CN112273558A - Low-protein and amino acid-balanced biological feed and preparation method thereof - Google Patents
Low-protein and amino acid-balanced biological feed and preparation method thereof Download PDFInfo
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- CN112273558A CN112273558A CN201910675306.XA CN201910675306A CN112273558A CN 112273558 A CN112273558 A CN 112273558A CN 201910675306 A CN201910675306 A CN 201910675306A CN 112273558 A CN112273558 A CN 112273558A
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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
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- 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
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- 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
Abstract
The invention relates to a biological feed with low protein and balanced amino acid and a preparation method thereof, wherein each kilogram of the feed contains 13-15% of crude protein, 1-3 g of DL-methionine, 1-2.5 g of L-threonine, 0.2-3 g of lysine hydrochloride, 0.3-1.3 g of isoleucine, 0.3-1.3 g of L-valine, 3-4g of corn, 0.1-0.3g of soybean meal, 0.1-0.2g of bran, 0-0.15g of soybean oil, 0.4-0.8g of stone powder, 0.5-1.5g of calcium hydrophosphate, 0.3-0.6g of salt, 0.6g of premix, 1g of composite microecological preparation, 0.2-0.6g of L-lysine, 0.05-0.12g of DL-methionine, 0.03-0.08g of L-threonine, 0.08-0.13g of L-threonine and 0.1-0.2g of zeolite powder; wherein the composite microecological preparation comprises butyric acid bacteria, lactobacillus fermentum and bacillus subtilis, and the weight content ratio of the butyric acid bacteria, the lactobacillus fermentum and the bacillus subtilis is (0.5-5) × 200: 0.2-3: 3-20, and the rest nutrient water level is according to the recommended level of NY/T33-2004 chicken feeding standard.
Description
Technical Field
The invention relates to the field of biological feed, in particular to a low-protein and amino acid-balanced biological feed and a preparation method thereof.
Background
With the continuous expansion of the scale of the breeding industry in China, a plurality of problems caused by the breeding industry are increasingly serious, wherein the problem of environmental pollution is the most serious, and particularly, the pollution of a nitrogen source is the most serious. Due to the large scale of the breeding industry, the amount of the produced animal excrement, especially the discharge amount of a nitrogen source, is huge, about 15 percent of the total nitrogen taken by the fattening chicken in the growing period is discharged in the form of manure nitrogen, about 50 percent of the total nitrogen taken by the fattening chicken in the growing period is discharged in the form of urine nitrogen, and nearly 52 percent of the nitrogen in the manure is discharged into the atmosphere in the form of odor, and 48 percent of the nitrogen enters the soil, so the pollution to the environment is very serious. Meanwhile, the method can also be seen that about 65 percent of undigested and absorbed nitrogen nutrients are discharged by fattening chickens every day through excrement and urine, about 35 percent of the nitrogen nutrients are only digested and absorbed, the utilization rate of the feed is low, and the daily growth of the chickens is not facilitated; if the absorption of nitrogen nutrients by chickens is improved to promote the growth of the chickens, the absorption of the nitrogen nutrients can be improved only by increasing the total daily intake of nitrogen by the chickens by a general means, but also the discharge amount of nitrogen source pollutants is increased sharply due to low feed utilization rate, and the pollution of the nitrogen source becomes more serious. Therefore, improving the utilization rate of the nitrogen source in the feed and reducing the emission of nitrogen source nutrients are important for reducing nitrogen source pollution.
