CN102038081B - Willow extract feed additive and preparation method thereof - Google Patents
Willow extract feed additive and preparation method thereof Download PDFInfo
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- CN102038081B CN102038081B CN2009101971990A CN200910197199A CN102038081B CN 102038081 B CN102038081 B CN 102038081B CN 2009101971990 A CN2009101971990 A CN 2009101971990A CN 200910197199 A CN200910197199 A CN 200910197199A CN 102038081 B CN102038081 B CN 102038081B
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Abstract
The invention discloses a willow extract feed additive which is extracted by using the branch and the bark of a willow as raw materials. A preparation method of the willow extract feed additive comprises the following steps of: preliminarily extracting the branch and the bark of the willow; and secondarily circularly extracting the residues of preliminary extraction, and uniformly mixing an obtained extract with a proper carrier after spray drying processing to form the willow extract feed additive. The willow extract feed additive has the functions of expelling wind and clearing away heat, eliminating stasis to subdue swelling, preventing the respiratory diseases and reproductive obstacle diseases of animals, resisting bacteria, diminishing inflammation and improving the immunity of the animals.
Description
Technical field
The present invention relates to a kind of willow extract feed additive and preparation method thereof, have expelling wind and clearing away heat, eliminating stasis to subdue swelling, prevention animal breath tract disease, breeding difficulty disease, anti-inflammation improves the function of animal immunizing power, belongs to natural plants additive technology field.
Background technology
Various age pig particularly the breathing problem of piglet be feature, existing one of the main epidemic disease of large-scale pig farm that become.The disease of present topmost PRDC (PRDC) take speed of growth reduction, efficiency of feed utilization reduction, anorexia, cough, expiratory dyspnea as feature although overall mortality rate is not high, can have a strong impact on the economic benefit on pig farm.At present, some new characteristics have appearred in prdc, the one, the pathogen that shows as mixed infection changes more to some extent, pathogen is that the infection of mycoplasma pneumoniae, reproductive and respiratory syndrome virus (PRRSV), 2 type PCV-IIs (PCV-2) etc. is main, again in conjunction with other bacterium secondary or mixed infection.The 2nd, the change of disease time, the pig that shows as the rear different production phases of wean all can fall ill, namely from 2 weeks after weaning, until prdc can occur fattening period.This disease all can occur the pig of various kinds, all ages and classes and purposes, and classical PRDC betided for 18～20 ages in week, thus be called 18 age in week wall.China PRDC in the past in 2003 can betide the growth pig stage, i.e. in 12～15 ages in week, this moment, main pathogen was mycoplasma pneumoniae, PRRSV and swine influenza virus.And present morbidity can begin to occur (i.e. 40～50 ages in days front and back) the 2-3 week after wean, also can betide in 2 weeks that turn behind the group.Key issue is the infection time of PRRSV, and the time of stress reaction generation.Betide before and after the wean if PRRSV infects, then the disease time of PRDC can be after wean 2～3 weeks; If PRRSV infects the later stage that betides nursery house, or after turning the group, then PRDC can betide the early stage of growth phase.Therefore different pig farm disease times is different, and the order of severity of morbidity is different with loss.And stress reaction can significantly reduce the resistance of pig, promotes the generation of infection, can betide any stage, but modal is wean, producing when turning group and mixed group stress, resistance infects when descending, and through incubation period different in size, just can show symptom.The clinical symptoms of PRDC are relevant with the main pathogen of infection, if take mycoplasma pneumoniae as main, then main symptom is for a long time cough, then causes take PRRSV as main infection take accelerated breathing, expiratory dyspnea as main symptom.If take influenza infection as main, the morbidity of full group pig the symptom that is the devil, generates heat occurs breathing suddenly.But present breathing problem generally is mixed infection, and it is main sometimes being difficult to any cause of disease of difference.Main pathogens such as the Taiwan weanling pig respiratory diseases that a pig farm occurs at the year ends 2003 is influenza virus, PCV-2 and mycoplasma pneumoniae.Persistent infection is the EPDML key character of PRRSV, and PRRSV can exist for a long time in infected pigs's body.Equally, the disease of other type by respiratory infectious causes that the breeding difficulty disease is also deep to perplex the various places raiser, and the pig industry that respiratory tract and breeding difficulty disease threaten China day by day is to the stage that must solve.
