Preparation method and application of tea-Chinese herbal medicine-kitchen waste mixed chicken feed

Abstract

The invention provides a tea-Chinese herbal medicine-kitchen waste mixed chicken feed as well as a preparation method and application thereof. The tea leaf-Chinese herbal medicine-kitchen waste mixed chicken feed is prepared by the following steps: preparing an additive from powder ground from lightly fermented tea leaves, wormwood powder, raspberry branches and leaves and fruit powder according to a ratio of 6: 2: 2, and then preparing the additive and kitchen waste according to a mass ratio of 10: 90 into the tea leaf-Chinese herbal medicine-kitchen waste mixed chicken feed for feeding local varieties of chicks. After 3 months of growth and detection, compared with chickens raised by kitchen waste, the chickens raised by the mixed chicken feed have the advantages that the average weight of the broilers is obviously increased, the amino acid content of the broilers is obviously increased, the aroma content of the broilers is obviously increased, the amino acid content of eggs is obviously increased, the aroma content of the eggs is increased, and the fatality rate of the chickens is obviously reduced and is less than 5%. According to the technology, waste kitchen waste resources are harmlessly recycled and used for improving the quality of the broiler chickens and eggs of the broiler chickens.

Description

Technical Field

[0001] The invention belongs to the field of chicken farming, and relates to a preparation method of tea-Chinese herbal medicine-kitchen waste mixed chicken feed and application thereof. Background Art

[0002] Factory-based chicken farming and feeding with artificial feeds are the main means of raising broilers, but the flavor of such broilers and their eggs is poor. The quality of chickens and their eggs obtained by raising chickens with grains is good, but the cost is high and it is difficult to achieve on a large scale. Kitchen waste is a kind of leftovers and leftovers, which are usually disposed of as waste. Using kitchen waste resources to raise a large number of free-range chickens and cultivate "kitchen waste native chickens" not only makes full use of kitchen waste resources, but also can raise a large number of native chickens. People in the industry are happy to see the success of this format. However, after careful tasting, it is found that the flavor of "kitchen waste native chickens" is indeed much better than that of factory-fed chickens, but there is still a gap between its flavor and that of real native chickens, and the taste and aroma of its muscles do not meet the standards of real native chickens. Moreover, broilers do not have a good taste and appetite for kitchen waste.

[0003] Tea is common and contains many nutrients. Mugwort and raspberry are also common and abundant Chinese medicinal materials. Mugwort contains protein, dietary fiber, essential amino acids, polyunsaturated fatty acids, minerals and a variety of plant active substances (including volatile oils, flavonoids, polyphenols and polysaccharides), and is a natural plant feed additive with great potential. Raspberry tea, made from raspberry leaves and fruits, has a convergence effect and has the effects of relieving toothache and beautifying the skin. Raspberry fruit contains organic acids, sugars, a small amount of vitamin C, triterpenoid components gallic acid (ellagic acid), raspberry acid (fupenzic acid), ellagic acid and β-sitosterol (β-sitosterol), raspberry ketone (raspberry ketone). There are few reports on the effect of raspberries on the growth of chickens.

[0004] Kitchen waste is often used to raise chickens, ducks, and pigs, but there is a lack of research on mixing tea, Chinese herbal medicine, and kitchen waste to feed chickens. It can be used as chicken feed. There are also open spaces and green spaces in the suburbs, at the foot of the mountain, and on the slopes, which are suitable for raising chickens. If we can find a reasonable formula between tea, Chinese herbal medicine, and kitchen waste, and use it to improve the quality of chickens and increase the profits of chicken farming, it will be a welcome measure to turn waste into treasure and increase income and efficiency. Summary of the invention

[0005] The invention provides a preparation method and application of tea-Chinese herbal medicine-kitchen waste mixed chicken feed.

[0006] The method for preparing the tea-Chinese herbal medicine-kitchen waste mixed chicken feed of the present invention is achieved by the following steps:

[0007] The powder of lightly fermented tea leaves, wormwood powder, raspberry branches and leaves and fruit powder are mixed into an additive in a mass ratio of 6:2:2, and the additive and kitchen waste are mixed into a tea-Chinese herbal medicine-kitchen waste mixed chicken feed in a mass ratio of 10:90.

