CN109965092A - Alleviate heat stress of layer premix and complete feed and preparation method thereof - Google Patents
Alleviate heat stress of layer premix and complete feed and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of alleviation heat stress of layer premix and its complete feeds, it aims to solve the problem that summer temp, humidity are excessively high and causes heat stress of layer, cause performance in layers, Egg Quality, oxidation resistance and immunity degradation, the technical problem strong to drug dependence.Wherein premix includes minerals, vitamin, functional materials and carrier；Complete feed is made by proportion optimizing combination.The present invention can increase performance in layers and egg quality at normal temperature, alleviate at high temperature or eliminate egg heat stress caused by high temperature to chicken production performance, egg quality, oxidation resistant influence, substantially increases egg quality production performance, egg quality, the anti-oxidant and immunocompetence of laying hen under hot conditions.
Description
Technical field
The present invention relates to bird feed technical fields, and in particular to a kind of alleviation heat stress of layer premix and its full price are raised
Material.
Background technique
Breeding layer chicken is the important component of China's animal husbandry, and China in 2018, up to 1,100,000,000, occupies the world in laying hen
It ranks the first.Modernizing breeding layer chicken, there are many stress factors: feeding environment, management, transport and disease etc. in the process.?
Heat stress is China's most area summer feeding laying hen common problem in environmental factor.Physiological responses to heat stress refers to animal
Body is when being in continuous high temperature environment, the change that can be expressed by autogene, makes a kind of referred to as heat shock protein in vivo
The phenomenon that white substance synthetic quantity increases.Heat stress is broadly divided into 3 stages: reaction, resistance and failure period.Heat stress of layer is
As caused by many factors, laying hen belongs to homeothermal animal, and metabolism is vigorous, and body temperature is higher, generally at 40.8~42 DEG C, does not have on skin
There is sweat gland, feather is thicker, and it radiates mainly by breathing, causes its heat dissipation bad, research shows that when environment temperature is more than 28 DEG C,
Can laying hen be caused heat stress occur.Once laying hen be in hot environment stress, laying hen body will be permitted therewith
More metabolizations, cause physiological disorders.
It when heat stress occurs for laying hen, is short of breath, will lead to the concentration of hydrogen ion and carbon dioxide in blood reduces, and causes
Acid-base imbalance, this phenomenon are also respiratory alkalosis.When heat stress occurs, the pH value of laying hen body blood can be increased, from
And the reserves of alkali are reduced, under this hot environment, it will reduce potassium ion, the chloride ion, sodium ion in Plasma of Laying Hens.From
From the point of view of research, as soon as it will appear respiratory alkalosis when exposure is small in 35 DEG C of environment for laying hen.And then destroy body inner ring
Border stable state causes metabolic disorder in laying hen body.
Research shows that laying hen occurs, heat stress can result in the histological structure oedema of immune organ, meronecrosis lesion is withered
Contracting.The weight of spleen, thymus gland, the bursa of farbricius is reduced, bursa of farbricius folliculus becomes smaller and reduces, and the lymphocyte of cecal tonsil is gradually dredged
Pine, atural beat stress will inhibit the immune and humoral immunity of laying hen body cell, and the immunobiologic index of laying hen will be with
Decline, and then cause colibacillosis, salmonellosis, the various diseases such as infective bronchitis.
When heat stress occurs for laying hen, empsyxis, hyperemia also will cause, destroy the ultra microstructure in lung qi alveolar-capillary barrier.Together
Shi Jiyi causes the digestion, breathing and endocrine organ official rank tectology of laying hen to change, and then influences the growth performance of chicken
(laying rate, egg size, feedstuff-egg ratio etc.) causes to cultivate if continuous high temperature cannot be alleviated, or even cause large quantities of death of laying hen
The huge economic losses of industry.
Alleviating heat stress at this stage and mainly taking reduces hen house temperature, reduces stocking density, stronger ventilation ventilation and spraying
The physical measures such as cooling, but for the breeding environment of summer high temperature high humidity, these measures produce little effect.And pass through list
One adjustment daily ration forms/adds drug substance, though have effects that certain, drug substance appearance to the prevention of heat stress of layer
Easily residual influences meat food safety, and provided single additive generally requires to cooperate corresponding feed formula
Its great function can be played, its psychological need is otherwise met by the method for the dosage of increasing additive, strengthen immunity is past
Toward causing the substances such as minerals, vitamin excessive, environmental pollution and the wasting of resources are caused.