How to increase the availability of nitrogen sources in the feed and reduce the emission of nitrogen sources? The existing research shows that the total nitrogen excretion can be reduced by about 8-10% by reducing the feed protein level by 1 percent on average, the feed protein level can be reduced by 3 percent at most under the condition of ensuring that the growth performance of the chicken is not influenced, but the growth performance of the chicken is obviously reduced when the feed protein level is reduced by 4 percent, and the feed with low protein level can not meet the requirement of the chicken on nutrition. For example, the feed disclosed in the Chinese patent document CN102669468A is a low-protein ration for three-element hybrid growing chickens, the ration formula comprises 66-88 parts of corn, 4-4.6 parts of wheat bran, 15.4-24 parts of soybean meal, 0.88-0.92 part of stone powder, 0.89-0.92 part of calcium hydrophosphate, 0.4 part of salt, 0.168-0.44 part of L-lysine hydrochloride, 0.040-0.081 part of DL-methionine, 0-0.12 part of L-threonine, 0-0.03 part of L-tryptophan, 0.208-0.582 part of zeolite powder and 1.00 part of premix, the feed protein level of the ration formula can be reduced to 3 percentage points, the feed disclosed in the document reduces the content of crude protein and correspondingly adds lacking synthetic amino acid to achieve the purposes of reducing the feed protein level, further improving the utilization rate in the feed and reducing the emission of nitrogen source, and simultaneously meets the requirement of the daily growth performance of the chicken. However, the reduction range of 3 percentage points cannot completely meet and relieve the nitrogen source pollution caused by a large amount of nitrogen source excrement generated by the existing huge breeding industry, the utilization rate of the nitrogen source is low, and the emission of the nitrogen source is still large; however, according to the document, the growth performance of the chicken cannot be satisfied after the daily ration crude protein is reduced to 4 percent.
In addition, the price of feed raw materials in China is continuously increased, particularly the dependence degree of protein feed import is increased more and more, and the environmental nitrogen pollution caused by livestock breeding is serious day by day, so that the use of low-protein feed in production has important practical significance. However, the feed crude protein level is too low, and even supplementation with synthetic amino acids can adversely affect animal productivity. The production practice has begun to implement the formulation of diets based on digestible amino acids and ideal protein patterns, replacing the conventional techniques based on crude protein by new techniques and the addition of crystalline amino acids. The red feather broiler is a local breed chicken and a breeding strain and a matching line containing the bloody margin of the local breed chicken, is deeply favored by consumers due to delicious meat taste, tender, smooth and soft meat quality, proper fat among muscles and attractive taste, and has the market share in China, particularly in south China, which is basically equal to that of the white feather broiler. However, no report is found in the current feed research on the low protein amino acid balance of the red feather hen. Therefore, in order to save protein feed and control nitrogen pollution, research on the preparation of low-protein amino acid balanced feed for red-feather broiler breeders is a technical problem to be solved urgently in the red-feather broiler industry.
Disclosure of Invention
The invention aims to solve the technical problem that the animal feed in the prior art cannot meet the requirements of chicken on growth performance and low protein content at the same time, so that the feed which achieves high utilization rate of a nitrogen source of the animal feed, reduces the emission of the nitrogen source and can improve the animal reproductive performance by reasonably matching a feed formula, balancing amino acids in the feed and adding beneficial bacteria into the feed is provided.
One of the objectives of the present invention is to provide a biological feed with low protein and balanced amino acids.
The technical scheme for realizing one purpose of the invention is as follows: the biological feed with low protein and balanced amino acid comprises 13-15% of crude protein per kilogram of the feed, 1-3 g of DL-methionine, 1-2.5 g of L-threonine, 0.2-3 g of lysine hydrochloride, 0.3-1.3 g of isoleucine, 0.3-1.3 g of L-valine, 3-4g of corn, 0.1-0.3g of soybean meal, 0.1-0.2g of bran, 0-0.15g of soybean oil, 0.4-0.8g of stone powder, 0.5-1.5g of calcium hydrophosphate, 0.3-0.6g of salt, 0.6g of premix, 1g of composite microecological preparation, 0.2-0.6g of L-lysine, 0.05-0.12g of DL-methionine, 0.03-0.08g of L-tryptophan, 0.08-0.13g of L-threonine and 0.1-0.2g of zeolite powder;
wherein the composite microecological preparation comprises butyric acid bacteria, lactobacillus fermentum and bacillus subtilis, and the weight content ratio of the butyric acid bacteria, the lactobacillus fermentum and the bacillus subtilis is (0.5-5) × 200: 0.2-3: 3-20, and the rest nutrient water level is according to the recommended level of NY/T33-2004 chicken feeding standard.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the feed comprises the following components in parts by weight:
10-20 parts of crude protein, 1-3 parts of DL-methionine, 1-2.5 parts of L-threonine, 0.2-3 parts of lysine hydrochloride, 0.3-1.3 parts of isoleucine, 0.3-1.3 parts of L-valine, 25-40 parts of corn, 15.5-18 parts of soybean meal, 2.8-4.8 parts of bran, 1-8 parts of soybean oil, 0.55-3.55 parts of stone powder, 1-3 parts of calcium hydrophosphate, 0.2-0.6 part of salt, 0.4-0.8 part of premix, 0.5-0.8 part of composite microecological preparation, 0.15-0.30 part of L-lysine, 0.04-0.10 part of DL-methionine, 0.04 part of L-tryptophan, 0.1-0.2 part of L-threonine and 0.2-0.3 part of zeolite powder.