[0008] The mixed chicken feed prepared by the present invention can be used to raise local breed chickens. The chickens are raised in a relatively wide open-air chicken farm with an average density of 1-3 chickens / m 2 , provide qualified drinking water, lighting conditions, and rain shelter. Preferably, provide a small amount of grass and vegetables for pecking from time to time. Remove fresh eggs laid every day. Prevent and treat diseases in time according to the epidemic situation of chickens.

[0009] The invention also provides the use of the mixed chicken feed as feed for improving the amino acid content of broilers or eggs.

[0010] Compared with the prior art, the present invention adds tea powder, wormwood powder, raspberry branches and leaves and fruit powder to chicken feed. These ingredients have the effect of seasoning, which can promote the appetite of chickens and improve the quality of chicken and eggs. Feed additives contain active ingredients such as polysaccharides, glycosides and organic acids, which have a regulatory effect on the immune system of chickens. Many active factors in feed additives can restore the normal physiological functions of body cells by activating immune cells, disrupt the metabolism of pathogenic microorganisms, effectively inhibit the growth and development of pathogenic microorganisms, thereby playing a bactericidal effect, maintaining the health of animal bodies, and protecting the ecological environment of the body. Adding an appropriate amount of wormwood or its extract to feed can improve animal production performance, improve body health, strengthen disease resistance, and improve product quality.

[0011] The mixed chicken feed of the present invention is used to feed young chickens. After three months of growth, the chickens grow up. It is found that compared with chickens fed with kitchen waste, the average weight of broilers fed with the mixed chicken feed is significantly increased, the amino acid content of broilers is significantly increased, the aroma content of broilers is significantly increased, the amino acid content of eggs is significantly increased, the aroma content of eggs is increased, and the mortality rate of chickens is significantly reduced to less than 5%. The technology recycles the abandoned kitchen waste resources harmlessly. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is the total ion current chromatogram of aroma volatiles in eggs from broiler chickens fed with tea-wormwood-raspberry-kitchen waste.

[0013] Figure 2 This is the total ion current chromatogram of chicken aroma volatiles from broiler chickens fed with tea-wormwood-raspberry-kitchen waste.

[0014] Figure 3 It is the technical roadmap of the present invention. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] Example 1 Study on the effect of adding lightly fermented tea leaves to kitchen waste on chicken feeding

[0017] 1 Experimental design

[0018] Experimental location and time: Free-range chicken farm of Songyang Xintiandi Agricultural Tourism Development Co., Ltd. Experimental time: October 2023 - November 2023.

[0019] Test broilers: Songyang fragrant tea was crushed with a grinder and lightly fermented (fermentation degree 10%-25%). 120 30-day-old Songyang native chickens with basically the same healthy weight were selected and randomly divided into 4 groups, 30 in each group, and raised for 30 days. The CK group was fed with Xintiandi company's kitchen waste, and the test groups 1, 2, and 3 were added with 5%, 9%, and 12% of lightly fermented tea powder by mass, respectively. At the end of the feeding test, 5 chickens were taken from each group and slaughtered.

[0020] Feeding management: Feed twice a day at 8:00 am and 16:30 pm. Feed and drink water freely. When feeding, increase or decrease the feeding amount appropriately according to the remaining feed in the feed bucket last time.

[0021] Measurement items:

[0022] ① Body weight: The animals were fasted at 20:00 the day before the start and end of the experiment, and each was weighed at 8:00 the next day, with the initial and final weights recorded.

[0023] ② Feed consumption: Weigh the remaining feed in the feed bucket before feeding and accurately record the daily feeding amount.

[0024] ③ Slaughter test: At the end of the test, 5 chickens were selected from each group and slaughtered after being allowed to drink water freely but fasting for 24 hours.