Therefore, develop it is a kind of be suitable for high temperature, high humidity environment, no drug substance addition can be effectively relieved/eliminate heat and answers
The premix of sharp low dosage and its complete feed are technical problems urgently to be resolved at this stage.
Summary of the invention
In view of the above-mentioned problems, the present invention provides one kind suitable for hot and humid environment, without add drug class raw material,
Premix and its complete feed of heat stress of layer low dosage can be effectively relieved, it is intended to solve that summer temp, humidity are excessively high to be caused
Heat stress of layer causes performance in layers, Egg Quality, oxidation resistance and immunity degradation, the skill strong to drug dependence
Art problem.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
Design a kind of alleviation heat stress of layer premix, including minerals, vitamin, functional materials and carrier；
Wherein, the minerals are composed of the following raw materials in parts by weight: CuSO4·5H20.79~3.97 part of O, FeSO4·7
H210.00~150.00 parts of O, MnSO4·H23.39~20.34 parts of O, ZnSO4·H22.82~13.52 parts of O, KI 0.06~
0.15 part, Na2SeO3 0.02~0.04 part, CoCl2·H20.03~0.15 part of O；
The vitamin is composed of the following raw materials in parts by weight: retinyl acetate 0.40~0.80；Vitamin D3 0.08
~0.4 part, 2.00~6.00 parts of DL- alpha-tocopherol acetate, 0.32~0.60 part of menadione sodium bisulfite, riboflavin
0.24~0.60 part, 2.00~16.00 parts of vitamin C；
The functional materials are composed of the following raw materials in parts by weight: 2.00~16.00 parts of manna oligosacchride, curcumin 2.00~
16.00 part, NaHCO340.00~80.00 parts；
Preferably, the powdered rice hulls that the carrier is 683.43~933.85 parts.
Preferably, the minerals, vitamin, functional materials are feed grade feedstuff.
A kind of complete feed for alleviating heat stress of layer, is made of following raw materials of weight percent: corn 60.13~
64.16%, dregs of beans 15.00~17.00%, wheat bran 4.50~5.00%, fish meal 3.60~4.00%, mountain flour 8.10~9.00%, phosphoric acid
Hydrogen calcium 0.90~1.00%, methionine 0.27~0.30%, cystine 0.25~0.27%, lysine 0.72~0.80%, it is above-mentioned
Alleviate heat stress of layer premix 2.50%.
Preferably, 2500~2900 kcal/kg of metabolic energy, the crude protein 15.0~17.0%, calcium in the complete feed
3.5~3.9%, total phosphorus 0.50~0.55%.
Preferably, the complete feed moisture content is 9~14%.
A kind of preparation method of complete feed that alleviating heat stress of layer, includes the following steps,
(1) corn, dregs of beans, wheat bran remove impurity through receiving sieve, and being crushed to partial size respectively is 0.15~0.25cm；
(2) fish meal, mountain flour, calcium monohydrogen phosphate, the raw material of step (1) and water mixing 6 are weighed by above-mentioned complete feed material rate
~9min；
(3) material that step (2) are uniformly mixed is put into pot or heating furnace carries out boiling, after material boils, stop adding
Heat, complete feed material rate add methionine, cystine, lysine, are stirred and are allowed to cool, 25 are reduced in temperature~
At 40 DEG C, above-mentioned premix；
(4) step (3) resulting material is directly mixed into powder or the particulate material of different-grain diameter is made up of granulator.
The present invention is quasi- to postpone and solves heat stress and cause environment disturbance (acid-base disorder, electrolyte in respiratory alkalosis and chicken
It is unbalance) aspect start with；Functional substance is further added on this basis to be improved chicken health status, improves chicken immunization machine
Can, to achieve the purpose that giving consideration to both the incidental and fundamental；It is aided with simultaneously and matches reasonable, nutrition equilibrium, digestible diet, reduces chicken digestion and bear
Load, the substance digestion that has additional nutrients absorb, and so as to improve chicken production performance, improve economic benefit of aquaculture.It drops to the full extent
It is low because of environmental condition (high temperature, high humidity) the bad adverse effect to caused by performance in layers.Heat stress occurs for chicken, will
The intracorporal electrolyte of laying hen is caused to be lacked of proper care with soda acid；Rationally it is disorderly can to alleviate in time environment in chicken for addition related substances
Disorderly, facilitate to reduce heat stress influence caused by laying hen.
