CN114514966A - Additive for improving broiler breast muscle quality and reducing abdominal fat deposition and application thereof - Google Patents
Additive for improving broiler breast muscle quality and reducing abdominal fat deposition and application thereof Download PDFInfo
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- CN114514966A CN114514966A CN202210363624.4A CN202210363624A CN114514966A CN 114514966 A CN114514966 A CN 114514966A CN 202210363624 A CN202210363624 A CN 202210363624A CN 114514966 A CN114514966 A CN 114514966A
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Classifications
-
- 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
- A23K50/70—Feeding-stuffs specially adapted for particular animals for birds
- A23K50/75—Feeding-stuffs specially adapted for particular animals for birds for poultry
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
- A23K10/12—Animal feeding-stuffs obtained by microbiological or biochemical processes by fermentation of natural products, e.g. of vegetable material, animal waste material or biomass
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23K—FODDER
- A23K10/00—Animal feeding-stuffs
- A23K10/10—Animal feeding-stuffs obtained by microbiological or biochemical processes
- A23K10/16—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
- A23K10/18—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions of live microorganisms
-
- 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
- A23K20/158—Fatty acids; Fats; Products containing oils or fats
-
- 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
- A23K20/163—Sugars; Polysaccharides
-
- 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
- A23K20/189—Enzymes
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2400/00—Lactic or propionic acid bacteria
- A23V2400/11—Lactobacillus
- A23V2400/123—Bulgaricus
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2400/00—Lactic or propionic acid bacteria
- A23V2400/41—Pediococcus
- A23V2400/427—Pentosaceus
-
- 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
Abstract
The invention provides an additive for improving the quality of breast muscles of broiler chickens and reducing abdominal fat deposition and application thereof, and relates to the technical field of feed additives. The additive comprises 24-34 parts by weight of fermented Chinese herbal medicine and 5-one of conjugated linoleic acid8 weight portions, the viable count is 2 multiplied by 106cfu/g‑5×1062-10 parts of cfu/g composite probiotics and enzyme preparation; the fermented Chinese herbal medicine is prepared by fermenting Chinese herbal medicine raw materials, wherein the Chinese herbal medicine raw materials comprise fermented astragalus, fermented codonopsis pilosula, fermented bighead atractylodes rhizome and fermented rhizoma atractylodis; the composite probiotics comprise at least two of lactobacillus bulgaricus, lactobacillus cellobiosus and pediococcus pentosaceus; the enzyme preparation comprises amylase and protease. The application provides an improve the pectoral muscle quality of meat chicken that improves meat chicken pectoral muscle quality and reduce abdominal fat deposit can show, effectively reduces abdominal fat deposit simultaneously.
Description
Technical Field
The invention relates to the technical field of feed additives, in particular to an additive for improving the quality of broiler breast muscles and reducing abdominal fat deposition and application thereof.
Background
In recent years, with the improvement of national living standard, the requirements on meat product consumption are changed from 'quantity' to 'quality', and requirements on food safety, flavor, mouthfeel and the like are provided for chicken. The meat quality and the taste of modern commercial broilers are correspondingly reduced due to the pursuit of growth speed and meat production performance. Therefore, the quality and flavor of chicken have become a great subject of chicken production. Due to the rapid development of the divided chicken, the consumption of breast muscle and the economic benefit are increasingly remarkable; therefore, the color, tenderness, shearing force and the like of the breast muscles of the broiler chickens are pursued more and more. Meanwhile, the health pursuit of modern life leads to strict limitation on the deposition of abdominal fat of chicken.
The existing feed resources have the problems of low utilization rate, more anti-nutritional factors and the like, and the quality of chicken cannot be improved.
In view of this, the invention is particularly proposed.
Disclosure of Invention
The invention aims to provide an additive for improving the quality of breast muscles of broiler chickens and reducing abdominal fat deposition and application thereof.