Summary of the invention
The present invention is take the branch of natural willow and skin as raw material, processing through science, comprehensive potent trophism can be provided for nerve, the immune system of animal, fast quick-recovery and enhancing animal immune system function, increase the mucus secretory volume of mucous membrane tissue, strengthen the ability that mucous membrane of animal is secreted multiple IG antibody, strengthen the activity of panimmunity cell, repair the mucous membrane tissue structure of damaging, thereby improve animal immunizing power, resist efficiently the invasion of multiple virus, harmful bacteria, thereby reduce the incidence of disease of livestock and birds respiratory disease and breeding difficulty disease.
Technical scheme of the present invention is to adopt following means to realize to achieve these goals:
A kind of willow extract feed additive, by the branch of willow and skin through forming with suitable carrier after twice water extraction and the spray-drying.
Described carrier is preferably at least a in attapulgite, silica, pine needle meal and the maltodextrin.
The present invention also provides a kind of preparation method of willow extract feed additive, and concrete steps are as follows:
Branch and the skin of raw material willow are extracted, mix with carrier.
The branch of its Raw willow and skin extracting method are:
Branch and skin raw material with above raw material willow cleans, chooses clean, brachymemma respectively;
Raw material is packed in the multi-function extractor, through 6 times of water gagings, boiled 1 hour, steam pressure is that 1Mpa processes, and filters, and obtains the first filtrate and filter residue;
Filter residue boiled 1 hour again through 6 times of water gagings, and steam pressure is that 1Mpa processes, and filters, and gets respectively the second filtrate and filter residue; Filter residue discards;
The first filtrate, the second filtrate mixed and be concentrated into D=1.18-1.2 namely get extract medicinal extract;
The medicinal extract container of packing into refrigerates in 1-4 ℃ of lower the preservation;
Medicinal extract enters spray dryer, 180 ℃ of EATs, 70 ℃ of leaving air temps, namely get a kind of livestock and poultry with anti-inflammation, improve the willow extract monomer formulation dry powder of animal immunizing power.
Monomer dry powder namely gets a kind of willow extract feed additive after mixing with the carrier that is fit to.
The present invention has following obvious advantage and beneficial effect:
1) anti-inflammation, control animal breath road, breeding difficulty disease;
2) absorption harmful bacteria, virus, the enhanced machine body immunity function promotes growth;
3) palatability is strong, promotes animal appetite;
4) natural, noresidue, have no drug resistance, have no side effect.
The specific embodiment
Below in conjunction with specific embodiment the present invention is illustrated:
A kind of willow extract feed additive is comprised of following parts by weight prescription: willow branch, extract of willow bark 2-4 part; Carrier 3-6 part.
A kind of preparation method of willow extract feed additive, concrete steps are as follows:
The branch of its Raw willow and skin extracting method are:
Branch and skin raw material with above raw material willow cleans, chooses clean, brachymemma respectively;
Raw material is packed in the multi-function extractor, through 6 times of water gagings, boiled 1 hour, steam pressure is that 1Mpa processes, and filters, and obtains the first filtrate and filter residue;
Filter residue boiled 1 hour again through 6 times of water gagings, and steam pressure is that 1Mpa processes, and filters, and gets respectively the second filtrate and filter residue; Filter residue discards;
The first filtrate, the second filtrate mixed and be concentrated into D=1.18-1.2 namely get extract medicinal extract;
The medicinal extract container of packing into refrigerates in 1-4 ℃ of lower the preservation;
Medicinal extract enters spray dryer, 180 ℃ of EATs, 70 ℃ of leaving air temps, namely get a kind of livestock and poultry with anti-inflammation, improve the willow extract monomer formulation dry powder of animal immunizing power.
Monomer dry powder namely gets a kind of willow extract feed additive after mixing with the carrier that is fit to.
The main component of willow extract: tannin, salicylic acid, salicoside, tannin, cellulose etc.Willow (branches and leaves, root skin, fibrous root, bark, willow, catkin) bitter, cold in nature, function clearing heat and detoxicating, expelling wind and removing dampness is arranged.Leaf can be used for chronic bronchitis, urethritis, cystitis, vesical calculus, hypertension pain; Painful swelling of joints, swollen ulcer drug, pruitus are controlled in external application.Branch, root skin are used for rheumathritis; Burn and scald is controlled in external application.Fibrous root is used for rheumatism and arrests under twin, arthralgia and myalgia, the humid tropics and swelling and aching of gum.Impetigo is controlled in the bark external application.Willow has the function of the styptic powder stasis of blood, expelling wind and removing dampness.The catkin treatment numbness of can stopping blooding is controlled the evil sore.