Under heat stress environment, vitamin requirement amount is quicklyd increase in laying hen body, especially vitamin C, vitamin E
Deng, if not in time supplement deficiency disease will occur, the laying rate and health of laying hen are impacted.VC is in the present invention and other
Ingredient matches, and has the stably excreting for guaranteeing corticosteroid hormone and carnitine, higher feed intake, increase body is maintained to exempt from
Epidemic disease function inhibits body temperature to rise, protects glutathione and enzyme, guarantees the integrality of cell and being normally carried out, proposing for metabolism
The emergency capability and other effects of high body；DL- alpha-tocopherol acetate be absorbed and utilized in the present invention by chicken after on cell membrane
Main antioxidant action is played, has and removes body oxygen radical, alleviates body oxidative damage, and then improve body health shape
The ability of state；(yellow enzyme plays in biological oxidation and passs hydrogen the component part of yellow enzymes prothetic group in riboflavin composition chicken body
Effect), body normal bio oxidative function can be influenced with all kinds of relevant group components matchings, guarantees koinomatter metabolism.Therefore,
It is properly added the heat stress that laying hen can be effectively relieved in vitamin C, vitamin E, riboflavin in layer diets, reduces heat stress
Caused by oxidative damage, alleviate influence of the heat stress to laying rate of laying hen.
Manna oligosacchride is matched in the present invention with other compositions, is had effects that following: 1. promote growth of animals or poultry, daily gain,
Feed digestibility is improved, feed return rate is improved；2. reduce livestock and poultry stress, enhance livestock and poultry anti-stress ability；3. promoting livestock and poultry to exempt from
Epidemic disease function reduces livestock and poultry cultivation risk.
Curcumin has antibacterial, anti-oxidant, anti-inflammatory, promoting immunity function and effect in the present invention；Add in one side diet
Appropriate curcumin is added to be able to suppress the breeding of pathogen, thus the problem of reducing chicken secondary infection under heat stress state, it is another
The appropriate curcumin of aspect can improve chicken immunity, improve chicken resist it is extraneous stress ability.It can reduce body simultaneously
Oxidative damage is horizontal, and then improves the situation that the chicken production performance as caused by heat stress reduces.
Sodium bicarbonate is used as buffer substance important in chicken body in the present invention can be effectively relieved because heat stress causes
Disturbance of acid-base balance improves the productivity of laying hen.If carbanion content when heat stress occurs for laying hen in its blood
It can reduce, it will influence eggshell and formed, influence eggshell quality (eggshell strength and shell thickness), therefore carbonate will be supplemented.
0.2% sodium bicarbonate is added in the daily ration of laying hen, the laying rate of laying hen will be greatly improved, improve quality of egg
And feed conversion rate.
Perfect compound feed uses Corn-soybean meal-fish meal diet, is that digestive utilization ratio is preferably former in complete feed
Material, in addition complete feed addition lysine, cystine, methionine balance the amino acid of daily ration more, keep nutriment more complete
Face is balanced, reduces chicken digestion burden, improves protein utilization, even if sufficient nutrition guarantees chicken in the condition of heat stress
Under can also maintain preferable production performance.
To sum up, by above-mentioned technological means, while alleviating heat stress symptom, fundamentally improve the healthy shape of chicken
The ability of state and anti-oxidation stress, while being equipped with reasonable, balanced nutritional programs and ensureing nutriment supply, to guarantee chicken
Can also have preferable production level under heat stress state.
Compared with prior art, the beneficial technical effect of the present invention lies in:
1. alleviate heat stress of layer premix and its adequate diet complete feed the present invention provides hot and humid environment is suitable for,
It is to be made by proportion optimizing combination, using each raw material cooperation principle, is adjusted from body various aspects and improve laying hen anti-heat stress
Ability, reduce a series of harm due to caused by heat stress from the root；
2. the feedstuff that the present invention uses is easy to get, prepare simply, input cost is lower, and adds without Drug raw material or antibiotic
Add, safely and effectively；
3. application effect of the present invention is significant: (1) feeding premix and complete feed of the invention at normal temperature, egg can be significantly improved
Laying rate, average egg weight, the enhancing eggshell hardness of chicken, while significantly reducing feedstuff-egg ratio, broken rate of eggshell；(2) it raises at high temperature
Daily ingestion amount, laying rate, egg size that premix and complete feed of the invention can significantly improve laying hen are fed, material egg is significantly reduced
Than, the death and culling rate of the breakage rate of egg and egg, and improving the reflection chicken such as shell thickness, hardness yolk ratio and Ha Fu unit
The indexs significant effect such as Egg Quality；(3) premix of the present invention and complete feed alleviate heat caused by high temperature to a certain extent
The oxidative damage caused by body；(4) laying hen is enough significantly improved to the antibody titer of bird flu, is increased body and is resisted fowl stream
The risk of Influenza Virus infection.
