CN102550865A - Nutritional regulation and control method for increasing butter-fat content and conjugated fatty acid content of goat milk - Google Patents
Nutritional regulation and control method for increasing butter-fat content and conjugated fatty acid content of goat milk Download PDFInfo
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Abstract
本发明公开了一种提高山羊奶乳脂率与共轭脂肪酸含量的营养调控方法，在奶山羊原有的基础日粮中添加红花油(红花油是选用红花籽为原料，经加工精炼而成的脂肪油)或胡麻油(胡麻油也称亚麻油，它是从胡科植物亚麻种子冷榨的脂肪油)；所用基础日粮和红花油或胡麻油的重量份为：基础日粮20、红花油1或胡麻油1，基础日粮按照重量百分比计包括：玉米15％，大麦26％，麦麸16％，大豆粉3％，玉米蛋白粉7％，紫花苜蓿30％，石灰石1.5％，食盐0.5％，复合预混料1％。通过这种方法可以提高乳产量，改变乳中脂肪酸构型，使乳中的CLA和CLnA含量明显增加。The invention discloses a nutritional regulation and control method for increasing the milk fat rate and conjugated fatty acid content of goat milk. Safflower oil is added to the original basic diet of dairy goats (safflower oil is obtained by selecting safflower seeds as raw materials and processed and refined. fat oil) or flax oil (flax oil is also called linseed oil, which is a fat oil cold-pressed from the flax seeds of the cucurbit plant); the weight parts of the basic diet and safflower oil or flax oil used are: basic diet 20, Flower oil 1 or linseed oil 1, the basic diet includes: corn 15%, barley 26%, wheat bran 16%, soybean meal 3%, corn gluten meal 7%, alfalfa 30%, limestone 1.5%, salt 0.5%, compound premix 1%. Through this method, the milk yield can be increased, the fatty acid configuration in the milk can be changed, and the content of CLA and CLnA in the milk can be significantly increased.
Description
Technical field
The present invention relates to a kind of vegetable oil that in daily ration, adds and improve the goat output of milk and butterfat percnetage, and make the nutrition regulation method of CLA conjugated linoleic acid (hereinafter to be referred as CLA) and the raising of conjugate linolenic acid (hereinafter to be referred as CLnA) content in the goat milk.Through the diet nutrient technology; Influence stearyl-coenzyme A desaturase (SCD); The mRNA abundance of lipase (LPL) and stearoyl-CoA carboxylase acetyl-CoA carboxylase (ACC) mRNA abundance are carried out, and have changed butterfat and aliphatic acid configuration, increase the mammary fat synthase activity.Belong to the plain metabolic regulation of diet nutrient is reached through nutrient organizing the application of key gene expression regulation.
Background technology
Along with improving constantly of human living standard, diet structure is also taking place to change, and diseases such as the various cancers of the thing followed, atherosclerotic, diabetes, obesity also begin perplexing the mankind.Research in recent years also shows, aliphatic acid is with healthy closely related, if mankind's hyperphagia saturated fatty acid causes all kinds of diseases such as coronary heart disease, hypoimmunity easily, so diet and health problem have more and more received people's attention.Milk and dairy products are important nutrition dietary sources, for the mankind provide energy, and high protein, various vitamins and mineral matter.Because goat milk has less milk globules, it more is prone to the milk of comparing absorb.To milk allergy or responsive crowd, goat milk is exactly good substitute for those.The regulation of fat of daily ration can improve the nutritional quality of goat milk, and can make it to be of value to health by certain change fatty acid component.Abroad the someone confirms milch goat fed and is rich in linoleic acid (C
18:2, LA) and leukotrienes (C
18:3, ALA) wait the daily ration of vegetable oil can effectively increase the CLA content in the goat milk.
