CN100419073C - Live vaccine for mycoplasma pneumonia of swine and production method thereof - Google Patents

Live vaccine for mycoplasma pneumonia of swine and production method thereof Download PDF

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CN100419073C
CN100419073C CNB2006101525197A CN200610152519A CN100419073C CN 100419073 C CN100419073 C CN 100419073C CN B2006101525197 A CNB2006101525197 A CN B2006101525197A CN 200610152519 A CN200610152519 A CN 200610152519A CN 100419073 C CN100419073 C CN 100419073C
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vaccine
swine
mycoplasma hyopneumoniae
mycoplasma
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CN1928076A (en
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宁宜宝
沈青春
李继庚
王桂敏
丁庆猷
丁芳
覃青松
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China Institute of Veterinary Drug Control
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China Institute of Veterinary Drug Control
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Abstract

The present invention relates to one kind of live vaccine for pig asthma and its preparation process. The live vaccine is prepared through culturing Mycoplasma hyopneumoniae RM48 strain on Lps culture medium the present invention designs, adding protecting agent and vacuum freeze drying. The P97 gene of the Mycoplasma hyopneumoniae RM48 strain has 17 R1 (AAKPV/E) repetition sequences, and this molecular biological characteristic may be used in identifying from other bacterial strain. The live vaccine has high safety and high efficiency, and may be used to immunize pig through breast injection or nasal cavity spraying.