Detailed description of the invention
Fig. 1 is the influence of avian influenza antibody potency.
Specific embodiment
Illustrate a specific embodiment of the invention with reference to the accompanying drawings and examples, but following embodiment is used only in detail
It describes the bright present invention in detail, does not limit the scope of the invention in any way.
Related instrument and equipment is routine instrument device unless otherwise instructed in the examples below；It is related
The raw material of industry is commercially available regular industrial raw material unless otherwise instructed；Related processing method, unless otherwise instructed,
It is conventional method.
A kind of embodiment 1: complete feed for alleviating heat stress of layer
Raw material in complete feed is formed by following weight percent: corn 60.13%, dregs of beans 17.00%, wheat bran 5.00%, fish meal
4.00%, mountain flour 9.00%, calcium monohydrogen phosphate 1.00%, methionine 0.30%, cystine 0.27%, lysine 0.80% alleviate laying hen heat
It stress premix 2.50%；2700 kcal/kg of metabolic energy, crude protein 16.12%, calcium 3.7%, total phosphorus 0.52% in complete feed,
Total moisture content is 12%；Minerals, vitamin, functional materials are feed grade feedstuff.
The preparation method of the complete feed of the alleviation heat stress of layer, its step are as follows,
(1) corn, dregs of beans, wheat bran remove impurity through receiving sieve, and being crushed to partial size respectively is 0.15~0.25cm；
(2) fish meal, mountain flour, calcium monohydrogen phosphate, the raw material of step (1) and water mixing 6 are weighed by above-mentioned complete feed material rate
~9min；
(3) material that step (2) are uniformly mixed is put into pot or heating furnace carries out boiling, after material boils, stop adding
Heat, complete feed material rate add methionine, cystine, lysine, are stirred and are allowed to cool, 25 are reduced in temperature~
At 40 DEG C, above-mentioned premix is added in proportion；
(4) step (3) resulting material is directly mixed into powder.
The alleviation heat stress of layer premix, including minerals, vitamin, functional materials and carrier；
Wherein, minerals are composed of the following raw materials in parts by weight: CuSO4·5H22.38 parts of O, FeSO4·7 H280 parts of O,
MnSO4·H211.86 parts of O, ZnSO4·H28.17 parts of O, 0.10 part of KI, Na2SeO3 0.03 part, CoCl2·H20.09 part of O；
Vitamin is composed of the following raw materials in parts by weight: retinyl acetate 0.60；0.24 part of vitamine D3, DL- alpha-tocopherol
4.00 parts of acetic acid esters, 0.46 part of menadione sodium bisulfite, 0.42 part of riboflavin, 9.00 parts of vitamin C；The functionality object
Matter is composed of the following raw materials in parts by weight: 9.00 parts of manna oligosacchride, 9.00 parts of curcumin, NaHCO360 parts；Carrier is
808.64 the powdered rice hulls of part.
Embodiment 2: difference from example 1 is that:
Wherein, minerals are composed of the following raw materials in parts by weight: CuSO4·5H22.14 parts of O, FeSO4·7 H272 parts of O,
MnSO4·H210.68 parts of O, ZnSO4·H27.35 parts of O, 0.09 part of KI, Na2SeO3 0.03 part, CoCl2·H20.08 part of O；
Vitamin is composed of the following raw materials in parts by weight: retinyl acetate 0.54；0.22 part of vitamine D3, DL- alpha-tocopherol
3.60 parts of acetic acid esters, 0.41 part of menadione sodium bisulfite, 0.38 part of riboflavin, 8.10 parts of vitamin C；The functionality object
Matter is composed of the following raw materials in parts by weight: 8.10 parts of manna oligosacchride, 8.10 parts of curcumin, NaHCO354 parts；Carrier is
824.18 the powdered rice hulls of part.
