CN113475640A - Compound feed for reducing feed conversion ratio of broiler chickens and preparation method and application thereof - Google Patents

Compound feed for reducing feed conversion ratio of broiler chickens and preparation method and application thereof Download PDF

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Publication number
CN113475640A
CN113475640A CN202110821191.8A CN202110821191A CN113475640A CN 113475640 A CN113475640 A CN 113475640A CN 202110821191 A CN202110821191 A CN 202110821191A CN 113475640 A CN113475640 A CN 113475640A
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parts
compound
feed
vitamin
conversion ratio
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Inventor
姜元刚
刘胜男
孙义勇
马万龙
马驰
邸国
张铁
李淼
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Changchun Hefeng Feed Co ltd
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Changchun Hefeng Feed Co ltd
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    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K50/00—Feeding-stuffs specially adapted for particular animals
    • A23K50/70—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
    • A23K10/16—Addition of microorganisms or extracts thereof, e.g. single-cell proteins, to feeding-stuff compositions
    • 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
    • A23K10/20—Animal feeding-stuffs from material of animal origin
    • A23K10/26—Animal feeding-stuffs from material of animal origin from waste material, e.g. feathers, bones or skin
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K10/00—Animal feeding-stuffs
    • A23K10/30—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms
    • A23K10/37—Animal feeding-stuffs from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms from waste material
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/105—Aliphatic or alicyclic compounds
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/10—Organic substances
    • A23K20/142—Amino acids; Derivatives thereof
    • 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
    • A23K20/174—Vitamins
    • 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
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/22—Compounds of alkali metals
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/24—Compounds of alkaline earth metals, e.g. magnesium
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/26—Compounds containing phosphorus
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23K—FODDER
    • A23K20/00—Accessory food factors for animal feeding-stuffs
    • A23K20/20—Inorganic substances, e.g. oligoelements
    • A23K20/30—Oligoelements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/87—Re-use of by-products of food processing for fodder production

Abstract

The invention provides a compound feed for reducing the feed conversion ratio of broiler chickens, which comprises the following raw materials in parts by weight: corn: 30-45 parts of soybean meal, 25-30 parts of brown rice, 18-22 parts of brown rice, 5-8 parts of rice bran oil, 1-2.5 parts of sunflower kernel meal, 1-1.5 parts of hydrolyzed feather meal, 0.7-1.5 parts of calcium hydrophosphate, 0.5-1.2 parts of stone powder, 0.2-0.5 part of sodium chloride, 0.7-2 parts of compound amino acid, 0.1-0.2 part of sodium humate, 0.01-0.02 part of bacillus subtilis, 0.01-0.02 part of mannase, 0.015-0.02 part of yeast selenium, 0.025-0.03 part of compound vitamin and 0.1 part of compound trace element. According to the invention, the feed conversion ratio of the broiler chicken is reduced by adding bacillus subtilis, mannase and selenium yeast.

Description

Compound feed for reducing feed conversion ratio of broiler chickens and preparation method and application thereof
Technical Field
The invention relates to the technical field of feed formula design and feed processing, and particularly provides a compound feed for reducing the feed conversion ratio of broiler chickens, and a preparation method and application thereof.
Background
With the continuous development of economy and the continuous improvement of the living standard of people, the consumption of chicken is continuously increased, the requirements of consumers on the quantity and the quality of the chicken are higher and higher, and the chicken product brings good economic and social benefits.
At present, the broiler breeding density is increasing in the large-scale intensive broiler breeding process. Due to the fact that the protein content and the energy level in the feed are too high, the weight gain speed is too fast, the death rate is increased, the feed-meat ratio (namely the ratio of the weight of the feed eaten by the broilers to the weight of the broilers) is increased when the broilers are slaughtered, and the feeding cost is increased. The original feed formula needs to be changed, so that the death and culling rate is reduced, the feed conversion ratio is reduced, the breeding cost is reduced while the fast growth of the broiler chickens is ensured, and more healthy chicken products with high quality and low price are provided for consumers.
