hydrophosphate, 2-6 parts of puffed flaxseed and 4 parts of premix.
Preferably, the premix is: per kilogram of feed provided: VA 8000IU, VC 500mg, VD33 000IU，VE60mg，VK35mg，VB115mg，VB230mg，VB615mg，VB120.5Mg, choline 5000Mg, nicotinamide 175Mg, D-biotin2.5Mg, folic acid 5Mg, pantothenic acid 50Mg, Zn 60Mg, Cu 3Mg, Fe 25Mg, Mn15Mg, I0.6Mg, Mg 0.7 Mg.
The use method of the fattening pig feed for improving the content of omega-3 polyunsaturated fatty acids in pork comprises the following steps:
the feed is directly fed after being proportioned.
For example, fattening pig with the weight of about 90 kg and the daily feed intake of about three kg is fed, about 0.06-0.18kg of puffed linseed is required to be added into each daily feed, and 1.74-5.6kg of corn and bean pulp and other feed materials are added.
The fattening pig feed for improving the content of omega-3 polyunsaturated fatty acid in pork is applied to the fattening aspect of pigs.
More specifically, the preparation steps related to the invention are as follows:
1. experimental materials and methods
1.1 test time 2017, 11 months-2018, 1 month, and one week of preliminary experiment, and carrying out the eight-week positive test. Test site: tianjin City Ji county, a certain culture Co., Ltd.
1.2 pig diet formula and nutritional composition are shown in Table 1.
TABLE 1 feed composition and nutrient level (air-dried basis)%
1) The premix provides 8000IU of vitamin A, 500mg of vitamin C and VD of The premix for every kilogram of feed33 000IU，VE 60mg，VK35mg，VB115mg，VB230mg，VB615mg，VB120.5Mg, choline 5000Mg, nicotinamide 175Mg, D-biotin D-biotin2.5Mg, folic acid 5Mg, pantothenic acid 50Mg, Zn 60Mg, Cu 3Mg, Fe 25Mg, Mn15Mg, I0.6Mg, Mg 0.7 Mg.
2) Digestion energy was calculated, and the rest were measured. DE was a calculated values, while the weekers were measured values.
The fatty acid contents in examples 1-3 and comparative example are shown in Table 2.
TABLE 2
Note that the numerical values are all expressed by the mean value plus or minus the standard error; the lower case letters were completely different indicating significant difference (P <0.05), and the same letters included indicating insignificant difference (P > 0.05).
1.3 feeding experiment:
120 tripartite hybrid pigs (Dux long x long) with the same size and basically similar weight are selected and randomly divided into a control group and three treatment groups, wherein the control group CK corresponds to a comparative example, the three treatment groups are TI, T2 and T3, and correspond to test example 1, test example 2 and test example 3, and each group comprises 10 tripartite hybrid pigs.
1.4 breeding management: the food can be taken freely and the water can be drunk freely. The test period was once every seven days, blood collection was performed at the beginning and end of the experiment, and body weight was recorded. After the experiment is finished, samples of forearms, buttocks, longissimus dorsi, five flowers, hearts, livers and kidneys are taken to detect the content of fatty acid.
1.5 detection index
1.5.1 growth Performance: feed intake, weight and feed conversion ratio
1.5.2 indexes of blood immune function: IgG, IgM, IgA. The blood sampling mode is jugular vein blood sampling.
1.5.3 detection of fatty acids in samples (37 species) by gas chromatography.
1.5.4 the fatty acid content in the feed is detected.
1.5.5 fatty acid test conditions
A chromatographic column: HP-88 capillary chromatography column (Agilent:100 m.times.0.25 mm.times.0.2 μm)
Temperature rising procedure:
carrier gas: helium (99.995%),
and (3) sample introduction mode: split (50:1), 5 μ L
A detector: hydrogen Flame Ion Detector (FID), 280 deg.C
Sample preparation: dissolved in n-hexane.
2. Data statistics and analysis
Data were analyzed using SPSS 17.0 statistical software for one-way ANOVA and Duncan's multiple comparisons of significant differences with P <0.05 at significant levels. The results are expressed as "mean. + -. standard deviation".
3. Pig growth performance was recorded as follows in table 3.
TABLE 3 weight gain (Kg) for each test group
Note that the numerical values are all expressed by the mean value plus or minus the standard error; the lower case letters are completely different indicating significant difference (P < 0.05).
Feed-meat ratio (total feed consumed (KG)/total weight gain (KG).
It can be seen from table 3 that there was no significant difference in the performance results for the pigs between the treatments of the different groups.
4. The effect of different treatments on the immunocompetence of the pig body is given in table 4 below.
TABLE 4
Note that the numerical values are all expressed by the mean value plus or minus the standard error; the lower case letters were completely different indicating significant difference (P <0.05), and the same letters included indicating insignificant difference (P > 0.05).
As can be seen from table 4 above, although the test results are not significantly different, it can be seen that the immunity of each treatment group is increased to different degrees compared with the control group according to different treatments.
5. The effect of different treatments on the body capacity of pigs is shown in table 5.
TABLE 5
Note that the numerical values are all expressed by the mean value plus or minus the standard error; the lower case letters were completely different indicating significant difference (P <0.05), and the same letters included indicating insignificant difference (P > 0.05).