Embodiment 3: difference from example 1 is that:
Wherein, minerals are composed of the following raw materials in parts by weight: CuSO4·5H22.62 parts of O, FeSO4·7 H288 parts of O,
MnSO4·H213.05 parts of O, ZnSO4·H28.99 parts of O, 0.11 part of KI, Na2SeO3 0.04 part, CoCl2·H20.10 part of O；
Vitamin is composed of the following raw materials in parts by weight: retinyl acetate 0.66；0.26 part of vitamine D3, DL- alpha-tocopherol
4.40 parts of acetic acid esters, 0.51 part of menadione sodium bisulfite, 0.46 part of riboflavin, 9.90 parts of vitamin C；The functionality object
Matter is composed of the following raw materials in parts by weight: 9.90 parts of manna oligosacchride, 9.90 parts of curcumin, NaHCO366 parts；Carrier is
785.11 the powdered rice hulls of part.
Embodiment 4: difference from example 1 is that:
Wherein, minerals are composed of the following raw materials in parts by weight: CuSO4·5H21.90 parts of O, FeSO4·7 H264 parts of O,
MnSO4·H29.49 parts of O, ZnSO4·H26.54 parts of O, 0.08 part of KI, Na2SeO3 0.03 part, CoCl2·H20.07 part of O；
Vitamin is composed of the following raw materials in parts by weight: retinyl acetate 0.48；0.19 part of vitamine D3, DL- alpha-tocopherol
3.20 parts of acetic acid esters, 0.37 part of menadione sodium bisulfite, 0.34 part of riboflavin, 7.20 parts of vitamin C；The functionality object
Matter is composed of the following raw materials in parts by weight: 7.20 parts of manna oligosacchride, 7.20 parts of curcumin, NaHCO348 parts；Carrier is
843.71 the powdered rice hulls of part.
Effect example:
Following comparative testing is carried out, illustrates alleviation heat stress of layer premix provided by the invention and its complete feed in egg whereby
Chicken production performance, egg quality, oxidation resistance, the remarkable effect for improving various enzyme activity and antibody titer etc. in serum.
Wherein test material: with the raw material and proportion for alleviating heat stress of layer premix and its complete feed in embodiment 1.
Test one
Experimental design: test 49 week old weight of selection are close, be in a good state of health Roman powder shell layer chicken 80 similar in production performance
Only, it is divided into two groups, respectively control group and processing group, every group of 4 repetitions, 10 chickens of each repetition.Test group feeding is implemented
1 complete feed of example, the basic components of control group fed embodiment 1, and with 1 premix of conventional commercial premix alternate embodiment.
Colony house temperature is 23~25 DEG C during test, relative humidity 65%, and experimental period is 6 weeks, investigates different premix addition group productions
Performance, Egg Quality.Feeding management is tested referring to " Roman powder shell layer chicken feeding management handbook ".
Progress test period is in July, 2017~September；Test site: the limited public affairs of Xuchang City Ruzhou, Henan Province Fu Qiao fowl industry
Department.
1. test results and analysis:
Influence of the premix to performance in layers under 1.1 room temperature in embodiment 1 is shown in Table 1.
Influence of the premix to performance in layers under 1 room temperature of table in embodiment 1
。
As shown in Table 1, compared with the control group, test group laying rate of laying hen is extremely significant improves 6.60%, and average egg weight is significant
Pole improves 1.25%；Feedstuff-egg ratio significantly reduces 2.05% simultaneously, and broken rate of eggshell significantly reduces 53.85%, and death and culling rate reduces
52.81%；Daily ingestion amount improves 2.72% to a certain extent, but difference is not significant, illustrates that under normal temperature conditions, the present invention is pre-
The production performance of laying hen can be improved in mixing.
Influence of the premix to egg quality under 1.2 room temperature in embodiment 1 is shown in Table 2.
Influence of the premix to egg quality under 2 room temperature of table in embodiment 1
。
As shown in Table 2, compared with the control group, the eggshell strength of test group egg significantly improves 12.5%；Shell thickness mentions
It is high by 5.71%, illustrate that premix of the present invention can improve the quality of the egg under room temperature feeding environment.