Disclosure of Invention
The invention provides a compound feed for reducing feed conversion ratio of broiler chickens, aiming at improving energy content in unit weight of the feed, improving digestion, absorption and utilization rate of amino acid and improving palatability of the feed, by adding compound amino acid comprising lysine, sulfur-containing amino acid, threonine and the like to design and regulate and control the level of amino acid in feed components, and comprehensively using mannase, bacillus subtilis, yeast selenium and the like, the intestinal health of the broiler chickens is ensured, the absorption of nutrient substances is improved, the immunity is enhanced, and the feed conversion ratio of the broiler chickens is reduced.
The technical scheme of the invention is that the compound feed for reducing the feed conversion ratio of broiler chickens comprises the following raw materials in parts by weight: corn: 30-45 parts of soybean meal, 25-30 parts of brown rice, 18-22 parts of brown rice, 5-8 parts of rice bran oil, 1-2.5 parts of sunflower kernel meal, 1-1.5 parts of hydrolyzed feather meal, 0.7-1.5 parts of calcium hydrophosphate, 0.5-1.2 parts of stone powder, 0.2-0.5 part of sodium chloride, 0.7-2 parts of compound amino acid, 0.1-0.2 part of sodium humate, 0.01-0.02 part of bacillus subtilis, 0.01-0.02 part of mannase, 0.015-0.02 part of yeast selenium, 0.025-0.03 part of compound vitamin and 0.1 part of compound trace element.
Further, the mannanase has an active enzyme content of 3.6X 10 per kg of mannanase8Activity units/kg.
Further, the compound trace elements comprise the following components in gram per kilogram of the compound trace elements: 450g/kg of iron, 25g/kg of copper, 110g/kg of zinc, 120g/kg of manganese, 8g/kg of iodine and 750g/kg of calcium.
Further, the compound vitamin comprises the following components by weight per kilogram of the compound vitamin: vitamin A: 500000KIU/kg, vitamin D3: 15000KIU/kg, vitamin E: 80KIU/kg, vitamin K3: 15g/kg, vitamin B1: 15g/kg, vitamin B2：32g/kg，B6: 15g/kg, vitamin B12: 100mg/kg, folic acid: 5g/kg, biotin: 400mg/kg, niacin: 200g/kg, calcium pantothenate: 50 g/kg.
Further, the compound amino acid comprises the following components in percentage by mass: 62% of L-lysine sulfate, 25% of DL-methionine and 13% of L-threonine.
Furthermore, the selenium content in the selenium yeast is 2400mg/kg based on each kilogram of selenium yeast.
Furthermore, the viable count of the bacillus subtilis is 1 multiplied by 10 according to each gram of the bacillus subtilis6CFU/g。
The mannanase is preferably manufactured by Meizyme XT (trade name) supplied by Eisen health Co., Ltd; the yeast selenium feed additive is preferably provided by biological technology limited of Zhedong Cheng in Yunnan; bacillus subtilis is preferably used under the trade name Bo phenanthri (trade name) supplied by West Taiwan madder of Korea.
The invention also aims to provide a preparation method of the compound feed for reducing the feed conversion ratio of the broiler chickens, which comprises the following steps:
s1, according to the formula, corn, brown rice, bean pulp, high-protein bean pulp and sunflower kernel pulp are crushed by a crusher, the aperture of a sieve plate of the crusher is 7.0mm, and then the materials are mixed with other raw materials;
s2, mixing the mixed materials after the ingredients through a double-shaft paddle type mixer for 120 seconds, and then packaging to obtain the compound feed for reducing the feed-meat ratio of the broiler chickens
The invention also provides the application of the compound feed for reducing the feed conversion ratio of the broiler chickens in reducing the feed conversion ratio performance of the broiler chickens.