At present, CLA has been proved to be a kind of anti-mutation-ure in cell cultivation and animal model, and can effective antitumor.CLA is in immune system and atherosclerotic, and also there is certain curative effect the bone health aspect.Of greatest concern in the numerous isomers of CLA is cis9, trans1 1-CLA and trans10, cis12-CLA.CLA in the ruminant butterfat comes from LA and ALA on the one hand at the intermediate product that the biological hydrogenization of rumen microorganism generates, and more is by the vaccenic acid in breast tissue and the adipose tissue (VA, 11t-C on the other hand
18:1) under the SCD effect, produce.On the other hand, the biological hydrogenization of ALA has increased the accumulation of aliphatic acid mesostate in ruminant tumor gastric and the tissue.Conjugate linolenic acid (CLnA) is by the intermediate product in the biological hydrogenation process of ALA of rumen microorganism effect generation.Destaillats has confirmed the chemical constitution of this intermediate product, and tentatively confirms C9, and t11, c15-8:3 are by Δ 12-cis in the cud, common intermediate product in the biological hydrogenation process first step of the ALA that Δ 11-trans isomerase is induced.Some researchs of conjugate linolenic acid (CLnA) show that CLnA has than better anticancer, the growth promoting function of CLA and reduces biological characteristicses such as body fat, raise immunity.Ruminant derived food (meat, milk and goods thereof) is human unique channel of taking in CLA and CLnA through natural food; Therefore increase CLA and CLnA content in the ruminant derived food, human health is had crucial meaning thereby improve the animal product quality.
Summary of the invention
The purpose of this invention is to provide a kind of nutrition regulation method that improves Goat Milk butterfat percnetage and conjugation content of fatty acid.
In order to realize above purpose, the technical scheme that the present invention adopts is:
A kind of nutrition regulation method that improves Goat Milk butterfat percnetage and conjugation content of fatty acid; It is characterized in that; (safflower oil is that to select kardiseed for use be raw material in the original basal diet of milch goat, to add safflower oil; Through processing the fat oil that refining forms) (hereinafter to be referred as SO) or siritch (siritch is also claimed linseed oil, and it is the fat oil from the plant flex seed cold press of Hu section) (hereinafter to be referred as LO); The weight portion of used basal diet and safflower oil or siritch is: basal diet 20, safflower oil 1 or siritch 1, and basal diet comprises according to weight percent meter: corn 15%, barley 26%; Wheat bran 16%, soy meal 3%, corn protein powder 7%; Alfalfa 30%; Lime stone 1.5%, salt 0.5%, compound premix 1%.
The diet of above-mentioned safflower oil or siritch and other basal diets cooperates ratio, all is to be the percentage by weight on basis with the dry.
Beneficial effect of the present invention: through milch goat being used nutrition regulation method of the present invention and forage compounding, can effectively improve butterfat percnetage and CLA and CLnA content in the goat milk, and to goat search for food with the output of milk do not have adverse effect.Not only can increase the goat milk local flavor, and CLA and CLnA have antitumorly, anti-oxidant, the health atherosclerotic improves immunity, improves skeleton density, prevents and treats multiple important physiological function such as diabetes, has improved the trophic level of goat milk greatly.The method of safflower oil with the adequate diet of the siritch that is rich in ALA of LA is rich in interpolation.Can improve milk production by this method, change aliphatic acid configuration in Ruzhong and the blood plasma, the CLA in Ruzhong and CLnA content are obviously increased.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is elaborated.
Embodiment 1
1. produce screening with milch goat:
Kind: Sa can milch goat.
The lactation stage: 21 days postpartum.
Body weight: 65 ± 5kg.
2. feeding environment:
1) drinking-water: provide sufficient in the house, the drinking-water of cleaning, water temperature is controlled at 21-27 ℃, freely drinks water.
2) mode of feeding: every day is (8:00 and 18:00) 1.35kg that feeds (is the basis with the dry) twice sooner or later, and each thick earlier back is smart.
3. feeding process:
Under the dry matter basis, basal diet comprises following raw materials by weight percent: corn 15%, barley 26%, wheat bran 16%, soy meal 3%, corn protein powder 7%, alfalfa 30%, lime stone 1.5%, salt 0.5%, compound premix 1%.