Test two
2 experimental designs: this test chooses 50 week old and is in a good state of health Roman powder shell layer chicken 120 similar in production performance, point
For room temperature control group, high temperature control group and test group, every group of 4 repetitions, 10 chickens of each repetition.Test group feeds embodiment 1
Complete feed, the basic components of room temperature control group, high temperature control group fed embodiment 1, and and with conventional commercial premix substitution
1 premix of embodiment；Hen house temperature control is at 23~25 DEG C during room temperature control group is tested, and humid control is 70~80%, high temperature
Control group and test group control hen house temperature at 32 DEG C during testing, and humidity 70~80%, experimental period is 6 weeks, investigates premix
Expect, the difference of temperature is to production performance, Egg Quality, Biochemical Indices In Serum.Feeding management is tested referring to " Roman powder shell layer chicken raising
Administrative manual " it carries out, test period is in August, 2018~October；Test site: Xuchang City Ruzhou, Henan Province Fu Qiao fowl industry is limited
Company.
Influence of the premix to Roman powder shell layer chicken production performance under 2.1 high temperature in embodiment 1 is shown in Table 3.
Influence of the premix to Roman powder shell layer chicken production performance under 3 high temperature of table in embodiment 1
。
From table 3 it is observed that the feed intake and laying rate of high temperature control group laying hen significantly drop compared with room temperature control group
Low 20.31% and 12.05%, feedstuff-egg ratio conspicuousness increases 4.45%, and average egg weight significantly reduces 7.16%, and breakage rate is significant
341.67% is increased, death and culling rate increases 129.63%；Compared with high temperature control group, test group group average daily gain and lay eggs
Rate is extremely significant respectively to increase 26.11% and 16.28%, and average egg weight increases 5.73%；Feedstuff-egg ratio significantly reduces 5.04%, breaks
Loss rate and death and culling rate significantly reduce 73.96% and 62.10% respectively；Room temperature control group is compared, test group in laying hen feed intake, lay eggs
Significant difference is not present in rate, feedstuff-egg ratio, average egg weight, breakage rate and death and culling rate etc..Illustrate that high temperature will cause laying hen
Production performance decline, and influence of the high temperature to performance in layers can be alleviated or be eliminated to premix of the present invention, substantially increase
The production performance of laying hen under hot conditions.
Influence of the premix to Roman powder shell egg quality under 2.2 high temperature in embodiment 1 is shown in Table 4.
Influence of the premix to Roman powder shell egg quality under 4 high temperature of table in embodiment 1
。
As can be seen from Table 4, compared with room temperature control group, the shell thickness and Ha Fu unit of high temperature control group laying hen are aobvious
Work property reduces 15.15% and 7.54%；Compared with high temperature control group, test group shell thickness and eggshell strength conspicuousness are increased
7.14% and 18.77%, the yolk ratio and Ha Fu unit conspicuousness of egg increase 3.39% and 9.04%；With room temperature control group phase
Than test group egg shape index, eggshell strength, eggshell ratio, yolk ratio and Hough unit there are no significant difference.Illustrate high temperature
It will cause egg quality decline, and influence of the high temperature to laying hen egg quality can be alleviated or be eliminated to premix of the present invention, significantly
Improve the egg quality of laying hen under hot conditions.
Premix influence oxidation resistant on Roman powder shell layer chicken serum under 2.3 high temperature in embodiment 1 is shown in Table 5.
Premix under 5 high temperature of table in embodiment 1 is on the oxidation resistant influence of Roman powder shell layer chicken serum
。
From 5 as can be seen that compared with room temperature control group, high temperature control group GSH-P x and SOD activity conspicuousness is reduced
12.04% and 13.41%, the significant conspicuousness of MDA content increases 30.93%；Compared with high temperature control group, test group GSH-Px
32.94% and 9.05% are increased with SOD activity conspicuousness, the significant conspicuousness of MDA content reduces 26.56%；It is compareed with room temperature
Group is compared, test group CAT and GSH-Px activity, MDA content there are no significant difference.Illustrate that high temperature will cause the anti-oxidant energy of egg
Power decline, and the damage of high temperature oxidation resistance caused by heat stress of layer can be alleviated or be eliminated to premix of the present invention, greatly
The oxidation resistance of laying hen under hot conditions is improved greatly.