The invention has the beneficial effects that:
1) the raw materials such as the soybean meal, the sesame meal, the rape meal, the coconut meal and the like in the raw material formula contain high mannan, and the mannan has a strong anti-nutritional effect, so that the production performance of the broiler chicken is reduced. Therefore, the addition of the mannanase can eliminate the absorption of glucose by mannan and improve the digestibility of feed energy; on the other hand, the mannan-oligosaccharide can be used for decomposing mannan, so that the mannan-oligosaccharide can be utilized by beneficial bacteria, and the infection of escherichia coli, salmonella and coccidium can be reduced; and in the third aspect, the intestinal viscosity can be reduced, and the digestion and absorption rate of energy and protein can be improved. In general, the mannase is added into the feed to increase the weight of broilers of 42 days old by 33 g, improve the feed conversion ratio by 0.05 and increase the survival rate by 0.68%.
2) The invention designs proper selenium addition amount in the raw material formula: under the oxidative stress condition, the metabolism and the required amount of selenium in the broiler chickens are changed, and the addition amount of 0.3mg/kg of selenium cannot meet the requirement of antibody oxidation; the mechanism of selenium against oxidative stress may be associated with affecting the secretion of triiodothyronine (T3), thyroxine (T4), regulating the production of cytokines interleukin-1B and interleukin-6, and NF-kB activity. The selenium source and the selenium level have adjusting effect on the growth performance and the immune function of the broilers, so that the selenium source and the selenium level for obtaining the optimal immune protection effect of the broilers are determined, and researches show that the feed meat ratio of the yeast selenium group is 4.17 percent lower than that of the sodium selenite group. After the selenium yeast is added, the selenium content in the feed is 0.36mg/kg-0.48 mg/kg.
3) The bacillus subtilis in the raw material formula not only promotes the health of organisms and improves the digestibility of the feed by improving the micro-ecological balance of intestinal tracts, but also can reduce the contents of harmful substances such as ammonia gas, hydrogen sulfide, organic phosphorus and the like in the culture environment and excrement, reduce the pollution of animal husbandry to the environment, protect the ecological environment and have obvious economic and social benefits. The diarrhea of the broiler chickens is comprehensively solved by adding bacillus subtilis and the like, the weight of the broiler chickens at the age of 28 days is improved by 9 g, and the feed-meat ratio at the age of 28 days is reduced by 0.03.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments in order to make the present invention better understood by those skilled in the art.
Example 1
A compound feed for reducing the feed conversion ratio of broiler chickens comprises the following raw materials in parts by weight: corn: 35 parts, 28 parts of soybean meal, 22 parts of brown rice, 6.5 parts of rice bran oil, 2.5 parts of sunflower kernel meal, 1 part of hydrolyzed feather meal, 0.8 part of calcium hydrophosphate, 1.2 parts of stone powder, 0.3 part of sodium chloride, 1 part of compound amino acid, 0.2 part of sodium humate, 0.015 part of bacillus subtilis, 0.02 part of mannase, 0.015 part of yeast selenium, 0.025 part of compound vitamin and 0.1 part of compound trace element.
The amount ratio of active enzyme to mannanase in the mannanase is 3.6 × 108Activity units/kg.
The compound trace elements comprise the following components in gram per kilogram: 450g/kg of iron, 25g/kg of copper, 110g/kg of zinc, 120g/kg of manganese, 8g/kg of iodine and 750g/kg of calcium.
The compound vitamin comprises the following components by weight per kilogram of the compound vitamin: vitamin A: 500000KIU/kg, vitamin D3: 15000KIU/kg, vitamin E: 80KIU/kg, vitamin K3: 15g/kg, vitamin B1: 15g/kg, vitamin B2：32g/kg，B6: 15g/kg, vitamin B12: 100mg/kg, folic acid: 5g/kg, biotin: 400mg/kg, niacin: 200g/kg, calcium pantothenate: 50 g/kg.
The compound amino acid comprises the following components in percentage by mass: 62% of L-lysine sulfate, 25% of DL-methionine and 13% of L-threonine.
