CN111903847A - Serine feed additive for promoting production performance of meat poultry and application thereof - Google Patents
Serine feed additive for promoting production performance of meat poultry and application thereof Download PDFInfo
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- CN111903847A CN111903847A CN202010692948.3A CN202010692948A CN111903847A CN 111903847 A CN111903847 A CN 111903847A CN 202010692948 A CN202010692948 A CN 202010692948A CN 111903847 A CN111903847 A CN 111903847A
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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
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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
- 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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Abstract
The invention discloses a serine feed additive for promoting the production performance of meat poultry, which comprises serine and saccharomycetes. The feed additive comprises 75-95 parts by weight of serine and 5-25 parts by weight of yeast. The invention also provides the application of the feed additive, and the feed additive is added into the daily ration according to the amount accounting for 0.15-0.35 wt% of the weight of the daily ration before feeding. The feed additive comprises serine and yeast, has double effects of nutrition and health promotion, and can effectively improve disease resistance of meat fowl, enhance immunity of meat fowl, increase feed utilization rate, daily gain, survival rate, and improve meat quality of cultured meat fowl. The feed additive does not contain any antibiotic or hormone component, and has the advantages of no toxicity, no drug residue, no drug resistance, no pollution and the like.
Description
Technical Field
The invention belongs to the technical field of animal nutrition, and particularly relates to a serine feed additive for promoting the production performance of meat poultry and an application thereof.
Background
In recent years, with the development of economy in China and the improvement of the living standard of people, the demand of domestic markets for meat poultry products is continuously increased, the rapid development of meat poultry breeding is promoted, and large-scale and industrialized farms and breeding enterprises grow rapidly.
In the growth and development process of the meat poultry, a large amount of energy and other various nutrient substances are needed and driven by economic benefits, and in order to accelerate the growth speed of the meat poultry, a breeding factory puts the meat poultry with feed containing antibiotics or hormones. However, excessive antibiotics or hormones can cause the body metabolism of the meat poultry, resulting in slow growth and development, light body weight and low body immunity. The mild people can cause unbalanced nutrition of the meat poultry, susceptibility to various infectious diseases, loose meat, light taste, fishy smell and poor taste, the meat poultry quality is directly influenced, and the severe people can cause death of the meat poultry, so the production benefit of the meat poultry breeding industry is seriously influenced.
Disclosure of Invention
The invention aims to provide a serine feed additive for promoting the production performance of meat poultry and application thereof, which can improve the disease resistance and the autoimmunity of the organism of the meat poultry, improve the daily gain and the survival rate of the meat poultry and improve the meat quality of the cultured meat poultry.
In one aspect, the present invention provides a serine feed additive for enhancing the production performance of broiler birds comprising serine and yeast.
Preferably, the feed additive comprises 75-95 parts by weight of serine and 5-25 parts by weight of yeast.
Preferably, the feed additive comprises 75 parts by weight of the serine and 25 parts by weight of the yeast.
Preferably, the feed additive comprises 80 parts by weight of the serine and 20 parts by weight of the yeast.
Preferably, the feed additive comprises 86 parts by weight of the serine and 14 parts by weight of the yeast.
Preferably, the feed additive comprises 89 parts of the serine and 11 parts of the yeast by weight.
Preferably, the feed additive comprises 95 parts by weight of the serine and 5 parts by weight of the yeast.
Preferably, the bacterium content of the yeast is more than or equal to 1.0 multiplied by 1010cfu/g。
The invention also provides the use of any one of the feed additives described above, incorporated into an animal's ration prior to feeding the animal.
Preferably, the feed additive is incorporated into the animal ration in an amount of 0.15-0.35 wt% of the animal ration.
The feed additive disclosed by the invention consists of serine and saccharomycetes, has double effects of nutrition and health care, improves the disease resistance and autoimmunity of organisms of meat poultry, improves the utilization rate, daily gain and survival rate of feed, and improves the meat quality of the cultured meat poultry. The feed additive does not contain any antibiotic or hormone component, and has the advantages of no toxicity, no drug residue, no drug resistance, no pollution and the like.
Detailed Description
The invention will be further described with reference to specific embodiments, and the advantages and features of the invention will become apparent as the description proceeds. It should be understood that the examples are illustrative only and are not limiting upon the scope of the invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention, and that such changes and modifications may be made without departing from the spirit and scope of the invention.