Further, the feed comprises the following components in parts by weight:
15 parts of crude protein, 2 parts of DL-methionine, 1.5 parts of L-threonine, 1.5 parts of lysine hydrochloride, 0.6 part of isoleucine, 0.7 part of L-valine, 32 parts of corn, 17 parts of soybean meal, 3.2 parts of bran, 5 parts of soybean oil, 2.5 parts of stone powder, 2 parts of calcium hydrophosphate, 0.4 part of salt, 0.6 part of premix, 0.65 part of composite microecological preparation, 0.27 part of L-lysine, 0.05 part of DL-methionine, 0.04 part of L-tryptophan and 0.15 part of L-threonine.
Further, the feed also contains one or more of glycine, glutamine and taurine.
Further, 0.005-0.03 part by weight of glycine, 0.005-0.03 part by weight of glutamine, and 0.005-0.03 part by weight of taurine.
Further, the glycine was 0.025 parts by weight, the glutamine was 0.015 parts by weight, and the taurine was 0.006 parts by weight.
Further, the feed comprises the following components in parts by weight:
the content of the crude protein is 13-15%, and the raw materials comprise 1 part of DL-methionine, 1.5 parts of L-threonine, 1.2 parts of lysine hydrochloride, 0.7 part of isoleucine, 0.6 part of L-valine, 75.58 parts of corn, 15.5 parts of soybean meal, 3.8 parts of bran, 1 part of soybean oil, 0.55 part of stone powder, 1 part of calcium hydrophosphate, 0.4 part of salt, 0.6 part of premix, 1 part of composite microecological preparation, 0.35 part of L-lysine, 0.08 part of DL-methionine, 0.04 part of L-tryptophan, 0.1 part of L-threonine and 0.15 part of zeolite powder.
The invention also aims to provide a preparation method of the biological feed with low protein and balanced amino acid.
The second technical scheme for realizing the purpose of the invention is as follows: a process for preparing a low protein biological feed as claimed in any one of claims 1 to 7, comprising the step of mixing selected parts by weight of said feed material.
The invention has the beneficial effects that: compared with the prior art, the invention has the following advantages and effects:
(1) the low-protein biological feed contains components in a specific range in parts by weight, wherein the components contain amino acid and a composite microecological preparation in the specific range in parts by weight, the content of the amino acid in the feed is balanced by reasonable specific collocation of the components, and the level of the feed protein is reduced by more than 4%; meanwhile, as the beneficial bacteria are added into the feed, the problems of low utilization rate of the nitrogen source and large discharge amount of the nitrogen source of the animal feed in the prior art are effectively avoided, the invention greatly reduces the discharge amount of the nitrogen source, improves the utilization rate of the nitrogen source, achieves the aims of reducing 30 percent of the feces of the chickens, reducing 17 percent of the urine concentration, reducing 28 percent of the urine output, reducing 41 percent of the total nitrogen in the urine, reducing 59 percent of the amine concentration in the henhouse, slowing down the release concentration by 47 percent, the feed protein level is reduced by more than 4 percent, the growth performance of the chicken can be obviously improved, the daily gain of the chicken is fast, the chicken can reach 220 jin after being born and slaughtered for 5 months, the feed-meat ratio is low, the chicken has good quality, the meat yield is as high as 80 percent, the lean meat percentage is as high as 65 percent (calculated by 200 jin), and the beneficial effects that the cost of the feed is greatly reduced due to the reduction of high-cost protein raw materials are also obtained;
(2) the low-protein biological feed also contains one or more of glycine, glutamine and taurine. By adding the components into the feed, the feed has the function of nutrition enhancement, the utilization rate of nitrogen source nutrients in the feed is further improved, the digestion and absorption of the nitrogen source in the feed by chickens are improved, and the emission of nitrogen source excrement is reduced. The feed for the red feather breeding hens with the balanced low-protein amino acid reduces the content of crude protein in the feed in the laying period, and the amino acid monomer is added to keep the balance of the amino acid in the feed. After the feed is fed, the production performance, egg laying performance, egg quality, hatching performance and growth performance of offspring chickens of the red feather broiler hens are not negatively affected.