[0025] 2 Test results

[0026] (1) Effects of different addition amounts of lightly fermented tea on the growth performance of broilers

[0027] The final weight and average daily weight gain of experimental group 2 were the highest, which were 1663g and 39.1g respectively. The average daily feed intake of experimental group 2 was the highest, which was 100g. The final weight and average daily weight gain of the control group were significantly different from those of experimental groups 1, 2 and 3, and the values ​​of the control group were lower (Table 1).

[0028] Table 1 Effects of different addition amounts of lightly fermented tea on the growth performance of broilers

[0029]

[0030]

[0031] (2) Effects of different addition amounts of lightly fermented tea on the slaughter performance of broiler chickens

[0032] The detection indicators of live weight, carcass weight, breast muscle weight and leg muscle weight in Experimental Group 2 were the highest (Table 2).

[0033] Table 2 Effects of different addition amounts of lightly fermented tea on broiler slaughter performance

[0034]

[0035] 3 Summary

[0036] Adding a certain amount of lightly fermented tea leaves to the kitchen waste in daily feeding can significantly increase the weight of broilers, increase their feed intake, improve their production performance, and at the same time improve their slaughter performance, thus achieving better feeding effects.

[0037] Example 2 Study on the effect of adding wormwood powder to kitchen waste on chicken feeding

[0038] 1 Experimental design

[0039] Artemisiae argyi Levl et Vant., a perennial herbaceous plant of the Asteraceae family, is a traditional Chinese medicine. This study conducted the following experiments: Purchased wormwood from the market, the branches and leaves were crushed with a grinder and set aside.

[0040] Experimental location and time: Free-range chicken farm of Songyang Xintiandi Agricultural Tourism Development Co., Ltd.

[0041] Trial time: October 2023 - November 2023.

[0042] Broilers for the test: 120 one-day-old Songyang native chickens with an average initial body weight of 39g were selected and randomly divided into CK group, test group 1, test group 2, and test group 3, with 3 replicates in each group and 10 chickens in each replicate. Group A was the control group and was fed with kitchen waste (i.e., basic diet). 1%, 2%, and 3% wormwood powder were added to the kitchen waste in test groups 1, 2, and 3, respectively. The kitchen waste was provided by Songyang Xintiandi Agricultural Company.

[0043] Feeding and management: One-week-old chicks are raised in cages with thick litter, and 2-7 weeks-old chicks are raised on the ground with thick litter. They are fed in different repetition pens, with free access to food and water, and 24-hour light. The temperature, humidity, and light of each group of chickens are roughly the same. Chicken house disinfection and disease prevention are carried out according to conventional methods.

[0044] Measurement items:

[0045] During the feeding experiment, the feed consumption was counted. At 7:00 on the 35th day of age, 5 chickens were randomly selected from each group and weighed on an empty stomach to calculate the average value. The sample average was then used as the approximate average of the population to calculate body weight, daily weight gain, and feed-to-weight ratio.

[0046] 2 Test results

[0047] When the broilers were 35 days old, the average daily weight gain of the CK group, test group 1, test group 2, and test group 3 were 20.6g, 21.0g, 21.5g, and 21.6g, respectively, and the daily weight gain of the test group 1, test group 2, and test group 3 was higher than that of the control group (Table 3).

[0048] Table 3 Body weight, daily weight gain and feed-to-weight ratio of broilers in each group fed with kitchen waste feed containing wormwood powder

[0049]

[0050] 3 Summary

[0051] Adding different amounts of mugwort powder can increase the average daily weight gain of Songyang native chickens to varying degrees, reduce feed-to-weight ratio, and improve production performance. Considering the cost of feeding and the quality of broilers, it is recommended that mugwort powder be added to broiler feed at a rate of 2%.

[0052] Example 3 Study on the effect of adding raspberry branches, leaves and fruit powder to kitchen waste on chicken feeding

[0053] 1 Experimental design

[0054] Raspberry (Rubus idaeus L.) is a shrub of the Rosaceae family and a traditional Chinese medicine. It has the effects of nourishing the kidney, strengthening the essence, reducing urine, nourishing the liver and improving eyesight, anti-cancer, anti-oxidation, anti-aging, anti-bacterial and anti-inflammatory. Raspberry is used in the field of traditional Chinese medicine as a traditional Chinese medicine. Raspberry can also be used as a potted plant and has a high ornamental value. This study conducted the following experiment: raspberry branches and fruits were purchased from the market, and the branches and leaves were crushed with a grinder and added to kitchen waste.