In the following description, all methods involved are conventional in the art unless otherwise specified. The starting materials mentioned are all those which are commercially available from the public unless otherwise specified.
Serine is one of 20 amino acids constituting proteins, is a neutral aliphatic hydroxyl-containing amino acid, plays a role in the metabolism of fats and fatty acids and the growth of muscles, and contributes to the production of immunocytokines and antibodies.
The yeast is an animal probiotic, and the yeast cells contain abundant substances such as protein, B vitamins, amino acids, enzymes and the like, and can provide various nutrients for animals.
According to the invention, serine and saccharomycetes are mixed according to a certain proportion to obtain the feed additive, and the feed additive can be added into daily ration of meat poultry to help improve the disease resistance and autoimmunity of the meat poultry, improve the feed utilization rate, daily gain and survival rate and improve the meat quality of the cultured meat poultry. The feed additive preferably comprises 75-95 parts by weight of serine and 5-25 parts by weight of yeast. Wherein the yeast comprises cerevisiae Fermentum and Candida utilis, and the bacteria content of both yeasts is not less than 1.0 × 1010cfu/g。
According to one embodiment of the invention, the feed additive comprises by weight serine 75 parts and yeast 25 parts.
According to one embodiment of the invention, the feed additive comprises serine 80 parts and yeast 20 parts by weight.
According to one embodiment of the invention, the feed additive comprises 86 parts by weight of serine and 14 parts by weight of yeast.
According to one embodiment of the invention, the feed additive comprises 89 parts by weight of serine and 11 parts by weight of yeast.
According to one embodiment of the invention, the feed additive comprises 95 parts by weight of serine and 5 parts by weight of yeast.
The invention also provides the application of any one of the feed additives, and the feed additive is added into the daily ration of the meat poultry according to the amount accounting for 0.15-0.35 wt% of the total weight of the daily ration before feeding.
To help a better understanding of the technical solution of the present invention, the following examples are provided for illustrating the preparation of the feed additive of the present invention and its effect on the growth of broiler birds.
Example 1: preparation of feed additive 1
The raw materials by weight ratio are as follows: 75 parts of serine and 25 parts of yeast, wherein the yeast comprises beer yeast and candida utilis, and the bacteria content of the two yeasts is more than or equal to 1.0 multiplied by 1010cfu/g。
Adding the yeast and the serine into a stirrer, and uniformly stirring to obtain the feed additive 1.
Example 2: preparation of feed additive 2
The raw materials by weight ratio are as follows: 80 parts of serine and 20 parts of microzyme, wherein the microzyme comprises beer yeast and candida utilis, and the bacteria content of the two microzymes is more than or equal to 1.0 multiplied by 1010cfu/g。
Adding the saccharomycetes and the serine into a stirrer, and uniformly stirring to obtain the feed additive 2.
Example 3: preparation of feed additive 3
The raw materials by weight ratio are as follows: 86 portions of serine and 14 portions of microzyme, wherein the fermentation is carried outThe mother bacteria include cerevisiae Fermentum and Candida utilis, and the bacteria content of the two yeasts is not less than 1.0 × 1010cfu/g。
Adding the yeast and the serine into a stirrer, and uniformly stirring to obtain the feed additive 3.
Example 4: preparation of feed additive 4
The raw materials by weight ratio are as follows: 89 parts of serine and 11 parts of yeast, wherein the yeast comprises beer yeast and candida utilis, and the bacteria content of the two yeasts is more than or equal to 1.0 multiplied by 1010cfu/g。
Adding the yeast and the serine into a stirrer, and uniformly stirring to obtain the feed additive 4.
Example 5: preparation of feed additive 5
The raw materials by weight ratio are as follows: 95 parts of serine and 5 parts of yeast, wherein the yeast comprises beer yeast and candida utilis, and the bacteria content of the two yeasts is more than or equal to 1.0 multiplied by 1010cfu/g。
Adding the yeast and the serine into a stirrer, and uniformly stirring to obtain the feed additive 5.