(3) The low-protein biological feed provided by the invention is more suitable for 20-50kg growing chickens, the feed not only greatly reduces the emission of a nitrogen source, has high utilization rate of the nitrogen source, improves the growth performance of the nitrogen source, but also is beneficial to the health of the growing chickens, improves the immunity rate of the chickens, has low morbidity, reduces the residue of intestinal nutrients after the growing chickens, inhibits the propagation of escherichia coli, inhibits the adhesion of the escherichia coli to intestinal tracts, effectively controls the diarrhea of the growing chickens, and can also improve the number of beneficial bacteria such as lactobacillus, bifidobacterium, anaerobic bacteria, aerobic bacteria and the like in most parts of chyme in the digestive tracts of the growing chickens; (4) the low-protein biological feed provided by the invention is more suitable for 50-100kg fattening chickens, the feed not only greatly reduces the emission of a nitrogen source, has high utilization rate of the nitrogen source, improves the growth performance of the nitrogen source, but also is beneficial to the growth of the fattening chickens, improves the immunity rate of the chickens, has low morbidity of the fattening chickens, reduces the residue of intestinal nutrients after the fattening chickens, inhibits the reproduction of escherichia coli, inhibits the adhesion of the escherichia coli to intestinal tracts, effectively controls the diarrhea of the fattening chickens, and can also improve the number of beneficial bacteria such as lactobacillus, bifidobacterium, anaerobic bacteria, aerobic bacteria and the like in most parts of chyme in a digestive tract;
(5) the weight content ratio of the butyric acid bacteria, the lactobacillus fermentum and the bacillus subtilis in the composite micro-ecological preparation is 0.5-5 x 103: 0.2-3: 0.3-4 x 10, the immunity of the organism is improved, the adhesion of escherichia coli to the intestinal tract is more effectively inhibited, and the number of beneficial bacteria such as lactobacillus, bifidobacterium, anaerobic bacteria, aerobic bacteria and the like in most parts of chyme in the digestive tract is obviously improved.
The foregoing is a summary of the present invention, and in order to provide a clear understanding of the technical means of the present invention and to be implemented in accordance with the present specification, the following is a detailed description of the preferred embodiments of the present invention. Specific embodiments of the present invention are given in detail by the following examples.
Detailed Description
The present invention is more specifically described in the following paragraphs with reference to examples. Advantages and features of the present invention will become apparent from the following description and from the claims. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention provides a biological feed with low protein and balanced amino acid, wherein each kilogram of the feed contains 13-15% of crude protein, 1-3 g of DL-methionine, 1-2.5 g of L-threonine, 0.2-3 g of lysine hydrochloride, 0.3-1.3 g of isoleucine, 0.3-1.3 g of L-valine, 3-4g of corn, 0.1-0.3g of bean pulp, 0.1-0.2g of bran, 0-0.15g of soybean oil, 0.4-0.8g of stone powder, 0.5-1.5g of calcium hydrophosphate, 0.3-0.6g of salt, 0.6g of premix, 1g of composite microecological preparation, 0.2-0.6g of L-lysine, 0.05-0.12g of DL-methionine, 0.03-0.08g of L-0.08-0.13 g of L-threonine and 0.1-0.2g of zeolite powder;
wherein the composite microecological preparation comprises butyric acid bacteria, lactobacillus fermentum and bacillus subtilis, and the weight content ratio of the butyric acid bacteria, the lactobacillus fermentum and the bacillus subtilis is (0.5-5) × 200: 0.2-3: 3-20, and the rest nutrient water level is according to the recommended level of NY/T33-2004 chicken feeding standard.