Test three
3 experimental designs: blue brown laying hen 96 of the sea that 51 week old, weight is close, is in a good state of health is selected in test, is randomly divided into 2
Group (control group and processing group), 4 repetitions of each processing, 12 chickens of each repetition, hen house temperature control 32 DEG C, humidity 70~
80%(manufactures high temperature, high humidity environment).Base set feeds basal diet, according to extra large blue brown shell layer feeding management standard preparation, examination
Group feeding 1 complete feed of embodiment, the basic components of control group fed embodiment 1 are tested, and are substituted in fact with conventional commercial premix
Apply 1 premix of example.Experimental period is 30 days, investigates product of the present invention to extra large blue brown performance in layers, egg quality, serum biochemistry
And the variation of immune function.Wherein, bird flu potency is measured according to Zhengzhou Zhong Dao ELISA kit specific method, when test
Between be in August, 2018~October；Test site: Xinzheng City, Henan Province Katyuan fowl industry.
Influence of the premix to extra large blue brown performance in layers under 3.1 high temperature in embodiment 1 is shown in Table 6
Influence of the premix to extra large blue brown performance in layers under 6 high temperature of table in embodiment 1
。
It can be seen that from 6, compared with the control group, test group laying rate of laying hen is extremely significant to improve 2.78%；Feedstuff-egg ratio simultaneously
4.25% is significantly reduced, lopsided egg rate significantly reduces 53.70%, and egg rate of broken eggs significantly reduces 35.14%；Illustrate in height
Under the conditions of temperature, the production performance of laying hen is can be improved in premix provided by the invention.
Influence of the premix to extra large blue brown Egg Quality under 3.2 high temperature in embodiment 1 is shown in Table 7.
Influence of the premix to extra large blue brown Egg Quality under 7 high temperature of table in embodiment 1 is shown in Table 7
。
As can be seen from Table 7, compared with the control group, test group egg shape index significantly increases 1.5%, shell thickness and
Eggshell strength conspicuousness increases 10.00% and 18.29%, and the yolk ratio and Ha Fu unit conspicuousness of egg increase 3.70%
With 8.24%；Illustrate that premix of the present invention can improve egg quality caused by the heat stress generated under high temperature feeding environment.
Premix under 3.3 high temperature in embodiment 1 is shown in Table 8 to the extra large blue brown oxidation resistant influence of Laying-hen Serum.
Premix under 8 high temperature of table in embodiment 1 is on the extra large blue brown oxidation resistant influence of Laying-hen Serum
。
As can be seen from Table 8, compared with the control group, test group ALT and ALP activity conspicuousness reduce 37.27% He
32.35%, AST and LDH activity difference conspicuousness increase 5.9% and 7.3%；Illustrate that premix of the present invention can alleviate high temperature raising
The heat stress generated under environment makes various enzyme activity in paired sera, and then maintains the stable state of organismic internal environment, improves production performance,
It improves health conditions.
Premix under 3.4 high temperature in embodiment 1 is shown in Table Fig. 1 to the extra large blue brown oxidation resistant influence of Laying-hen Serum.
From figure 1 it appears that compared with the control group, test group influenza potency dramatically increases, illustrate premix of the present invention
Laying hen can be significantly improved to the antibody titer of bird flu, increase the risk that body resists avian flu virus infection.
The present invention is described in detail above in conjunction with drawings and examples, still, those of skill in the art
Member is it is understood that without departing from the purpose of the present invention, can also carry out each design parameter in above-described embodiment
Change, forms multiple specific embodiments, is common variation range of the invention, is no longer described in detail one by one herein.
Claims (7)
1. a kind of alleviation heat stress of layer premix, including minerals, vitamin, functional materials and carrier, it is characterised in that:
The minerals are composed of the following raw materials in parts by weight: CuSO4·5H20.79~3.97 part of O, FeSO4·7 H2O
10.00~150.00 parts, MnSO4·H23.39~20.34 parts of O, ZnSO4·H22.82~13.52 parts of O, KI 0.06~
0.15 part, Na2SeO30.02~0.04 part, CoCl2·H20.03~0.15 part of O；
The vitamin is composed of the following raw materials in parts by weight: retinyl acetate 0.40~0.80；Vitamin D30.08~
0.40 part, 2.00~6.00 parts of DL- alpha-tocopherol acetate, 0.32~0.60 part of menadione sodium bisulfite, riboflavin
0.24~0.60 part, 2.00~16.00 parts of vitamin C；
The functional materials are composed of the following raw materials in parts by weight: 2.00~16.00 parts of manna oligosacchride, curcumin 2.00~
16.00 part, NaHCO340.00~80.00 parts.