The selenium content is 2400mg/kg based on the weight of the selenium in the yeast;
the number of the live bacteria in the bacillus subtilis is 1 multiplied by 10 according to the number of the live bacteria in each gram of the bacillus subtilis6CFU/g。
The preparation method comprises the following steps:
s1, according to the formula, corn, brown rice, bean pulp, high-protein bean pulp and sunflower kernel pulp are crushed by a crusher, the aperture of a sieve plate of the crusher is 7.0mm, and then the materials are mixed with other raw materials;
and S2, mixing the mixed materials after the ingredients through a double-shaft paddle type mixer for 120 seconds, and then packaging to obtain the compound feed for reducing the feed conversion ratio of the broiler chickens.
Example 2
A compound feed for reducing the feed conversion ratio of broiler chickens comprises the following raw materials in parts by weight: corn: 38 parts, 30 parts of bean pulp, 20 parts of brown rice, 7 parts of rice bran oil, 1.4 parts of sunflower kernel meal, 1 part of hydrolyzed feather meal, 1.0 part of calcium hydrophosphate, 0.8 part of stone powder, 0.35 part of sodium chloride, 1.2 parts of compound amino acid, 0.2 part of sodium humate, 0.016 part of bacillus subtilis, 0.015 part of mannase, 0.02 part of yeast selenium, 0.03 part of compound vitamin and 0.1 part of compound trace element.
The mannase has an active enzyme content of 3.6 × 108Activity units/kg.
The trace composite element comprises the following components in gram per kilogram of the composite trace element: 450g/kg of iron, 25g/kg of copper, 110g/kg of zinc, 120g/kg of manganese, 8g/kg of iodine and 750g/kg of calcium.
The compound vitamin comprises the following components by weight per kilogram of the compound vitamin: vitamin A: 500000KIU/kg, vitamin D3: 15000KIU/kg, vitamin E: 80KIU/kg, vitamin K3: 15g/kg, vitamin B1: 15g/kg, vitamin B2：32g/kg，B6: 15g/kg, vitamin B12: 100mg/kg, folic acid: 5g/kg, biotin: 400mg/kg, niacin: 200g/kg, calcium pantothenate: 50 g/kg.
The compound amino acid comprises the following components in percentage by mass: 62% of L-lysine sulfate, 25% of DL-methionine and 13% of L-threonine.
The selenium content in the selenium yeast is 2400mg/kg according to the weight of selenium yeast;
the viable count of the bacillus subtilis is 1 multiplied by 10 according to per gram of the bacillus subtilis6CFU/g。
The preparation method comprises the following steps:
s1, according to the formula, corn, brown rice, bean pulp, high-protein bean pulp and sunflower kernel pulp are crushed by a crusher, the aperture of a sieve plate of the crusher is 7.0mm, and then the materials are mixed with other raw materials;
and S2, mixing the mixed materials after the ingredients through a double-shaft paddle type mixer for 120 seconds, and then packaging to obtain the compound feed for reducing the feed conversion ratio of the broiler chickens.
Example 3
A compound feed for reducing the feed conversion ratio of broiler chickens comprises the following raw materials in parts by weight: corn: 45 parts, 29 parts of soybean meal, 18 parts of brown rice, 8 parts of rice bran oil, 2.5 parts of sunflower kernel meal, 1.5 parts of hydrolyzed feather meal, 1.5 parts of calcium hydrophosphate, 0.7 part of stone powder, 0.28 part of sodium chloride, 1.45 parts of compound amino acid, 0.2 part of sodium humate, 0.02 part of bacillus subtilis, 0.02 part of mannase, 0.018 part of yeast selenium, 0.03 part of compound vitamin and 0.1 part of compound trace element.
The mannase has an active enzyme content of 3.6 × 108Activity units/kg.
The compound trace elements comprise the following components in gram per kilogram: 450g/kg of iron, 25g/kg of copper, 110g/kg of zinc, 120g/kg of manganese, 8g/kg of iodine and 750g/kg of calcium.