Test 1: influence of feed additive on growth of broiler chicken
900 healthy Ross 308 broilers of 1 day old are selected and randomly divided into 6 groups according to the principle that the weights of half of the male and half of the female are similar, wherein the 6 groups comprise a control group and 5 test groups, each group comprises 3 repetitions, and each repetition comprises 50 repetitions. The broilers in all groups are raised on the net flatly, are fed with water and water freely, are managed and immunized according to the conventional management program of a chicken farm, and are subjected to a feeding test in a feeding period of 42 days. The control group is fed with conventional basal diet, and the diets fed by 5 test groups are respectively prepared by adding 1-5 prepared feed additives into conventional basal diet according to the amount accounting for 0.15 wt% of the total weight of the diets.
The daily feed amount, the residual feed amount and the number of dead broilers are recorded during the test period. And respectively at 1, 21 and 42 days of age, repeatedly taking the number as the unit to call the fasting weight of the broilers, and calculating the average daily gain, feed conversion ratio and survival rate of each group of broilers after the test is finished. The results are shown in Table 1.
TABLE 1
The results in table 1 show that the average daily gain of ross 308 broiler chickens fed with the feed additive is respectively increased by 7.59%, 8.51%, 9.23%, 10.17% and 9.46% compared with the control group; the feed-meat ratio is respectively reduced by 4.64%, 5.67%, 6.70%, 9.79% and 8.25%; the average survival rate is respectively improved by 4%, 6% and 6%. Therefore, the feed additives 1-5 can promote the growth of the broiler chickens, the feed utilization rate and the survival rate are improved, and the effect of the feed additive 4 on promoting the growth of the broiler chickens is the best.
After the test is finished, the weight of the broiler chickens is weighed and slaughtered one by one. And weighing the pectoral muscles, the leg muscles and the abdominal fat one by one, and calculating the average pectoral muscle rate, the average leg muscle rate and the average abdominal fat rate of each group of broilers. The results are shown in Table 2.
TABLE 2
The results in table 2 show that the average breast muscle rate of the broilers in the test group fed with the feed additive is higher than that in the control group; the average leg muscle rate of the broilers in the test group is higher than that of the control group; the average abdominal fat rate of the broilers in the test group is lower than that of the control group. Therefore, the feed additives 1-5 can improve the chicken quality of the broiler chicken.
Test 2: influence of feed additive on growth of meat duck
900 cherry valley meat ducks of 2 days old in the same shed are randomly selected and divided into 6 groups according to the principle that the weights of half of the male and the female are similar, wherein each group comprises 3 repetitions and 50 repetitions, and the control groups and the 5 experimental groups comprise the same half of the male and the female. All the groups of meat ducks are cultured by adopting a whole net rack, and are fed with water and water freely, and the feeding test of the feeding period of 35d is carried out. The control group is fed with conventional basal diet, and the diets fed by 5 test groups are respectively prepared by adding 1-5 prepared feed additives into conventional basal diet according to the amount accounting for 0.25 wt% of the total weight of the diets.
And recording the daily feed amount, the residual feed amount and the dead number during the test period, weighing the weight of each meat duck from the beginning to the end of the test, and calculating the average daily gain, the feed-meat ratio and the survival rate of each group of meat ducks after the test is finished. The results are shown in Table 3.
TABLE 3
The results in table 3 show that the average daily gain of the cherry valley meat duck fed with the feed additive is increased by 3.74%, 4.27%, 7.83%, 9.96% and 9.25% respectively compared with the control group; the feed-meat ratio is respectively reduced by 4.02%, 5.80%, 8.03%, 11.61% and 10.27%; the average survival rate is respectively improved by 8 percent, 6 percent, 8 percent and 8 percent. Therefore, the feed additives 1-5 can promote the growth of the meat ducks and improve the utilization rate of the feed, and the feed additive 4 has the best effect of promoting the growth of the meat ducks.
After the test is finished, the meat ducks are weighed and slaughtered one by one, then the pectoral muscles, the leg muscles and the abdominal fat are taken and weighed one by one, and the average pectoral muscle rate, the average leg muscle rate and the average abdominal fat rate of each group of cherry valley meat ducks are calculated. The results are shown in Table 4.