2. according to claim 1 alleviate heat stress of layer premix, it is characterised in that: the carrier be 683.43~
933.85 the powdered rice hulls of part.
3. alleviating heat stress of layer premix according to claim 1, it is characterised in that: the minerals, vitamin, function
Energy property substance is feed grade feedstuff.
4. a kind of complete feed for alleviating heat stress of layer, it is characterised in that: comprise the following raw materials by weight percent: corn
60.13~64.16%, dregs of beans 15.00~17.00%, wheat bran 4.50~5.00%, fish meal 3.60~4.00%, mountain flour 8.10~
9.00%, calcium monohydrogen phosphate 0.90~1.00%, methionine 0.27~0.30%, cystine 0.25~0.27%, lysine 0.72~
0.80%, premix 2.50% described in claim 1.
5. alleviating the complete feed of heat stress of layer according to claim 4, it is characterised in that: the generation in the complete feed
Thanking can 2500~2900 kcal/kg, crude protein 15.0~17.0%, calcium 3.5~3.9%, total phosphorus 0.50~0.55%.
6. alleviating the complete feed of heat stress of layer according to claim 4, it is characterised in that: the complete feed moisture contains
Amount is 9~14%.
7. a kind of preparation method for the complete feed for alleviating heat stress of layer, it is characterised in that: include the following steps,
(1) corn, dregs of beans, wheat bran remove impurity through receiving sieve, and being crushed to partial size respectively is 0.15~0.25cm；
(2) complete feed material rate according to claim 4 weigh fish meal, mountain flour, calcium monohydrogen phosphate, step (1) raw material
6~9min is mixed with water；
(3) material that step (2) are uniformly mixed is put into pot or heating furnace carries out boiling, after material boils, stop adding
Heat, complete feed material rate add methionine, cystine, lysine, are stirred and are allowed to cool, 25 are reduced in temperature~
At 40 DEG C, premix described in claim 1 is added；
(4) step (3) resulting material is directly mixed into powder or the particulate material of different-grain diameter is made up of granulator.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112106901A (en) * | 2020-10-23 | 2020-12-22 | 河北环境工程学院 | Feed for improving production performance of laying hens in hot period in egg laying peak period |
| CN116849309A (en) * | 2023-09-05 | 2023-10-10 | 成都铁骑力士饲料有限公司 | Feed additive for improving heat stress resistance of laying hens, preparation method and feed |
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| CN105851667A (en) * | 2016-06-23 | 2016-08-17 | 安徽农业大学 | Feed composition for improving egg laying healthcare functions of hens and reducing cholesterol contents of eggs and method for applying feed composition |
| CN108419945A (en) * | 2018-02-27 | 2018-08-21 | 北京大伟嘉生物技术股份有限公司 | A kind of pink shell layer chicken in laying period compound premix special |
| CN109566899A (en) * | 2018-11-08 | 2019-04-05 | 上海申丰畜牧兽医科技有限公司 | A kind of premix material of anti heat stress for egg feedstuff |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101836689A (en) * | 2009-03-19 | 2010-09-22 | 许殿明 | Ingredients and mixture ratio of laying hen feedstuff additives |
| CN105851667A (en) * | 2016-06-23 | 2016-08-17 | 安徽农业大学 | Feed composition for improving egg laying healthcare functions of hens and reducing cholesterol contents of eggs and method for applying feed composition |
| CN108419945A (en) * | 2018-02-27 | 2018-08-21 | 北京大伟嘉生物技术股份有限公司 | A kind of pink shell layer chicken in laying period compound premix special |
| CN109566899A (en) * | 2018-11-08 | 2019-04-05 | 上海申丰畜牧兽医科技有限公司 | A kind of premix material of anti heat stress for egg feedstuff |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112106901A (en) * | 2020-10-23 | 2020-12-22 | 河北环境工程学院 | Feed for improving production performance of laying hens in hot period in egg laying peak period |
| CN116849309A (en) * | 2023-09-05 | 2023-10-10 | 成都铁骑力士饲料有限公司 | Feed additive for improving heat stress resistance of laying hens, preparation method and feed |
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Application publication date: 20190705 |