[0055] Experimental location and time: Free-range chicken farm of Songyang Xintiandi Agricultural Tourism Development Co., Ltd.

[0056] Trial time: February 2024 - March 2024.

[0057] Broilers for the test: 120 one-day-old Songyang native chickens with an average initial body weight of 38g were selected and randomly divided into CK group, test group 1, test group 2, and test group 3, with 3 replicates in each group and 10 chickens in each replicate. Group A was the control group and was fed with kitchen waste (i.e., the basic diet). Raspberry branches and fruit powder were added to the kitchen waste by mass percentage of 1%, 2%, and 3% respectively in test groups 1, 2, and 3. The kitchen waste was provided by Songyang Xintiandi Agricultural Company.

[0058] Feeding and management: One-week-old chicks are raised in cages with thick litter, and 2-7 weeks-old chicks are raised on the ground with thick litter. They are fed in different repetition pens, with free access to food and water, and 24-hour light. The temperature, humidity, and light of each group of chickens are roughly the same. Chicken house disinfection and disease prevention are carried out according to conventional methods.

[0059] Measurement items:

[0060] During the feeding experiment, the feed consumption was counted. At 7:00 on the 35th day of age, 5 chickens were randomly selected from each group and weighed on an empty stomach to calculate the average value. The sample average was then used as the approximate average of the population to calculate body weight, daily weight gain, and feed-to-weight ratio.

[0061] 2 Test results

[0062] As shown in Table 4, when the broilers were 35 days old, the average daily weight gain of the CK group, test group 1, test group 2, and test group 3 were 20.5g, 21.0g, 22.0g, and 22.1g, respectively. The daily weight gain of the test group 1, test group 2, and test group 3 was higher than that of the control group.

[0063] Table 4 Body weight, daily weight gain and feed-to-weight ratio of broilers in each group with raspberry branches and fruit powder

[0064]

[0065] 3 Summary

[0066] Adding different amounts of raspberry branches and leaves and fruit powder can increase the average daily weight gain of Songyang native chickens to varying degrees, reduce feed-to-weight ratio, and improve production performance. Considering the cost of feeding and the quality of broilers, it is recommended that wormwood powder be added to broiler feed at a rate of 2%.

[0067] Example 4 Preparation of tea-wormwood-raspberry-kitchen waste mixed feed and its effect on chicken growth

[0068] 1 Experimental design

[0069] (1) The results of the study of "Example 1", "Example 2" and "Example 3" show that adding 6% tea powder, 2% wormwood powder and 2% raspberry as additives to kitchen waste has a good effect on chicken growth. Considering the cost, the proportion of tea powder, wormwood powder, raspberry branches and leaves and fruit powder was adjusted to 6:2:2 as an additive.

[0070] (2) Feed selection:

[0071] The main feed is made of Xintiandi Company's kitchen waste, with tea powder, wormwood powder, raspberry branches and leaves and fruit powder added in a ratio of 6:2:2:

[0072] (3) Prepare 5 groups of feed and conduct the following 5 tests simultaneously:

[0073] Experiment ①: The tea-wormwood-raspberry additive accounted for 5% of the feed and the kitchen waste accounted for 95%;

[0074] Experiment ②: tea-wormwood-raspberry additives accounted for 10% of the feed and kitchen waste accounted for 90%;

[0075] Test ③: tea-wormwood-raspberry additive accounted for 5% of feed, grain (grains for chickens) accounted for 95%; Test ④: kitchen waste accounted for 100%, control 1 (CK1);

[0076] Experiment ⑤: Cereals accounted for 100%, and the control was 2 (CK2).

[0077] (4) Trial period: April 2024 to June 2024.