The compound vitamin comprises the following components by weight per kilogram of the compound vitamin: vitamin A: 500000KIU/kg, vitamin D3: 15000KIU/kg, vitamin E: 80KIU/kg, vitamin K3: 15g/kg, vitamin B1: 15g/kg, vitamin B2：32g/kg，B6: 15g/kg, vitamin B12: 100mg/kg, folic acid: 5g/kg, biotin: 400mg/kg, niacin: 200g/kg, calcium pantothenate: 50 g/kg.
The compound amino acid comprises the following components in percentage by mass: 62% of L-lysine sulfate, 25% of DL-methionine and 13% of L-threonine.
The selenium content in the selenium yeast is 2400mg/kg according to the weight of selenium yeast.
The number of viable bacteria of the bacillus subtilis is 1 multiplied by 10 according to each gram of the bacillus subtilis6CFU/g。
The preparation method comprises the following steps:
s1, according to the formula, corn, brown rice, bean pulp, high-protein bean pulp and sunflower kernel pulp are crushed by a crusher, the aperture of a sieve plate of the crusher is 7.0mm, and then the materials are mixed with other raw materials;
and S2, mixing the mixed materials after the ingredients through a double-shaft paddle type mixer for 120 seconds, and then packaging to obtain the compound feed for reducing the feed conversion ratio of the broiler chickens.
Example 4
A compound feed for reducing the feed conversion ratio of broiler chickens comprises the following raw materials in parts by weight: corn: 43 parts, 29.5 parts of soybean meal, 19 parts of brown rice, 7.2 parts of rice bran oil, 1.5 parts of sunflower kernel meal, 1.5 parts of hydrolyzed feather meal, 1.2 parts of calcium hydrophosphate, 0.8 part of stone powder, 0.3 part of sodium chloride, 1.3 parts of compound amino acid, 0.2 part of sodium humate, 0.18 part of bacillus subtilis, 0.15 part of mannase, 0.015 part of yeast selenium, 0.03 part of compound vitamin and 0.1 part of compound trace element.
The mannase has an active enzyme content of 3.6 × 108Activity units/kg.
The compound trace elements comprise the following components in gram per kilogram: 450g/kg of iron, 25g/kg of copper, 110g/kg of zinc, 120g/kg of manganese, 8g/kg of iodine, 0.5g/kg of selenium and 750g/kg of calcium.
The compound vitamin comprises the following components by weight per kilogram of the compound vitamin: vitamin A: 500000KIU/kg, vitamin D3: 15000KIU/kg, vitamin E: 80KIU/kg, vitamin K3: 15g/kg, vitamin B1: 15g/kg, vitamin B2：32g/kg，B6: 15g/kg, vitamin B12: 100mg/kg, folic acid: 5g/kg, biotin: 400mg/kg, niacin: 200g/kg, calcium pantothenate: 50 g/kg.
The compound amino acid comprises the following components in percentage by mass: 62% of L-lysine sulfate, 25% of DL-methionine and 13% of L-threonine.
The selenium yeast is 2400mg/kg of selenium content by weight in each kilogram of selenium yeast; the number of viable bacteria of the bacillus subtilis is 1 multiplied by 10 according to each gram of the bacillus subtilis6CFU/g。
The preparation method comprises the following steps:
s1, according to the formula, corn, brown rice, bean pulp, high-protein bean pulp and sunflower kernel pulp are crushed by a crusher, the aperture of a sieve plate of the crusher is 7.0mm, and then the materials are mixed with other raw materials;
and S2, mixing the mixed materials after the ingredients through a double-shaft paddle type mixer for 120 seconds, and then packaging to obtain the compound feed for reducing the feed conversion ratio of the broiler chickens.
Comparative example 1
The compound feed for the broiler chickens in the control group comprises the following raw materials in parts by weight: corn: 44 parts, 29 parts of bean pulp, 20 parts of brown rice, 7.0 parts of rice bran oil, 2 parts of sunflower seed meal, 1.0 part of hydrolyzed feather meal, 1.5 parts of calcium hydrophosphate, 0.9 part of stone powder, 0.35 part of sodium chloride, 1.5 parts of compound amino acid, 0.2 part of sodium humate, 0.03 part of compound vitamin and 0.1 part of compound trace element.
