阅读说明：本技术 一种提高猪肉中ω-3多不饱和脂肪酸含量的育肥猪饲料及应用 (Fattening pig feed for increasing content of omega-3 polyunsaturated fatty acids in pork and application ) 是由 张建斌 林霖雨 杨华 秦顺义 李留安 于 2019-12-11 设计创作，主要内容包括：本发明公开了一种提高猪肉中ω-3多不饱和脂肪酸含量的育肥猪饲料,其组成成分及重量份数如下：玉米62-65份,豆粕7.8-9.2份,麸皮8.8-9.1份,米糠9.3-9.5份,石粉0.8-0.95份,磷酸氢钙0.65-0.75份,膨化亚麻籽2-6份,预混料4份。本发明饲料利用膨化亚麻籽改善饲料中的ω-6PUFA与ω-3PUFA的比值,提供了一种有效提高猪肉中ω-3PUFA含量的饲料,以增强ω-3PUFA沉积,使生产的猪肉中ω-6/ω-3PUFA比例均衡。(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.)

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.

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.