The invention is realized by the following steps:
in a first aspect, the invention provides an additive for improving the quality of broiler breast muscle and reducing the abdominal fat deposition, which comprises 24-34 parts by weight of fermented Chinese herbal medicine, 5-8 parts by weight of conjugated linoleic acid and 2 multiplied by 10 of viable count6cfu/g-5×1062-10 parts of cfu/g of composite probiotic, bacteria and enzyme preparation;
the fermented Chinese herbal medicine is prepared by fermenting Chinese herbal medicine raw materials, wherein the Chinese herbal medicine raw materials comprise fermented astragalus, fermented codonopsis pilosula, fermented bighead atractylodes rhizome and fermented rhizoma atractylodis;
the composite probiotics comprise at least two of lactobacillus bulgaricus, lactobacillus cellobiosus and pediococcus pentosaceus;
the enzyme preparation comprises amylase and protease.
In an optional embodiment, the Chinese herbal medicine raw materials comprise, by mass, 8-12: 8-12: 4-5: 4-5 of fermented astragalus, fermented codonopsis pilosula, fermented atractylodes macrocephala and fermented atractylodes.
In an alternative embodiment, fermenting the herbal material comprises: mixing the powder of the Chinese herbal medicine raw materials, sugar water and a bacterial liquid, and fermenting for 5-7 days at the temperature of 27-33 ℃, wherein the mass ratio of the Chinese herbal medicine raw materials to the sugar water to the bacterial liquid is 100: 15-16: 4-5.
In an optional embodiment, the bacteria liquid is prepared from zymophyte, brown sugar and water according to a mass ratio of 1: 1.5-2.5: 80-120, and activating for 12-20 h.
In the alternative embodimentIn the embodiments, the complex probiotic bacteria include lactobacillus bulgaricus, lactobacillus cellobiosus, and pediococcus pentosaceus; wherein the viable count of the Lactobacillus bulgaricus is 1.5 × 106-2.5×106cfu/g, the viable count of the lactobacillus cellobiosus is 1 multiplied by 106-2×106cfu/g, the viable count of the pediococcus pentosaceus is 0.5 multiplied by 106-1.5×106cfu/g。
In an alternative embodiment, the mass ratio of the amylase to the protease in the enzyme preparation is 1-5: 1-5.
In an optional embodiment, the additive further comprises 10-50 parts by weight of rice bran.
In a second aspect, the present invention provides a use of the additive for improving the breast muscle quality and reducing the abdominal fat deposition of a broiler chicken as described in any one of the preceding embodiments as a feed additive in the preparation of a chicken feed.
In a third aspect, the present invention provides a feed for improving the breast muscle quality and reducing the abdominal fat deposition capacity of a broiler chicken, which comprises a basal diet and the additive for improving the breast muscle quality and reducing the abdominal fat deposition of a broiler chicken as described in any one of the preceding embodiments.
In an optional embodiment, the additive for improving the breast muscle quality and reducing the abdominal fat deposition of the broiler chicken is added to the basic ration in a mass percentage of 0.3-1%.
The invention has the following beneficial effects:
the application provides an improve meat chicken pectoralis quality and reduce additive of abdominal fat deposit is through the traditional Chinese medicine with these four ingredients of qi invigorating and qi replenishing of astragalus, codonopsis pilosula, bighead atractylodes rhizome and rhizoma atractylodis to adopt the mode preparation of fermentation in advance to obtain the fermentation Chinese herbal medicine, through fermentation in advance, can effectively get rid of the anti trophic factor in the Chinese herbal medicine, can also produce the material that has biological activity simultaneously, and then effectively promote the growth and the health of meat chicken. Conjugated linoleic acid can influence the uptake and oxidation of fatty acid and anabolism of lipid by regulating the expression of various nuclear transcription factors, thereby reducing body fat deposition and improving the body quality. The composite probiotics can improve and regulate intestinal flora of the broiler chickens, and avoid fat accumulation on the abdominal parts of the broiler chickens. The enzyme preparation can improve the absorption of the broiler chicken on the feed, so that the breast muscle quality of the broiler chicken is improved, the breast muscle quality of the broiler chicken can be obviously improved through the matching of the components, and meanwhile, the abdominal fat deposition is effectively reduced.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
The invention provides an additive for improving the quality of broiler breast muscle and reducing abdominal fat deposition, which comprises 24-34 parts by weight of fermented Chinese herbal medicine, 5-8 parts by weight of conjugated linoleic acid and 2 multiplied by 10 of viable count6cfu/g-5×106cfu/g of composite probiotics and 2-10 parts of enzyme preparation.