[0078] (5) Feeding and management: The local breed of chickens from Songyang were selected as the experimental materials and fed with the five kinds of feed. Experiments ①, ②, ③, ④ and ⑤ were conducted at the free-range chicken farm of Xintiandi Company. Each experiment was divided into three groups, with 20 chickens in each group. After three months, the chickens were slaughtered and weighed, and their body weight, daily weight gain, and feed-to-weight ratio were tested.

[0079] One-day-old chicks weigh 36g. One-week-old chicks are raised in thick litter cages, and then moved to thick litter ground flats. They are fed in different repetition pens, with free access to food and water, and 24-hour light. The temperature, humidity, and light of the environment in each group of chickens are roughly the same. Chicken house disinfection and disease prevention are carried out according to conventional methods.

[0080] 2 Test results

[0081] As shown in Table 5, the feed-to-weight ratio of grains was the lowest (2.0). The feed-to-weight ratio of food waste was the highest (2.2). The food waste mixed feed with 10% additives was lower (2.1). The daily weight gain of 5% additives + grains was the highest (16.3), followed by 10% additives + food waste (16.2).

[0082] Table 5 Effects of Chinese herbal medicine, kitchen waste and grains on the growth characteristics of broiler chickens fed for 90 days

[0083]

[0084]

[0085] 3 Summary

[0086] Taking into account the price and availability of feed, we use 10% additives + 90% kitchen waste.

[0087] Example 5 Amino Acid Analysis of Chickens and Eggs Raised with Mixed Feed of Kitchen Waste, Tea-Mugwort-Raspberry (10%)-Kitchen Waste (90%)

[0088] 1 Experimental design

[0089] (1) Test materials

[0090] Three-month-old chickens fed with kitchen waste, tea-wormwood-raspberry additive (10%) and kitchen waste (90%), weighing 1500 g / feather, were slaughtered. The chicken flavor (amino acid quality and quantity composition) was tested; at the same time, the egg flavor (amino acid quality and quantity composition) was tested.

[0091] (2) Test methods

[0092] ① Detection method of chicken amino acids

[0093] Test materials: Hitachi L-8800 amino acid automatic analyzer (Japan). Conventional reagents.

[0094] Sample processing: Songyang native chickens were stopped from being fed for 12 hours and only fed with water, then slaughtered, scalded, plucked, singed, intestines pulled, rinsed, viscera removed, cleaned, meat collected, packaged, and stored. After the samples were sealed and immersed in a refrigerator at 5°C for 1 hour, the cut breast meat and chicken thigh meat were mixed, crushed, and mixed evenly.

[0095] Detection of free amino acids: weigh 800 mg of sample into a 10 mL plastic centrifuge tube, add 15 mL of 4% sulfosalicylic acid solution, shake well, centrifuge at 22,000 r / min for 15 min, take 1 mL of supernatant, dilute 4 times, filter and set aside.

[0096] Hitachi L-8800 fully automatic amino acid analyzer, analysis cycle 53min. Separation column conditions: eluent flow rate 0.4mL / min, column temperature 70℃, column pressure 8.627MPa. Reaction conditions: ninhydrin and ninhydrin buffer, flow rate 0.35mL / min, column temperature 135℃, column pressure 0.982MPa.

[0097] ② Detection method of egg amino acids

[0098] Experimental materials: kitchen waste, tea-mugwort-raspberry-kitchen waste. Eggs laid by Songyang native chickens fed for 3 months. 20 eggs from the same batch were randomly selected and tested within 24 hours after laying.

[0099] Reagents: hydrochloric acid, phenol and sodium citrate (analytical grade, Sinopharm Chemical Reagent Co., Ltd.); sodium hydroxide, sodium chloride (superior grade, Beijing Beihua Fine Chemicals Co., Ltd.); 17 kinds of L-amino acid mixed standards (Wako Company, Japan); amino acid automatic analyzer on-board buffer (L-8500-PH-KIT).