As can be seen from Table 5, the immune function of the treated group was increased to a different extent than that of the control group with different treatments.
6. Effect of different treatments on fatty acid content and ratio in different parts of live pigs
6.1 fatty acid content in forearm site is shown in Table 6
TABLE 6 fatty acid content of forearm site (unit: mg/100g)
Note that the numerical values are all expressed by the mean value plus or minus the standard error; the lower case letters were completely different indicating significant difference (P <0.05), and the same letters included indicating insignificant difference (P > 0.05).
6.2 fatty acid content in the posterior hip region is shown in Table 7
TABLE 7 fatty acid content of the posterior hip region (unit: mg/100g)
Note that the numerical values are all expressed by the mean value plus or minus the standard error; the lower case letters were completely different indicating significant difference (P <0.05), and the same letters included indicating insignificant difference (P > 0.05).
6.3 fatty acid content in the longissimus dorsi and loins region is shown in Table 8
TABLE 8 fatty acid content of the longest muscle region of the back and waist (unit: mg/100g)
Note that the numerical values are all expressed by the mean value plus or minus the standard error; the lower case letters were completely different indicating significant difference (P <0.05), and the same letters included indicating insignificant difference (P > 0.05).
6.4 fatty acid content of the five-flower parts is shown in Table 9
TABLE 9 fatty acid content in the Ficus (unit: mg/100g)
Note that the numerical values are all expressed by the mean value plus or minus the standard error; the lower case letters were completely different indicating significant difference (P <0.05), and the same letters included indicating insignificant difference (P > 0.05).
6.5 fatty acid content in cardiac regions is shown in Table 10
TABLE 10 fatty acid content of heart region (unit: mg/100g)
Note that the numerical values are all expressed by the mean value plus or minus the standard error; the lower case letters were completely different indicating significant difference (P <0.05), and the same letters included indicating insignificant difference (P > 0.05).
6.6 fatty acid content in liver part is shown in Table 11
TABLE 11 fatty acid content of liver part (unit: mg/100g)
Note that the numerical values are all expressed by the mean value plus or minus the standard error; the lower case letters were completely different indicating significant difference (P <0.05), and the same letters included indicating insignificant difference (P > 0.05).
6.7 fatty acid content in the Kidney area is shown in Table 12
TABLE 12 Kidney fatty acid content (unit: mg/100g)
Note that the numerical values are all expressed by the mean value plus or minus the standard error; the lower case letters were completely different indicating significant difference (P <0.05), and the same letters included indicating insignificant difference (P > 0.05).
6.8 the values of the ratio of omega-6/omega-3 in the tissues are shown in Table 13
TABLE 13 proportional values in the tissues
Note that the numerical values are all expressed by the mean value plus or minus the standard error; the lower case letters were completely different indicating significant difference (P <0.05), and the same letters included indicating insignificant difference (P > 0.05).
As can be seen from tables 6 to 13, the total fatty acid content of each test group was significantly increased, the omega-6 PUFA content was significantly decreased, the omega-3 PUFA content was significantly increased, and the omega-6/omega-3 ratio of each tissue was significantly decreased, as compared with the control group.
Experiments prove that when the feed is directly used for feeding fattening pigs, the content of omega-3 PUFA is obviously increased, and the ratio of omega-6/omega-3 is basically close to the recommended value of 1-4: 1.
Although the embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the embodiments disclosed.
Claims (4)
1. A fattening pig feed for improving the content of omega-3 polyunsaturated fatty acids in pork is characterized in that: the composition and the parts by weight are as follows:
62-65 parts of corn, 7.8-9.2 parts of soybean meal, 8.8-9.1 parts of bran, 9.3-9.5 parts of rice bran, 0.8-0.95 part of stone powder, 0.65-0.75 part of calcium hydrophosphate, 2-6 parts of puffed flaxseed and 4 parts of premix.
2. The fattening pig feed for increasing the content of omega-3 polyunsaturated fatty acids in pork according to claim 1, characterized in that: the premix is as follows:per kilogram of feed provided: VA 8000IU, VC 500mg, VD33000 IU，VE 60mg，VK35mg，VB115 mg，VB230 mg，VB615 mg，VB120.5Mg, choline 5000Mg, nicotinamide 175Mg, D-biotin2.5Mg, folic acid 5Mg, pantothenic acid 50Mg, Zn 60Mg, Cu 3Mg, Fe 25Mg, Mn15Mg, I0.6Mg, Mg 0.7 Mg.
3. The method of using a feed for fattening pigs to increase the content of omega-3 polyunsaturated fatty acids in pork according to claim 1 or 2, characterized in that: the method comprises the following steps:
the feed is directly fed after being proportioned.
4. Use of a fattening pig feed according to claim 1 or 2 for increasing the content of omega-3 polyunsaturated fatty acids in pork for fattening pigs.
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| CN114343070A (en) * | 2021-12-31 | 2022-04-15 | 福建傲农生物科技集团股份有限公司 | Wheat type fattening pig feed for reducing ratio of omega-6/omega-3 polyunsaturated fatty acids in pork and application thereof |
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| CN114343070A (en) * | 2021-12-31 | 2022-04-15 | 福建傲农生物科技集团股份有限公司 | Wheat type fattening pig feed for reducing ratio of omega-6/omega-3 polyunsaturated fatty acids in pork and application thereof |
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