The fermented Chinese herbal medicine is prepared by fermenting Chinese herbal medicine raw materials, and specifically, the fermentation of the Chinese herbal medicine raw materials comprises the following steps: mixing powder, sugar water and bacterial liquid of Chinese herbal medicine raw materials according to a mass ratio of 100: mixing at a ratio of 15-16:4-5, and fermenting at 27-33 deg.C for 5-7 days.
The powder of the Chinese herbal medicine raw materials in the application is prepared by mixing and crushing the Chinese herbal medicine raw materials, and concretely, the Chinese herbal medicine raw materials comprise astragalus, codonopsis pilosula, bighead atractylodes rhizome and rhizoma atractylodis; preferably, the Chinese herbal medicine raw materials comprise, by mass, 8-12: 8-12: 4-5: 4-5 of astragalus root, pilose asiabell root, white atractylodes rhizome and atractylodes rhizome.
The sugar water in the application is prepared by mixing and dissolving hot water and glucose, wherein the mass ratio of the hot water to the glucose is 14-16:0.5-1, namely: about 150kg of hot water is mixed with 8kg of glucose for dissolving in 1 ton of fermented Chinese medicine. The temperature of the hot water is set according to the following table:
| ambient temperature | Temperature of hot water |
| ＜10℃ | 50±3℃ |
| 10—20℃ | 45±3℃ |
| 21—30℃ | 40±3℃ |
| ＞30℃ | 35±3℃ |
The bacterial liquid in the application is prepared in advance one day before production, and specifically adopts zymophyte, brown sugar and water according to the mass ratio of 1: 1.5-2.5: 80-120, and activating for 12-20 h. The zymocyte for preparing the bacteria liquid is fermented by conventional zymocyte (such as Bacillus subtilis and Bacillus licheniformis), and the added water temperature needs to be controlled at 33-37 deg.C to ensure good activity of the zymocyte.
The application specifically includes mixing the powder, sugar water and bacterial liquid of the Chinese herbal medicine raw materials: firstly, putting the prepared powder of the Chinese herbal medicine raw materials into a mixer for mixing for 3 minutes, pumping the sugar water into a spray head and spraying the sugar water into the mixer, finally spraying the bacterial liquid into the mixer, and fully mixing the solid and the liquid for 3 minutes after the liquid is sprayed.
Fermenting at 27-33 deg.C for 5-7 days comprises: putting the mixture of the powder of the Chinese herbal medicine raw materials, the sugar water and the bacteria liquid into a breathing bag for fermentation. Specifically, when the medicinal materials are filled, the operation is careful, redundant air in the breathing bag is firstly exhausted, then a mixture of powder, sugar water and bacteria liquid of the Chinese herbal medicine raw materials is filled, the breathing bag is sealed by a heat sealing machine, then an outer packaging bag is sleeved, the sealing of the inner bag and the outer bag is ensured to be tight, and the fermentation is carried out for 5-7 days at the temperature of 27-33 ℃.
Radix astragali can tonify qi and strengthen superficies; the radix codonopsitis can tonify the middle-jiao and qi, harmonize the stomach and promote the production of body fluid; bai Zhu is used to tonify qi and Bai Zhu is used to damp obstruction of middle energizer and abdominal distention. According to the application, the four traditional Chinese medicines of astragalus, codonopsis pilosula, bighead atractylodes rhizome and rhizoma atractylodis for tonifying qi and qi are prepared into the fermented Chinese herbal medicine in a pre-fermentation mode, anti-nutritional factors in the Chinese herbal medicine can be effectively removed through pre-fermentation, and substances with biological activity (such as yeast cell walls, oligosaccharides, acidifiers, enzyme preparations and the like) can be generated at the same time, so that the growth and health of broiler chickens are effectively promoted.
Conjugated Linoleic Acid (CLA) is a linoleic acid mixture containing conjugated double bonds, and can influence the uptake and oxidation of fatty acid and the anabolism of lipid by regulating the expression of various nuclear transcription factors, thereby reducing the body fat deposition and improving the body quality.