Further, the feed comprises the following components in parts by weight:
10-20 parts of crude protein, 1-3 parts of DL-methionine, 1-2.5 parts of L-threonine, 0.2-3 parts of lysine hydrochloride, 0.3-1.3 parts of isoleucine, 0.3-1.3 parts of L-valine, 25-40 parts of corn, 15.5-18 parts of soybean meal, 2.8-4.8 parts of bran, 1-8 parts of soybean oil, 0.55-3.55 parts of stone powder, 1-3 parts of calcium hydrophosphate, 0.2-0.6 part of salt, 0.4-0.8 part of premix, 0.5-0.8 part of composite microecological preparation, 0.15-0.30 part of L-lysine, 0.04-0.10 part of DL-methionine, 0.04 part of L-tryptophan, 0.1-0.2 part of L-threonine and 0.2-0.3 part of zeolite powder.
Further, the feed comprises the following components in parts by weight:
15 parts of crude protein, 2 parts of DL-methionine, 1.5 parts of L-threonine, 1.5 parts of lysine hydrochloride, 0.6 part of isoleucine, 0.7 part of L-valine, 32 parts of corn, 17 parts of soybean meal, 3.2 parts of bran, 5 parts of soybean oil, 2.5 parts of stone powder, 2 parts of calcium hydrophosphate, 0.4 part of salt, 0.6 part of premix, 0.65 part of composite microecological preparation, 0.27 part of L-lysine, 0.05 part of DL-methionine, 0.04 part of L-tryptophan and 0.15 part of L-threonine.
Further, the feed also contains one or more of glycine, glutamine and taurine.
Further, 0.005-0.03 part by weight of glycine, 0.005-0.03 part by weight of glutamine, and 0.005-0.03 part by weight of taurine.
Further, the glycine was 0.025 parts by weight, the glutamine was 0.015 parts by weight, and the taurine was 0.006 parts by weight.
Further, the feed comprises the following components in parts by weight:
the content of the crude protein is 13-15%, and the raw materials comprise 1 part of DL-methionine, 1.5 parts of L-threonine, 1.2 parts of lysine hydrochloride, 0.7 part of isoleucine, 0.6 part of L-valine, 75.58 parts of corn, 15.5 parts of soybean meal, 3.8 parts of bran, 1 part of soybean oil, 0.55 part of stone powder, 1 part of calcium hydrophosphate, 0.4 part of salt, 0.6 part of premix, 1 part of composite microecological preparation, 0.35 part of L-lysine, 0.08 part of DL-methionine, 0.04 part of L-tryptophan, 0.1 part of L-threonine and 0.15 part of zeolite powder.
The invention also provides a preparation method of the biological feed with low protein and balanced amino acid, which comprises the step of mixing the feed raw materials according to the selected weight parts.