[0100] Instruments: L-8900 amino acid automatic analyzer (Hitachi, Japan); MS204S electronic analytical balance (Mettler-Toledo, Switzerland); DZF6090 vacuum drying oven (Shanghai Pudong Rongfeng Scientific Instrument Co., Ltd.); DHG-9240A constant temperature drying oven (Shanghai Yiheng Technology Co., Ltd.); FSH-2A high-speed homogenizer (Jiangsu Jintan Ronghua Instrument Manufacturing Co., Ltd.); Milli-Q Advantage A1 ultrapure water device (Millipore Corporation, USA).

[0101] Method: According to GB / T5009.124-2003 Determination of Amino Acids in Food. Take 10 eggs each, put them in a clean container and dry them at 60℃ as whole egg samples. Each dried sample is crushed evenly and set aside. Each sample is repeated 3 times. Take about 100mg of the sample (accurate to 0.0001g) and place it in an amino acid hydrolysis tube. Add 20mL of 6mol / L hydrochloric acid solution and 100μL of mercaptoethanol. Seal the tube under nitrogen protection and hydrolyze it in a constant temperature drying oven at 110℃ for 22h. After cooling to room temperature, make up to 50mL with ultrapure water, take 2.0mL of the filtrate and place it in a clean test tube. Evaporate it at 70℃ in a vacuum drying oven. The residue is washed and evaporated twice with the same volume of ultrapure water. Finally, add 1.0mL of machine buffer to dilute, shake well and pass through a water filter membrane (0.22μm) for testing.

[0102] 2 Test results

[0103] (1) Amino acid content of broilers fed with kitchen waste and tea-wormwood-raspberry-kitchen waste

[0104] As shown in Table 6, the contents of histidine, alanine, glutamic acid and serine in chicken were relatively high. The total amino acid contents of broilers fed with kitchen waste and tea-wormwood-raspberry-kitchen waste were 159.23 g and 173.53 g, respectively, with an increase rate of 9.00%.

[0105] Table 6 Amino acid content of broiler chickens fed with kitchen waste and Chinese herbal medicine-kitchen waste

[0106]

[0107]

[0108] (2) Amino acid content of eggs from broiler chickens fed with kitchen waste and tea-wormwood-raspberry-kitchen waste

[0109] As shown in Table 7, the contents of histidine, alanine, glutamic acid and serine in chicken were relatively high. The total amino acid contents of broilers fed with kitchen waste and tea-wormwood-raspberry-kitchen waste were 23.43 g / 100 g and 25.52 g / 100 g, respectively, with an increase rate of 8.90%.

[0110] Table 7 Amino acid content of eggs from broiler chickens fed with kitchen waste and Chinese herbal medicine-kitchen waste

[0111]

[0112]

[0113] Example 6 Aroma analysis of chickens and eggs raised with a mixed chicken feed of kitchen waste, tea-wormwood-raspberry (10%)-kitchen waste (90%)

[0114] 1 Experimental design

[0115] (1) Test materials

[0116] Three-month-old chickens fed with kitchen waste, tea-wormwood-raspberry additive (10%) and kitchen waste (90%), weighing 1500 g / feather, were slaughtered. The aroma of chicken (quality and quantity of aroma components) was tested; at the same time, the aroma of eggs (quality and quantity of aroma components) was tested.

[0117] (2) Test methods

[0118] Using the headspace dynamic adsorption method and its device, cooked chicken breast and thigh meat and cooked shelled eggs were used as flavor source materials, with a mass of 25.0 g. They were chopped and placed in a cylindrical glass container with an air inlet and an air outlet of the device. Pure air was introduced from the air inlet, and the air outlet was connected to a 150 mg Super Q adsorption column and a vacuum pump. After 24 hours, the adsorption column was removed and eluted with 600 μL of dichloromethane. 20 μL of 10 -4 g / mL ethyl decanoate was used as the internal standard, which was slowly purged and concentrated to about 20 μL under a high-purity nitrogen flow, and 1 μL was aspirated and injected into GC-MS for detection.