The composite probiotics comprise at least two of lactobacillus bulgaricus, lactobacillus cellobiosus and pediococcus pentosaceus; specifically for the present application, complex probiotics include lactobacillus bulgaricus, lactobacillus cellobiosus, and pediococcus pentosaceus; wherein the viable count of Lactobacillus bulgaricus is 1.5 × 106-2.5×106cfu/g, viable count of Lactobacillus cellobiosus 1 × 106-2×106cfu/g, viable count of Pediococcus pentosaceus 0.5X 106-1.5×106cfu/g。
The lactobacillus bulgaricus can ferment lactose, and galactose and glucose generated by fermentation are easy to absorb, can promote emptying of gastric contents, reduce hypersecretion of gastric acid and inhibit harmful bacteria in intestinal tracts. Secondly, the protein can be decomposed into peptides and amino acids, which is more beneficial to digestion and absorption, and can improve the utilization rate of the protein, so that the broiler chickens can obtain more high-quality proteins, and the quality of the broiler chickens is improved. The lactobacillus cellobiose and the pediococcus pentosaceus are fermented and metabolized to mainly generate lactic acid, and the lactobacillus cellobiose and the pediococcus pentosaceus can promote the absorption of nutrient components, contribute to improving the immunity and reduce cholesterol, so that the abdominal fat accumulation of the broiler chicken can be effectively avoided.
Through adding compound probiotic as the raw materials in to the additive in this application to inject the viable count of every kind of probiotic, make compound probiotic can improve the intestinal flora of adjusting the meat chicken, avoid meat chicken belly fat to pile up.
The enzyme preparation comprises amylase and protease, wherein the amylase can hydrolyze starch into maltose, the protease can hydrolyze protein into polypeptide, and the polypeptide is more beneficial to the absorption of the broiler chicken on feed, so that the breast muscle quality of the broiler chicken is improved, preferably, in the enzyme preparation, the mass ratio of the amylase to the protease is 1-5: 1-5.
The additive also comprises 10-50 parts by weight of rice bran.
The preparation method of the additive for improving the quality of the breast muscle of the broiler chicken and reducing the abdominal fat deposition is simple, and the fermented Chinese herbal medicine, the conjugated linoleic acid, the composite probiotics, the enzyme preparation and the unite bran are directly and uniformly mixed.
The additive for improving the quality of the breast muscles of the broilers and reducing the abdominal fat deposition can be applied to the preparation of chicken feeds and used as a feed additive.
The invention further provides a feed for improving the quality of the breast muscles of the broiler chickens and reducing the abdominal fat deposition, which comprises basic ration and the additive for improving the quality of the breast muscles of the broiler chickens and reducing the abdominal fat deposition. The additive for improving the breast muscle quality of the broiler chicken and reducing the abdominal fat deposition is added into the basic ration by 0.3-1%. The additive for improving the quality of the breast muscles of the broiler chickens and reducing the abdominal fat deposition is added into the basic daily ration, so that the quality of the breast muscles of the broiler chickens can be remarkably improved, the abdominal fat deposition can be reduced, and the mouth feel and the meat quality of the broiler chickens are better.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
The embodiment provides an additive for improving broiler breast muscle quality and reducing abdominal fat deposition, which comprises 30 parts by weight of fermented Chinese herbal medicines, 5 parts by weight of conjugated linoleic acid and 3.5 multiplied by 10 viable count6cfu/g of composite probiotics, 10 parts of enzyme preparation and 55 parts of unite bran;
the fermented Chinese herbal medicine is prepared by fermenting Chinese herbal medicine raw materials, wherein the Chinese herbal medicine raw materials comprise 10 parts of astragalus membranaceus, 10 parts of codonopsis pilosula, 5 parts of bighead atractylodes rhizome and 5 parts of rhizoma atractylodis. Specifically, the ratio of zymophyte, brown sugar and tap water is 1: 2: 100, controlling the water temperature (35 +/-2 ℃), and activating for 12-20h to obtain a bacterial liquid; mixing powder, sugar water and bacterial liquid of Chinese herbal medicine raw materials according to a mass ratio of 100: the mixture is fermented for 5 days at 30 ℃ after being mixed according to the proportion of 15.8:4.5, and the fermented Chinese herbal medicine is obtained.
The composite probiotics has viable count of 2 × 106The viable count of cfu/g of Lactobacillus bulgaricus is 1.5 × 106cfu/g of Lactobacillus cellobiosus and viable count of 1 × 106cfu/g Pediococcus pentosaceus.
The enzyme preparation comprises 5 parts of amylase and 5 parts of protease.