TABLE 4
The results in table 4 show that the average pectoral muscle rate of the meat ducks fed with the feed additive is higher than that of the control group; the average leg muscle rate of the meat ducks of the test group is higher than that of the control group; the average abdominal fat rate of the meat ducks of the test group is lower than that of the control group. Therefore, the feed additives 1-5 can improve the duck meat quality of the meat ducks.
Test 3: influence of feed additive on production performance of meat pigeon
720 healthy 20-day-old white feather meat pigeons which are hatched in the same batch and have similar body weight are selected and randomly divided into 6 groups, including a control group and 5 test groups, wherein each group has 3 repetitions and each repetition has 40 repetitions. All meat pigeons of each group are fed in the same pigeonry, and the pigeonry adopts natural temperature to keep clean and fresh air in the pigeonry. Test pigeons are paired and raised in cages, and are fed with water and water freely in the whole process. The pre-test period was 5d, then the feeding trial was performed for 30 d. The control group is fed with conventional basal diet, and the diets fed by 5 test groups are respectively prepared by adding 1-5 prepared feed additives into conventional basal diet according to the amount accounting for 0.35 wt% of the total weight of the diets.
Daily feed, remaining material, and death counts were recorded during the test. And weighing the weight of each meat pigeon from the beginning to the end of the test, and calculating the average daily gain, feed conversion ratio and survival rate of each group of meat pigeons after the test is finished. The results are shown in Table 5.
TABLE 5
The results in table 5 show that the average daily gain of white feather pigeon fed with the feed additive is increased by 8.06%, 11.3%, 17.7%, 14.5% and 9.68% respectively compared with the control group; the feed-meat ratio is respectively reduced by 8.45%, 11.3%, 19.7%, 18.3% and 15.5%; the average survival rate is respectively improved by 5 percent, 5 percent and 5 percent. Therefore, the feed additives 1-5 can promote the growth of the meat pigeons, the feed utilization rate and the survival rate are improved, and the effect of promoting the growth of the meat pigeons by the feed additive 3 is optimal.
After the test is finished, the meat pigeons are weighed and slaughtered one by one, then the breast muscles, the leg muscles and the abdominal fat are taken and weighed one by one, and the average breast muscle rate, the average leg muscle rate and the average abdominal fat rate of each group of white feather meat pigeons are calculated. The results are shown in Table 6.
TABLE 6
The results in table 6 show that the average breast muscle rate of the meat pigeons fed with the feed additive is higher in the test group than in the control group; the average leg muscle rate of the meat pigeons in the test group is higher than that of the control group; the average abdominal fat rate of the meat pigeons in the test group is lower than that of the control group. Therefore, the feed additives 1-5 can improve the pigeon meat quality of the meat pigeons.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It will be apparent to those skilled in the art that improvements and modifications may be made without departing from the principles of the invention and are intended to be within the scope of the invention.
Claims (10)
1. A serine feed additive for promoting the production performance of meat poultry contains serine and yeast.
2. The feed additive according to claim 1, wherein the feed additive comprises 75 to 95 parts by weight of the serine and 5 to 25 parts by weight of the yeast.
3. The feed additive of claim 2 wherein said feed additive comprises 75 parts by weight of said serine and 25 parts by weight of said yeast.
4. The feed additive according to claim 2, wherein the feed additive comprises 80 parts by weight of the serine and 20 parts by weight of the yeast.
5. The feed additive of claim 2 wherein said feed additive comprises 86 parts by weight of said serine and 14 parts by weight of said yeast.
6. The feed additive of claim 2 wherein said feed additive comprises 89 parts by weight of said serine and 11 parts by weight of said yeast.
7. The feed additive of claim 2 wherein said feed additive comprises 95 parts by weight of said serine and 5 parts by weight of said yeast.
8. The feed additive according to any one of claims 1 to 7, wherein the yeast has a bacteria content of 1.0 x 10 or more10cfu/g。
9. Use of a feed additive according to any one of claims 1 to 8 which is incorporated into the ration of an animal prior to feeding the animal.
10. The use of claim 8, wherein the feed additive is incorporated into the animal ration in an amount of 0.15 to 0.35 wt% of the animal ration.
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2020
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| CN110037191A (en) * | 2019-04-09 | 2019-07-23 | 鹤山市粤凰饲料有限公司 | A kind of broiler chickens mixed feed and preparation method thereof without using antibiotic |
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