[0119] The GC-MS instrument was manufactured by Agilent, model: gas chromatograph Agilent GC6890A coupled detector MSD6975. It was equipped with a HP-5MS quartz capillary column, length 30.0m×wall thickness 250μm×diameter 0.25μm. Qualitative analysis: comparison of retention time of sample components with retention time of standard compounds; comparison of mass spectra of sample components with compounds in the NIST11.L spectral library carried by the GC-MS instrument; reference check of relevant literature [7-9]. Relative quantification of sample components: relative quantification based on the ratio of peak area of ​​sample components to peak area of ​​internal standard. The experiment was repeated 3 times.

[0120] 2 Test results

[0121] (1) Differences in the aroma of eggs from broilers fed with kitchen waste and tea-wormwood-raspberry-kitchen waste mixed feed

[0122] The aroma volatiles of eggs from broiler chickens fed with kitchen waste and tea-wormwood-raspberry-kitchen waste are shown in Table 8. The aroma content of eggs from the latter is significantly increased ( Figure 1 ).

[0123] Table 8 Aroma content of eggs from broiler chickens fed with kitchen waste and tea-wormwood-raspberry-kitchen waste

[0124]

[0125] (2) Differences in aroma of chicken meat from broilers fed with kitchen waste and tea-wormwood-raspberry-kitchen waste mixed feed The aroma volatiles of chicken meat from broilers fed with kitchen waste and tea-wormwood-raspberry-kitchen waste mixed feed are shown in Table 9. The aroma content of chicken meat from the latter feed was significantly increased ( Figure 2 ).

[0126] Table 9 Aroma content of chicken meat in broiler chickens fed with kitchen waste and tea-wormwood-raspberry-kitchen waste

[0127]

[0128] Based on the results of the above embodiments, the overall technical route of the present invention is shown in Figure 3 As shown, the present invention adds lightly fermented tea powder, wormwood powder, raspberry branches and leaves and fruit powder as additives in preferred proportions to kitchen waste, and selects local breed native chickens as breeding objects, which can significantly improve or increase broiler weight, broiler amino acid content, broiler aroma content (quality and quantity of aroma components), egg quality (egg taste (amino acid quality and quantity composition), egg aroma (quality and quantity of aroma components)). When fed with the feed of the present invention, the mortality rate of chickens is significantly reduced to less than 5%. This technology recycles discarded kitchen waste resources harmlessly.

[0129] The above-mentioned embodiments only express several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. For ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A method for preparing tea-Chinese herbal medicine-kitchen waste mixed chicken feed, characterized in that: The method comprises the following steps: powder of lightly fermented tea leaves, wormwood powder, raspberry branches and leaves and fruit powder are mixed in proportion to form an additive; and the additive and kitchen waste are mixed in proportion to form the tea leaves, Chinese herbal medicine and kitchen waste mixed chicken feed.

2. The method for preparing tea-Chinese herbal medicine-kitchen waste mixed chicken feed according to claim 1, characterized in that: The additive and the kitchen waste are mixed into the tea-leaf-Chinese herbal medicine-kitchen waste mixed chicken feed in a mass ratio of 10:

90.

3. The method for preparing tea-herb-kitchen waste mixed chicken feed according to claim 2, characterized in that: The powdered tea leaves, wormwood powder, raspberry branches and leaves, and fruit powder are mixed into the additive in a mass ratio of 6:2:

2.

4. The method for preparing tea-herb-kitchen waste mixed chicken feed according to claim 1, characterized in that: The fermentation degree of the lightly fermented tea leaves is 10%-25%.

5. The mixed chicken feed prepared by the method according to any one of claims 1 to 4.

6. The use of the mixed chicken feed according to claim 5, characterized in that: The mixed chicken feed is used for raising local breed chickens.

7. The use according to claim 6, characterized in that The chickens are raised in a wide open-air chicken farm, with an average density of 1-3 chickens per meter. 2 , fed with mixed chicken feed, and provided with qualified drinking water, light conditions, and shelter from rain.

8. The use according to claim 6, characterized in that: Remove freshly laid eggs daily.

9. Use of the mixed chicken feed according to claim 5 as feed for increasing the amino acid content of broilers or eggs.

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