Example 2
The embodiment provides an additive for improving the quality of breast muscles of broiler chickens and reducing abdominal fat deposition, which comprises the following components of 24 parts by weight of fermented Chinese herbal medicines, 8 parts by weight of conjugated linoleic acid and 5 multiplied by 10 of viable count6cfu/g of composite probiotics, 5 parts of enzyme preparation and 63 parts of unite bran;
the fermented Chinese herbal medicine is prepared by fermenting Chinese herbal medicine raw materials, the fermentation method is the same as that in the embodiment 1, and in the embodiment, the Chinese herbal medicine raw materials comprise 8 parts of astragalus membranaceus, 8 parts of codonopsis pilosula, 4 parts of bighead atractylodes rhizome and 4 parts of rhizoma atractylodis. The composite probiotics has viable count of 2.5 × 106The viable count of the cfu/g lactobacillus bulgaricus is 2 multiplied by 106cfu/g of Lactobacillus cellobiosus and viable count of 0.5 × 106cfu/g Pediococcus pentosaceus. The enzyme preparation comprises 3 parts of amylase and 2 parts of protease.
Example 3
The embodiment provides an additive for improving the quality of breast muscles of broiler chickens and reducing abdominal fat deposition, which comprises the following components of 30 parts by weight of fermented Chinese herbal medicines, 5 parts by weight of conjugated linoleic acid and 5 multiplied by 10 viable count6cfu/g of composite probiotics, 2 parts of enzyme preparation and 63 parts of unite bran;
wherein the fermented Chinese herbal medicine is prepared by fermenting the Chinese herbal medicine raw materials, the fermentation method is the same as that of the example 1, and in the example, the Chinese herbal medicine is prepared by fermenting the Chinese herbal medicine raw materialsThe raw materials comprise 12 parts of astragalus, 10 parts of codonopsis pilosula, 4 parts of bighead atractylodes rhizome and 4 parts of rhizoma atractylodis. The composite probiotics has viable count of 2 × 106The viable count of the cfu/g lactobacillus bulgaricus is 2 multiplied by 106cfu/g of Lactobacillus cellobiosus and viable count of 1 × 106cfu/g Pediococcus pentosaceus. The enzyme preparation comprises 1 part of amylase and 1 part of protease.
Comparative example 1
The comparative example is basically the same as the example 1, except that 10 parts of astragalus and 10 parts of codonopsis pilosula in the example 1 are omitted, and the same weight parts of unite bran are added.
Comparative example 2
The comparative example is substantially the same as example 1 except that 5 parts of atractylodes macrocephala koidz and 5 parts of atractylodes macrocephala koidz in example 1 are omitted and the same parts by weight of unite bran are added.
Comparative example 3
The present comparative example is substantially the same as example 1 except that the complex probiotics of example 1 are omitted.
Comparative example 4
The comparative example is substantially the same as example 1 except that 5 parts of amylase and 5 parts of protease in example 1 are omitted and the same weight parts of bran are added.
Test examples
1200 healthy 30-day-old AA chickens with similar body weight (about 50 g) are selected and randomly divided into a control group and a test group (example 1 and comparative examples 1-4), wherein each group has 10 repetitions and each repetition has 20 AA chickens. Feeding basal diet to control group; the experimental group additionally added 0.5% of the additive provided in example 1 and comparative examples 1-4 to the antibiotic-free basal diet. Test period 21 d.
Wherein, the dosage of the first-grade corn in the control group is 360kg, and the dosage of the additive for improving the quality of the breast muscle of the broiler chicken and reducing the abdominal fat deposition is 0 kg; the dosage of the first-grade corn in the test group is 355kg, and the dosage of the additive for improving the breast muscle quality of the broiler chicken and reducing the abdominal fat deposition is 5 kg.
Table 1. the experimental ration formula was as follows:
| components | Dosage (kg) |
| First-grade corn | 360 or 355 |
| 43% soybean meal | 270 |
| Wheat (Triticum aestivum L.) | 220 |
| Puffed soybean | 60 |
| Rice bran | 50 |
| Fine stone powder | 13.5 |
| Calcium hydrogen phosphate | 13 |
| Sodium chloride | 3 |
| L-lysine hydrochloride | 2.5 |
| Core material | 5 |
| DL-methionineAcid(s) | 1.5 |
| 50% Choline chloride | 1 |
| Composite enzyme for feed | 0.4 |
| High temperature phytase | 0.1 |
| Additive for improving immunity and heat stress resistance of Taihe black-bone chicken | 0 or 5 |
| Total up to | 1000 |
| Crude protein% | 20.5 |
| Metabolic energy Kcal | 2900 |
After the end of the test period, the broilers were subjected to pH measurement, flesh color scoring, water loss rate, shear force and abdominal fat rate measurement.