Embodiment 2
1. produce screening with milch goat:
Kind: Sa can milch goat.
The lactation stage: 21 days postpartum.
Body weight: 65 ± 5kg.
2. feeding environment:
1) drinking-water: provide sufficient in the house, the drinking-water of cleaning, water temperature is controlled at 21-27 ℃, freely drinks water.
2) mode of feeding: every day is (8:00 and 18:00) 1.35kg that feeds (is the basis with the dry) twice sooner or later, and each thick earlier back is smart.
3. feeding process:
Under the dry matter basis, its basal diet and safflower oil weight fraction are basal diet 20, safflower oil 1; Basal diet comprises following raw materials by weight percent: corn 15%, barley 26%, wheat bran 16%; Soy meal 3%, corn protein powder 7%, alfalfa 30%; Lime stone 1.5%, salt 0.5%, premix 1%.
Embodiment 3
1. produce screening with milch goat:
Kind: Sa can milch goat.
The lactation stage: 21 days postpartum.
Body weight: 65 ± 5kg.
2. feeding environment:
1) drinking-water: provide sufficient in the house, the drinking-water of cleaning, water temperature is controlled at 21-27 ℃, freely drinks water.
2) mode of feeding: every day is (8:00 and 18:00) 1.35kg that feeds (is the basis with the dry) twice sooner or later, and each thick earlier back is smart.
3. feeding process:
Under the dry matter basis, its basal diet and siritch weight fraction are basal diet 20, siritch 1; Basal diet comprises following raw materials by weight percent: corn 15%, barley 26%, wheat bran 16%; Soy meal 3%, corn protein powder 7%, alfalfa 30%; Lime stone 1.5%, salt 0.5%, premix 1%.
Feed behind the goat with the method for the invention, butterfat percnetage of goat and aliphatic acid are formed significant difference are taken place, shown in table 1 and table 2.
The influence (table 1) that feed intake, the output of milk and feed usefulness are not handled by daily ration.In like manner, protein and lactose content during the supplementary feeding of vegetable oil can not change the output of milk and suckle.Yet the CON that compares (embodiment 1) can make the output of milk and dairy fat content increase at TMR supplementary feeding SO (embodiment 2) and LO (embodiment 3).
Table 1 supplementary feeding safflower oil and linseed oil are to the influence of lactation goat production performance
Compare the C that the supplementary feeding vegetable oil has reduced the sheep Ruzhong with basic TMR
8:0, C
10:0, C
12:0, C
14:0, C
16:0And C
17:0(table 2).Compare with CON, increased C with the TMR of vegetable oil supplementary feeding
18:0, cis-9C
18:1, VA and cis-9, trans-11CLA.Contain more a high proportion of Cis-9 than the sheep Ruzhong of the LO-TMR that feeds, trans11CLA with the SO-TMR goat of feeding.And the ALA in the goat Ruzhong of feeding with LO-TMR and CLnA (cis-9, trans-11, cis-15CLnA and cis-9, trans-13 is cis-15CLnA) high than the ratio of feeding with SO-TMR.In TMR, adding oil is that the USFA sum increases in the butterfat, and total unrighted acid (USFA) content is increased, and saturated fatty acid (SFA) ratio reduces.Simultaneously, for human health, C
14:0And C
16:0The improvement of Ruzhong aliphatic acid configuration has been represented in the minimizing of content.
Table 2 supplementary feeding safflower oil and linseed oil are to the influence of aliphatic acid (g/100g) in the lactation goat butterfat
In sum, and an amount of SO of supplementary feeding and LO in the goat TMR feed (5%, DM) be a kind of effective ways that improve butterfat and fatty acid type.This method does not mainly influence the daily ration feed intake and the output of milk through increasing potential healthy aliphatic acid.Increase goat butterfat and take place simultaneously with the ratio that increases Ruzhong CLA and CLnA, this is relevant with the SCD gene expression amount.When diet regulating and controlling influences in the butterfat CLA and conjugate linolenic acid concentration; The expression of fat metabolism key enzyme also is affected in the breast tissue, particularly in tissue with CLA together the conjugated linolenic expression that generates closely-related histaminase----Δ 9-fatty acid desaturase (SCD enzyme) receive appreciable impact.Confirmed that the SCD enzyme not only plays key effect when synthesis of conjugated linoleic acid (CLA) in the ruminant galactophore tissue, in the process of synthesis of conjugate leukotrienes (CLnA), equally also played a part very crucial.