The trace elements comprise the following components in grams per kilogram: 450g/kg of iron, 25g/kg of copper, 110g/kg of zinc, 120g/kg of manganese, 8g/kg of iodine, 0.5g/kg of selenium and 750g/kg of calcium.
The compound vitamin comprises the following components by weight per kilogram of the compound vitamin: vitamin A: 500000KIU/kg, vitamin D3: 15000KIU/kg, vitamin E: 80KIU/kg, vitamin K3: 15g/kg, vitamin B1: 15g/kg, vitamin B2：32g/kg，B6: 15g/kg, vitamin B12: 100mg/kg, folic acid: 5g/kg, biotin: 400mg/kg, niacin: 200g/kg, calcium pantothenate: 50 g/kg.
The compound amino acid comprises the following components in percentage by mass: 62% of L-lysine sulfate, 25% of DL-methionine and 13% of L-threonine.
The preparation method comprises the following steps:
s1, according to the formula, corn, brown rice, bean pulp, high-protein bean pulp and sunflower kernel pulp are crushed by a crusher, the aperture of a sieve plate of the crusher is 7.0mm, and then the materials are mixed with other raw materials;
and S2, mixing the mixed materials after the ingredients through a double-shaft paddle type mixer for 120 seconds, and then packaging to obtain the compound feed for reducing the feed conversion ratio of the broiler chickens.
Effect test
The effect comparison and verification are carried out on the compound feed for reducing the feed-meat ratio of the broilers prepared in the examples 1-4 and the broiler compound feed of the control group in the control example 1:
1. test materials and methods
1.1 test time and place: from 5/2021 to 19/2021 in the Douly Showa broiler farm in Fuyun City of Jilin province.
1.2 test daily ration
Experimental design the control and experimental groups were 5 groups in total, one group being the control group of control example 1 and 4 groups of examples (examples 1-4), each group having 1200 broilers, and were repeated 4 times. The example group ration is a product of the present invention.
2 results and analysis
Table 1 shows the results of the test after using the feeds of the control group and the 4 example groups for broilers 15-21 days old.
Table 1: test results of 15-21 day old broiler chickens
Control group Example 1 Example 2 Example 3 Example 4
Body weight (g) 971.3±15.82 989.0±16.72 993.4±17.23 990.5±14.28 997.6±14.28
Daily gain (g) 65.5±3.19 66.5±2.33 66.8±4.33 65.7±4.83 67.2±5.25
Daily food intake (g) 85.3±3.20 87.2±3.80 88.1±2.85 86.11±2.45 89.3±1.89
Feed conversion ratio (g/g) 1.15±0.0043 1.14±0.0053 1.13±0.0033 1.14±0.0062 1.12±0.0032
Mortality (%) 0.75±4.20 0.73±3.20 0.72±3.80 0.74±2.50 0.71±2.20
Table 2 shows the results of the test after using the feeds of the control group and the 4 example groups for broilers with the age of 22-28 days.
Table 2: test results of 22-28 day old broiler chickens
Control group Example 1 Example 2 Example 3 Example 4
Body weight (g) 1723±16.78 1750.5±14.37 1753.6±13.27 1747±17.45 1758.6±12.17
Daily gain (g) 83±4.35 85.3±3.95 86.6±2.33 84±4.65 87.3±2.55
Daily food intake (g) 130±3.78 135±4.28 136.3±3.99 134±5.60 137.5±7.13
Feed conversion ratio (g/g) 1.25±0.0052 1.215±0.0037 1.21±0.0066 1.23±0.0061 1.20±0.0035
Mortality (%) 0.95±3.2 0.75±2.7 0.73±1.78 0.90±2.3 0.72±2.41
The results show that: the average body weight of the 15-21-day-old broiler example group is improved by 2.19 percent compared with that of the control group, the daily gain is improved by 1.6 percent compared with that of the control group, the daily feed intake is improved by 2.78 percent compared with that of the control group, the feed conversion ratio is reduced by 0.02 percent compared with that of the control group, and the death rate is reduced by 3.30 percent compared with that of the control group.