The specific test method is as follows:
and (3) pH measurement: completely stripping eye muscle, storing in a refrigerator at 4 deg.C, taking out sample 24h after slaughtering, cutting the middle section, inserting pH meter electrode into the cutting seam, measuring pH, and correcting with pH4 and pH7 standard solution before measurement.
And (3) meat color determination: measuring the brightness (L value), the redness (a value) and the yellowness (b value) of the muscle by using a colorimeter;
meat color grading: the meat sample is stored in a refrigerator at 4 ℃, the sample is taken out 24 hours after being slaughtered, the fresh sample section is cut, then an oxygen permeable film is covered on the fresh section and the fresh section is placed in a room for diffusion light to be degraded, and the illumination intensity is over 750 uX. The meat samples were scored against a color plate. 1 is divided into fat trace; 2, dividing the fat into trace fat; dividing into fat medium amount by 3 points; 4, dividing into fat; excess fat is divided into 5 points. A score of 0.5 is allowed between the two points.
And (3) water loss rate determination: taking a meat sample within 2h after slaughtering, weighing the weight W1 of the meat sample before pressing with balance, then placing the meat sample on a pressurizing platform, increasing the pressure to 35kg, immediately weighing the weight W2 of the meat sample after pressing after keeping for 5min, and calculating the water loss rate. The water loss rate (%) - (W2-W1)/W1 × 100%.
Shear force: removing fat and excessive connective tissue attached to the surface of the meat sample from the sample taken along the left pectoral muscle, sealing in a plastic bag, and performing autopsy pretreatment at 15-16 deg.C for 24 h. Aging at 4 deg.C for 24 hr. Taking out the meat sample, standing at room temperature for 1 hr, removing plastic bag, inserting thermometer into the center of muscle, wrapping with the mouth facing upward, placing in 80 deg.C water bath, heating, taking out meat sample when the temperature of the center of muscle reaches 70 deg.C, and cooling to room temperature. Each muscle was trimmed to 1cm X3 cm long strips, 3-5, in the direction of muscle fibers, and the shear force was measured 3 times (Salter shear apparatus, G2R Elec. Mf G. Co.), and the average was taken.
Fat deposition index: immediately after slaughter, the abdominal fat was stripped off and weighed. Abdominal fat: including fat around the abdomen and musculoventricular and cloacal regions. Abdominal fat rate (%) refers to the percentage of abdominal fat weight to total dry weight.
The test results of pH measurement, flesh color score are shown in table 2, and the test results of water loss rate, shear force, and abdominal fat rate are shown in table 3.
Table 2 table for statistical results of pH and meat color of broiler chickens
Table 3 statistical table of test results of water loss rate, shearing force and abdominal fat rate of broiler chickens
As can be seen from tables 2 and 3, the meat color of the example 1 provided by the application is obviously better than that of the control group and the comparative examples 1-4, meanwhile, the water loss rate of the broiler chicken can be reduced by feeding the additive added with the example 1, and the shearing force and the abdominal fat rate are both obviously lower than those of the control group and the comparative examples 1-4, so that the additive for improving the breast muscle quality of the broiler chicken and reducing the abdominal fat deposition provided by the application can obviously improve the breast muscle quality of the broiler chicken and effectively reduce the abdominal fat deposition.