Compared with the prior art, the invention has the following advantages and effects:
(1) the low-protein biological feed contains components in a specific range in parts by weight, wherein the components contain amino acid and a composite microecological preparation in the specific range in parts by weight, the content of the amino acid in the feed is balanced by reasonable specific collocation of the components, and the level of the feed protein is reduced by more than 4%; meanwhile, as the beneficial bacteria are added into the feed, the problems of low utilization rate of the nitrogen source and large discharge amount of the nitrogen source of the animal feed in the prior art are effectively avoided, the invention greatly reduces the discharge amount of the nitrogen source, improves the utilization rate of the nitrogen source, achieves the aims of reducing 30 percent of the feces of the chickens, reducing 17 percent of the urine concentration, reducing 28 percent of the urine output, reducing 41 percent of the total nitrogen in the urine, reducing 59 percent of the amine concentration in the henhouse, slowing down the release concentration by 47 percent, the feed protein level is reduced by more than 4 percent, the growth performance of the chicken can be obviously improved, the daily gain of the chicken is fast, the chicken can reach 220 jin after being born and slaughtered for 5 months, the feed-meat ratio is low, the chicken has good quality, the meat yield is as high as 80 percent, the lean meat percentage is as high as 65 percent (calculated by 200 jin), and the beneficial effects that the cost of the feed is greatly reduced due to the reduction of high-cost protein raw materials are also obtained;
(2) the low-protein biological feed also contains one or more of glycine, glutamine and taurine. By adding the components into the feed, the feed has the function of nutrition enhancement, the utilization rate of nitrogen source nutrients in the feed is further improved, the digestion and absorption of the nitrogen source in the feed by chickens are improved, and the emission of nitrogen source excrement is reduced. The feed for the red feather breeding hens with the balanced low-protein amino acid reduces the content of crude protein in the feed in the laying period, and the amino acid monomer is added to keep the balance of the amino acid in the feed. After the feed is fed, the production performance, egg laying performance, egg quality, hatching performance and growth performance of offspring chickens of the red feather broiler hens are not negatively affected.
(3) The low-protein biological feed provided by the invention is more suitable for 20-50kg growing chickens, the feed not only greatly reduces the emission of a nitrogen source, has high utilization rate of the nitrogen source, improves the growth performance of the nitrogen source, but also is beneficial to the health of the growing chickens, improves the immunity rate of the chickens, has low morbidity, reduces the residue of intestinal nutrients after the growing chickens, inhibits the propagation of escherichia coli, inhibits the adhesion of the escherichia coli to intestinal tracts, effectively controls the diarrhea of the growing chickens, and can also improve the number of beneficial bacteria such as lactobacillus, bifidobacterium, anaerobic bacteria, aerobic bacteria and the like in most parts of chyme in the digestive tracts of the growing chickens; (4) the low-protein biological feed provided by the invention is more suitable for 50-100kg fattening chickens, the feed not only greatly reduces the emission of a nitrogen source, has high utilization rate of the nitrogen source, improves the growth performance of the nitrogen source, but also is beneficial to the growth of the fattening chickens, improves the immunity rate of the chickens, has low morbidity of the fattening chickens, reduces the residue of intestinal nutrients after the fattening chickens, inhibits the reproduction of escherichia coli, inhibits the adhesion of the escherichia coli to intestinal tracts, effectively controls the diarrhea of the fattening chickens, and can also improve the number of beneficial bacteria such as lactobacillus, bifidobacterium, anaerobic bacteria, aerobic bacteria and the like in most parts of chyme in a digestive tract;
(5) the weight content ratio of the butyric acid bacteria, the lactobacillus fermentum and the bacillus subtilis in the composite micro-ecological preparation is 0.5-5 x 103: 0.2-3: 0.3-4 x 10, the immunity of the organism is improved, the adhesion of escherichia coli to the intestinal tract is more effectively inhibited, and the number of beneficial bacteria such as lactobacillus, bifidobacterium, anaerobic bacteria, aerobic bacteria and the like in most parts of chyme in the digestive tract is obviously improved.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those of ordinary skill in the art can readily implement the present invention as described herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (8)
1. The biological feed with low protein and balanced amino acid is characterized in that each kilogram of the feed contains 13-15% of crude protein, 1-3 g of DL-methionine, 1-2.5 g of L-threonine, 0.2-3 g of lysine hydrochloride, 0.3-1.3 g of isoleucine, 0.3-1.3 g of L-valine, 3-4g of corn, 0.1-0.3g of bean pulp, 0.1-0.2g of bran, 0-0.15g of soybean oil, 0.4-0.8g of stone powder, 0.5-1.5g of calcium hydrophosphate, 0.3-0.6g of salt, 0.6g of premix, 1g of composite microecological preparation, 0.2-0.6g of L-lysine, 0.05-0.12g of DL-methionine, 0.03-0.08g of L-0.08-0.13 g of L-threonine and 0.1-0.2g of zeolite powder;
wherein the composite microecological preparation comprises butyric acid bacteria, lactobacillus fermentum and bacillus subtilis, and the weight content ratio of the butyric acid bacteria, the lactobacillus fermentum and the bacillus subtilis is (0.5-5) × 200: 0.2-3: 3-20, and the rest nutrient water level is according to the recommended level of NY/T33-2004 chicken feeding standard.