The average body weight of the 22-28-day-old broiler example group is improved by 1.70 percent compared with the control group, the daily gain is improved by 3.37 percent compared with the control group, the daily feed intake is improved by 4.38 percent compared with the control group on average, the feed conversion ratio is reduced by 0.036 percent compared with the control group, and the death rate is reduced by 18.42 percent compared with the control group.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (9)

1. The compound feed for reducing the feed conversion ratio of the broiler chickens is characterized by comprising the following raw materials in parts by weight: corn: 30-45 parts of soybean meal, 25-30 parts of brown rice, 18-22 parts of brown rice, 5-8 parts of rice bran oil, 1-2.5 parts of sunflower kernel meal, 1-1.5 parts of hydrolyzed feather meal, 0.7-1.5 parts of calcium hydrophosphate, 0.5-1.2 parts of stone powder, 0.2-0.5 part of sodium chloride, 0.7-2 parts of compound amino acid, 0.1-0.2 part of sodium humate, 0.01-0.02 part of bacillus subtilis, 0.01-0.02 part of mannase, 0.015-0.02 part of yeast selenium, 0.025-0.03 part of compound vitamin and 0.1 part of compound trace element;
the soybean meal is obtained by extracting soybean oil from soybeans, and the protein content of the soybean meal is more than 42.5%.
2. The compound feed for reducing the feed conversion ratio of broiler chickens of claim 1, wherein the content of active enzyme in mannanase is 3.6 x 10 per kg of mannanase8Activity units/kg.
3. The compound feed for reducing the feed conversion ratio of broiler chickens according to claim 1, characterized in that the compound trace elements comprise the following components in grams per kilogram: 450g/kg of iron, 25g/kg of copper, 110g/kg of zinc, 120g/kg of manganese, 8g/kg of iodine and 750g/kg of calcium.
4. The compound feed for reducing the feed conversion ratio of broiler chickens according to claim 1, characterized in that, by weight per kilogram of the compound vitamin, the compound vitamin comprises the following components: vitamin A: 500000KIU/kg, vitamin D3: 15000KIU/kg, vitamin E: 80KIU/kg, vitamin K3: 15g/kg, vitamin B1: 15g/kg, vitamin B2：32g/kg，B6: 15g/kg, vitamin B12: 100mg/kg, folic acid:5g/kg, biotin: 400mg/kg, niacin: 200g/kg, calcium pantothenate: 50 g/kg.
5. The compound feed for reducing the feed conversion ratio of broiler chickens according to claim 1, is characterized in that the compound amino acid comprises the following components in percentage by mass: 62% of L-lysine sulfate, 25% of DL-methionine and 13% of L-threonine.
6. The compound feed for reducing the feed conversion ratio of broiler chickens according to claim 1,
the selenium content of the selenium yeast is 2400mg/kg based on each kilogram of the selenium yeast.
7. The compound feed for reducing the feed conversion ratio of broiler chickens according to claim 1,
the content of viable bacteria in the bacillus subtilis is 1 multiplied by 10 according to the gram of the bacillus subtilis6CFU/g。
8. The preparation method of the compound feed for reducing the feed conversion ratio of the broiler chickens of any one of claims 1-7, characterized by comprising the following steps:
s1, according to the formula, the corn, the brown rice, the bean pulp and the sunflower kernel pulp are crushed by a crusher, the aperture of a sieve plate of the crusher is 7.0mm, and then the materials are mixed with other raw materials;
and S2, mixing the mixed materials after the ingredients through a double-shaft paddle type mixer for 120 seconds, and then packaging to obtain the compound feed for reducing the feed conversion ratio of the broiler chickens.
9. The use of the compound feed for reducing the feed conversion ratio of broiler chickens of any one of claims 1-7 in reducing the feed conversion ratio of broiler chickens.
CN202110821191.8A 2021-07-20 2021-07-20 Compound feed for reducing feed conversion ratio of broiler chickens and preparation method and application thereof Pending CN113475640A (en)

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