To sum up, the additive that improves meat chicken pectoralis quality and reduce abdominal fat deposition that this application provided is through the traditional chinese medicine with these four ingredients tonifying qi of astragalus, codonopsis pilosula, atractylis ovata and rhizoma atractylodis to adopt the mode preparation of fermentation in advance to obtain the fermentation Chinese herbal medicine, through fermentation in advance, can effectively get rid of the anti-nutritional factor in the Chinese herbal medicine, can also produce the material that has biological activity simultaneously, and then effectively promote the growth and the health of meat chicken. Conjugated linoleic acid can influence the uptake and oxidation of fatty acid and anabolism of lipid by regulating the expression of various nuclear transcription factors, thereby reducing body fat deposition and improving the body quality. The composite probiotics can improve and adjust intestinal flora of the broiler chickens, and avoid fat accumulation on the abdominal parts of the broiler chickens. The enzyme preparation can improve the absorption of the broiler chicken on the feed, so that the breast muscle quality of the broiler chicken is improved, the breast muscle quality of the broiler chicken can be obviously improved through the matching of the components, and meanwhile, the abdominal fat deposition is effectively reduced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (10)
1. An additive for improving the quality of the breast muscle of a broiler chicken and reducing the deposition of abdominal fat is characterized in that the components comprise 24 to 34 parts by weight of fermented Chinese herbal medicines, 5 to 8 parts by weight of conjugated linoleic acid and 2 multiplied by 10 of viable bacteria6cfu/g-5×1062-10 parts of cfu/g composite probiotics and enzyme preparation;
the fermented Chinese herbal medicine is prepared by fermenting Chinese herbal medicine raw materials, wherein the Chinese herbal medicine raw materials comprise astragalus, codonopsis pilosula, bighead atractylodes rhizome and rhizoma atractylodis;
the composite probiotics comprise at least two of lactobacillus bulgaricus, lactobacillus cellobiosus and pediococcus pentosaceus;
the enzyme preparation comprises amylase and protease.
2. The additive for improving the quality of the breast muscles of broiler chickens and reducing the abdominal fat deposition as claimed in claim 1, wherein the Chinese herbal medicine raw materials comprise the following components in mass ratio of 8-12: 8-12: 4-5: 4-5 of astragalus root, pilose asiabell root, white atractylodes rhizome and atractylodes rhizome.
3. The additive for improving the quality of the breast muscles and reducing the abdominal fat deposition of the broiler chicken of claim 1, wherein the fermentation of the Chinese herbal medicine raw materials comprises: mixing the powder of the Chinese herbal medicine raw materials, sugar water and a bacterial liquid, and fermenting for 5-7 days at the temperature of 27-33 ℃, wherein the mass ratio of the Chinese herbal medicine raw materials to the sugar water to the bacterial liquid is 100: 15-16: 4-5.
4. The additive for improving the quality of the breast muscles of broiler chickens and reducing the deposition of abdominal fat as claimed in claim 3, wherein said bacterial liquid is prepared from zymophyte, brown sugar and water according to the mass ratio of 1: 1.5-2.5: 80-120, and activating for 12-20 h.
5. The additive for improving the quality of the breast muscles and reducing the abdominal fat deposition of broiler chickens of claim 3, wherein said complex probiotics comprise Lactobacillus bulgaricus, cellobioseLactobacillus and pediococcus pentosaceus; wherein the viable count of the Lactobacillus bulgaricus is 1.5 × 106-2.5×106cfu/g, the viable count of the lactobacillus cellobiosus is 1 multiplied by 106-2×106cfu/g, the viable count of the pediococcus pentosaceus is 0.5 multiplied by 106-1.5×106cfu/g。
6. The additive for improving the breast muscle quality and reducing the abdominal fat deposition of the broiler chicken of claim 3, wherein the mass ratio of said amylase to said protease in said enzyme preparation is 1-5: 1-5.
7. The additive for improving the breast muscle quality and reducing the abdominal fat deposition of the broiler chicken of claim 1, wherein the additive further comprises 10-50 parts by weight of unite bran.
8. Use of the additive according to any one of claims 1 to 7 for improving the quality of the breast muscles of broiler chickens and reducing the deposition of abdominal fat as a feed additive in the preparation of chicken feed.
9. Feed for improving the breast muscle quality and reducing the abdominal fat deposition capacity of broiler chickens, characterized in that it comprises a basal diet and the additive according to any of claims 1 to 7 for improving the breast muscle quality and reducing the abdominal fat deposition of broiler chickens.
10. The feed for improving the breast muscle quality and reducing the abdominal fat deposition capacity of the broiler chicken of claim 9, wherein the additive for improving the breast muscle quality and reducing the abdominal fat deposition of the broiler chicken is added to the basic ration in an amount of 0.3-1% by mass.
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