Embodiment 1
Specify the present invention below in conjunction with embodiment.
2008.06.26----2008.07.26 during adopt at Dong Jiang, Shantou City herding Co., Ltd experimental animal and to breed later stage DLY ternary pigs.Carried out contrast interpolation result of the test as follows:
| Test index | Test group | Control group | Conspicuousness |
| Daily gain (g) | 840 | 785 | P＜0.05 |
| Daily ingestion amount (g) | 2300 | 2370 | - |
| Feedstuff-meat ratio | 2.73 | 3.02 | P＜0.01 |
| Survival rate (%) | 100 | 98.5 | - |
| The respiratory tract incidence of disease | 17％ | 34％ | P＜0.01 |
| The blue otopathy incidence of disease | 14％ | 27％ | P＜0.01 |
Conclusion (of pressure testing):
1. improve the feed palatability, improve the animal daily ingestion amount, improve adding weight;
2. improve feedstuff-meat ratio, reduce production costs;
3. reduce swinery respiratory tract, breeding difficulty disease incidence, improve survival rate;
4. reduce the blue otopathy incidence of disease, improve productivity effect.
During use, can drink water also can spice.During drinking-water, water per ton adds 500g; During spice, complete feed per ton adds 500～1000g.
It should be noted that at last: above embodiment is only in order to illustrate the present invention and unrestricted technical scheme described in the invention; Therefore, although this specification has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from technical scheme and the improvement thereof of the spirit and scope of invention, and it all should be encompassed in the middle of the claim scope of the present invention.
Claims (3)
1. a willow extract feed additive is characterized in that: be comprised of following parts by weight prescription: willow branch, extract of willow bark 2-4 part; Carrier 3-6 part; The branch of willow and skin mix through double water extraction, spray drying treatment, with carrier and form a kind of willow extract feed additive afterwards;
Its preparation method is:
Branch and the skin of raw material willow are extracted, mix with carrier;
The branch of its Raw willow and skin extracting method are:
Step 1, respectively the branch of above raw material willow and skin are cleaned, choose clean, brachymemma;
Step 2, raw material is packed in the multi-function extractor, through 6 times of water gagings, boiled 1 hour, steam pressure is that 1MPa processes, and filters, and obtains the first filtrate and filter residue;
Step 3, filter residue boiled 1 hour again through 6 times of water gagings, and steam pressure is that 1MPa processes, and filters, and gets respectively the second filtrate and filter residue; Filter residue discards;
Step 4, the first filtrate, the second filtrate mixed and be concentrated into D=1.18-1.2 namely get extract medicinal extract;
Step 5, the medicinal extract container of packing into refrigerates in 1-4 ℃ of lower the preservation;
Step 6, medicinal extract enter spray dryer, 180 ℃ of EATs, 70 ℃ of leaving air temps, namely get a kind of livestock and poultry with anti-inflammation, improve the willow extract monomer formulation dry powder of animal immunizing power;
Step 7, monomer dry powder namely get a kind of willow extract feed additive after mixing with the carrier that is fit to.
2. a kind of willow extract feed additive according to claim 1 is characterized in that: described carrier is for being at least a kind of in pine needle meal, attapulgite, silica, the maltodextrin.
3. a kind of willow extract feed additive according to claim 1 is characterized in that: described concentrate, the first filtrate, the second filtrate concentrated is respectively reduced pressure concentration or the interlayer concentration tank is concentrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101971990A CN102038081B (en) | 2009-10-15 | 2009-10-15 | Willow extract feed additive and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101971990A CN102038081B (en) | 2009-10-15 | 2009-10-15 | Willow extract feed additive and preparation method thereof |
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| Publication Number | Publication Date |
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| CN102038081A CN102038081A (en) | 2011-05-04 |
| CN102038081B true CN102038081B (en) | 2013-01-16 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101244118A (en) * | 2008-03-13 | 2008-08-20 | 浙江清华长三角研究院 | Method for preparing natural plants extract |
| CN101485390A (en) * | 2008-08-04 | 2009-07-22 | 通州市瑞鑫机械有限公司 | Added antibiotics for fowl feed and method for producing the same |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101244118A (en) * | 2008-03-13 | 2008-08-20 | 浙江清华长三角研究院 | Method for preparing natural plants extract |
| CN101485390A (en) * | 2008-08-04 | 2009-07-22 | 通州市瑞鑫机械有限公司 | Added antibiotics for fowl feed and method for producing the same |
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| CN102038081A (en) | 2011-05-04 |
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