2. The low protein and amino acid balanced biological feed of claim 1, wherein the feed comprises the following components in parts by weight:
10-20 parts of crude protein, 1-3 parts of DL-methionine, 1-2.5 parts of L-threonine, 0.2-3 parts of lysine hydrochloride, 0.3-1.3 parts of isoleucine, 0.3-1.3 parts of L-valine, 25-40 parts of corn, 15.5-18 parts of soybean meal, 2.8-4.8 parts of bran, 1-8 parts of soybean oil, 0.55-3.55 parts of stone powder, 1-3 parts of calcium hydrophosphate, 0.2-0.6 part of salt, 0.4-0.8 part of premix, 0.5-0.8 part of composite microecological preparation, 0.15-0.30 part of L-lysine, 0.04-0.10 part of DL-methionine, 0.04 part of L-tryptophan, 0.1-0.2 part of L-threonine and 0.2-0.3 part of zeolite powder.
3. The low protein and amino acid balanced biological feed of any of claims 1-2, wherein the feed comprises the following components in parts by weight:
15 parts of crude protein, 2 parts of DL-methionine, 1.5 parts of L-threonine, 1.5 parts of lysine hydrochloride, 0.6 part of isoleucine, 0.7 part of L-valine, 32 parts of corn, 17 parts of soybean meal, 3.2 parts of bran, 5 parts of soybean oil, 2.5 parts of stone powder, 2 parts of calcium hydrophosphate, 0.4 part of salt, 0.6 part of premix, 0.65 part of composite microecological preparation, 0.27 part of L-lysine, 0.05 part of DL-methionine, 0.04 part of L-tryptophan and 0.15 part of L-threonine.
4. The low protein and amino acid balanced biological feed of claim 3, wherein the feed further comprises one or more of glycine, glutamine and taurine.
5. A low protein and amino acid balanced biological feed as claimed in claims 3 to 4 wherein the glycine is present in an amount of 0.005 to 0.03 parts by weight, the glutamine is present in an amount of 0.005 to 0.03 parts by weight and the taurine is present in an amount of 0.005 to 0.03 parts by weight.
6. The low protein and amino acid balanced biological feed of claim 5, wherein said glycine is 0.025 parts, said glutamine is 0.015 parts, and said taurine is 0.006 parts.
7. A low-protein biological feed suitable for growing chickens is characterized by comprising the following components in parts by weight:
the content of the crude protein is 13-15%, and the raw materials comprise 1 part of DL-methionine, 1.5 parts of L-threonine, 1.2 parts of lysine hydrochloride, 0.7 part of isoleucine, 0.6 part of L-valine, 75.58 parts of corn, 15.5 parts of soybean meal, 3.8 parts of bran, 1 part of soybean oil, 0.55 part of stone powder, 1 part of calcium hydrophosphate, 0.4 part of salt, 0.6 part of premix, 1 part of composite microecological preparation, 0.35 part of L-lysine, 0.08 part of DL-methionine, 0.04 part of L-tryptophan, 0.1 part of L-threonine and 0.15 part of zeolite powder.
8. A method of preparing a low protein biological feed as claimed in any one of claims 1 to 7, including the step of mixing selected parts by weight of the feed material.
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| CN115851556A (en) * | 2023-02-20 | 2023-03-28 | 佛山科学技术学院 | Non-lactose-degrading streptococcus and application thereof |
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| CN115851556A (en) * | 2023-02-20 | 2023-03-28 | 佛山科学技术学院 | Non-lactose-degrading streptococcus and application thereof |
| CN115851556B (en) * | 2023-02-20 | 2023-04-28 | 佛山科学技术学院 | Streptococcus agalactiae and application thereof |
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