Through milch goat being used nutrition regulation method of the present invention and forage compounding, effectively improve butterfat percnetage and CLA, CLnA content in the goat milk, and to goat search for food and the output of milk does not have adverse effect.This not only can increase the goat milk local flavor, and has antitumor, anti-oxidant because of CLA and CLnA; Antiatherosclerosis; Improve immunity, improve skeleton density and prevent and treat multiple important biomolecule such as diabetes and learn function, make the trophic level and functional being further enhanced thereof of goat milk.
Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection domain of accompanying claims of the present invention according to above-mentioned explanation.
Claims (1)
1. a nutrition regulation method that improves Goat Milk butterfat percnetage and conjugation content of fatty acid is characterized in that, in the original basal diet of milch goat, adds safflower oil or siritch; The weight portion of used basal diet and safflower oil or siritch is: basal diet 20, safflower oil 1 or siritch 1, and basal diet comprises according to weight percent meter: corn 15%, barley 26%; Wheat bran 16%, soy meal 3%, corn protein powder 7%; Alfalfa 30%; Lime stone 1.5%, salt 0.5%, compound premix 1%.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104041664A (en) * | 2014-05-30 | 2014-09-17 | 大连民族学院 | Medicago-sativa feed for sheep and preparation method thereof |
| CN107232409A (en) * | 2017-08-01 | 2017-10-10 | 合肥合丰牧业有限公司 | A kind of high-quality meat sheep feed |
| CN114747675A (en) * | 2022-04-29 | 2022-07-15 | 西北农林科技大学 | A kind of diet for optimizing goat milk fat quality and its application |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1762227A (en) * | 2005-11-09 | 2006-04-26 | 中国农业科学院畜牧研究所 | Nutrition regulation method and feed for increasing milk conjugated linoleic acid (CLA) content |
| CN1822772A (en) * | 2003-05-16 | 2006-08-23 | 艾伯塔大学董事会 | Increased concentration of conjugated linoleic acid isomers in ruminant milk fat and/or tissue fat |
| CN1864525A (en) * | 2006-06-26 | 2006-11-22 | 中国农业大学 | A feed for improving conjugated linoleic acid content in butter fat of milk cow |
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2012
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1822772A (en) * | 2003-05-16 | 2006-08-23 | 艾伯塔大学董事会 | Increased concentration of conjugated linoleic acid isomers in ruminant milk fat and/or tissue fat |
| CN1762227A (en) * | 2005-11-09 | 2006-04-26 | 中国农业科学院畜牧研究所 | Nutrition regulation method and feed for increasing milk conjugated linoleic acid (CLA) content |
| CN1864525A (en) * | 2006-06-26 | 2006-11-22 | 中国农业大学 | A feed for improving conjugated linoleic acid content in butter fat of milk cow |
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| 丁国和等: "营养调控牛乳中共轭亚油酸含量的研究紧张", 《畜牧与饲料科学》 * |
| 刘镜等: "提高牛奶乳脂中共轭亚油酸含量的研究进展", 《贵州畜牧兽医》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104041664A (en) * | 2014-05-30 | 2014-09-17 | 大连民族学院 | Medicago-sativa feed for sheep and preparation method thereof |
| CN107232409A (en) * | 2017-08-01 | 2017-10-10 | 合肥合丰牧业有限公司 | A kind of high-quality meat sheep feed |
| CN114747675A (en) * | 2022-04-29 | 2022-07-15 | 西北农林科技大学 | A kind of diet for optimizing goat milk fat quality and its application |
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| CN102550865B (en) | 2013-12-11 |
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