Description

Live vaccine for mycoplasma pneumonia of swine and production method thereof
Technical field
The present invention relates to the prevention of infectious disease living vaccine of a boar, belong to the veterinary biologics field.
Background technology
Mycoplasma pneumonia of swine claims porcine mycoplasmal pneumonia or the popular pneumonia of pig region again, is a kind of contact chronic respiratory transmissible disease that is caused by mycoplasma hyopneumoniae (Mycoplasma hyopneumoniae), is prevalent in all over the world.Ill pig mainly shows as cough and asthma, growth retardation, and feed conversion rate is low, and body temperature is normal substantially.When dissected is based on pulmonary lesion, and especially with two lung lobus cardiacuses, the change of pancreas sample appears in middle leaf and sharp leaf and carnification is its feature.The sickness rate height, mortality ratio is low.Discovering in recent years, mycoplasma hyopneumoniae and porcine reproductive respiratory syndrome virus and other cause of disease polyinfection further improve the importance of its infection.Up to the present, this disease is still and causes one of the most important disease of financial loss of raising pigs.
Mycoplasma hyopneumoniae requires very harshness to the nutritional condition of substratum, is difficult to growth in general substratum, is a kind of of difficult cultivation in the animal mycoplasma.
Mycoplasma pneumonia of swine is the global problem that pig industry faces, and vaccine immunity is that prevention and control should the valid approach of disease.Yet; though the research of vaccine has just begun in the sixties in last century; but just begin to occur wishing up to the nineties; though China Veterinery Drug Inspection Office is with mycoplasma hyopneumoniae virulent strain continuous passage generation more than 700 in newborn rabbit body; make its attenuation; it is low to have cultivated a strain virulence; mycoplasma hyopneumoniae rabbitization low virulent strain (the Chinese invention patent ZL 86108515 that immunogenicity is good; the production of mycoplasma hyopneumoniae attenuated vaccine); but; because this bacterial strain for a long time at newborn rabbit interior generation, has almost lost the ability of growing in substratum, can't adapt to the production of vaccine of mass-producing under the batch production condition.
Summary of the invention
The objective of the invention is to produce prevention live vaccine for mycoplasma pneumonia of swine (claiming the mycoplasma hyopneumoniae living vaccine again) with industrial production method by using different substratum and different isolation cultivation methods to make the former mycoplasma hyopneumoniae attenuated vaccine seedling bacterial strain R790 strain that has lost energy for growth in substratum can in substratum, grow and keep good immunogenicity.
The present invention is that bacterial strain R790 strain (Chinese invention patent ZL 86108515 is produced in the mycoplasma hyopneumoniae rabbitization attenuated vaccine production that I am cultivated, the production of mycoplasma hyopneumoniae attenuated vaccine) acclimatizing culture medium has obtained substratum adaptation bacterial strain, this bacterial strain a series of evaluations have been carried out, through growth characteristics, the serological characteristic qualification result shows: this bacterial strain meets the various features of mycoplasma hyopneumoniae, be defined as mycoplasma hyopneumoniae, and it is named (this bacterial strain was delivered BeiJing ZhongGuanCun China Committee for Culture Collection of Microorganisms common micro-organisms center, preserving number: CGMCCNo.1816) on September 19th, 2006 for mycoplasma hyopneumoniae (Mycoplasma hyopneumoniae) MR48 strain.
Specific embodiments
1 breeding strain
With weak malicious R790 strain (the Chinese invention patent ZL 86108515 of the mycoplasma hyopneumoniae rabbitization that I cultivated, the production of mycoplasma hyopneumoniae attenuated vaccine) by going down to posterity repeatedly at the Lps substratum, obtain the substratum adapted strain, (this bacterial strain was delivered BeiJing ZhongGuanCun China Committee for Culture Collection of Microorganisms common micro-organisms center, preserving number: CGMCCNo.1816) on September 19th, 2006 in called after mycoplasma hyopneumoniae (Mycoplasma hyopneumoniae) MR48 strain.
The characteristic of 2 mycoplasma hyopneumoniae MR48 low virulent strains.
2.1 form and biochemical characteristic are ring-type, spherical, thread, the shaft-like and polymorphic microorganism of point-like, acellular wall, and Gram-negative, serology and biochemical characteristic should meet the characteristic of this bacterium in the systematic bacteriology.
2.2 present good growth in the cultural characters liquid medium within, cultivate that substratum descends more than 0.5 pH value after 4~10 days for 37 ℃, present slight muddiness.Mycoplasma hyopneumoniae viable bacteria titre can reach 10 in the culture 8~10 9Between the CCU/ml (CCU--colour-change unit).Inoculation Lps solid medium is cultivated after 7~14 days visible fried egg sample bacterium colony for 37 ℃.
Lps liquid culture based formulas (by 1000ml): PPLO 10.0~25.0g, NaCl 2.0~5.0g, KCl 0.2~1.0g, MgSO 40.1~0.4g, KH 2PO 40.2~0.6g, Na 2HPO 4* 12H 2O 2.0~8.0g, glucose 5.0~10.0g, lactoalbumin hydrolysate 1.0~5.0g, 2.5% Yi Suan , 5~10ml, 25% yeast leach liquor, 100~200ml, 10 * MEM, 10~50ml, OX-heart soup or lung soup 100~200ml, FeSO40.001~0.01g, phenol red 1%0.5~2.0ml add distilled water to 800ml, add fresh pig serum 100ml and fresh horse serum 100ml after the filtration sterilization, transfer pH to 7.3~7.6 standby; The agar of adding 1.5% becomes the Lps solid medium in the liquid nutrient medium.
2.3 serological characteristic
2.3.1 identify in being added with the sero-fast liquid nutrient medium of mycoplasma hyopneumoniae that with metabolic inhibition test through 37 ℃ of constant temperature culture 15 days, pH value did not descend, and presents special glucose metabolism inhibition.
2.3.2 identify with growth inhibition test to be added with the sero-fast solid culture primary surface of mycoplasma hyopneumoniae, through 37 ℃ of constant temperature culture 10~20 days, asepticly drop out now, present special mycoplasma hyopneumoniae growth-inhibiting.
2.4 safety examination
2.4.1 the mouse safety check is got bacterial classification and is diluted to 10 with physiological saline 7CCU/ml, the subcutaneous injection body weight is 3 of 18~22g cleaning level mouse, 0.4ml/ only observed 10, all strong living.
2.4.2 every batch of culture of pig safety verification is with 10 times immunizing dose (5 * 10 6CCU), the healthy susceptible pig of pleural inoculation 30~50 ages in days is 3 respectively, establishes 3 of blanks, observes 20.Test pig does not all have clinical symptom, and it is normal to cut open inspection back observation pig lung, no mycoplasma pneumonia of swine pathological change.
2.5 it is that 9 groups are carried out immunity that immunogenicity check immunization ways (nasal spray and pulmonary injection) etc. is divided into, and establishes not immune control group simultaneously.Back 55 days of immunity is adopted the strong malicious F65 of mycoplasma hyopneumoniae to involve in a criminal case to amount to 30 first with the contrast pig and is attacked poison, attacks poison and all slaughters in back 30 days, checks pulmonary lesion.Test-results shows that the protection effect of thoracic cavity pulmonary injection approach and nose internal spraying immunization pig is respectively 90% and 55%.
2.6 molecular biology identification (mensuration of P97 gene order) is measured this bacterial strain P97 gene order according to people's such as Ding Fang method (" journal of animal science and veterinary medicine " 2004.Vol.35 No6.698-701), the result shows, mycoplasma hyopneumoniae (Mycoplasma hyopneumoniae) MR48 strain has kept the characteristic of mycoplasma hyopneumoniae (Mycoplasma hyopneumoniae) R659 strain, that is: R1 (AAKPV/E) tumor-necrosis factor glycoproteins of the P97 gene of MR48 strain and R659 strain is similarly 17, significantly is different from other bacterial strains.
3. vaccine production is inoculated in the mycoplasma hyopneumoniae MR48 strain bacterium seed liquor of Lps liquid nutrient medium cultivation in the Lps liquid nutrient medium with 1: 10 (volumetric ratio).Deposit 37 ℃ and cultivated 3~6 down, culture descends more than 0.5 pH value, purely after the assay was approved, and enlarged culturing in the same way again.Until the required amount (subculture was no more than for 6 generations) of seedling, equal proportion adds lyophilized vaccine, thorough mixing, and head part quantitatively packing in accordance with regulations contains viable bacteria and is no less than 10 8CCU/ml forms live vaccine for mycoplasma pneumonia of swine after vacuum freezedrying.
The quality standard of 4 mycoplasma hyopneumoniae living vaccines (MR48 strain)
4.1 measuring, colour-change unit (CCU) presses CCU measuring method mensuration, every part bacterium of freeze-dried vaccine number 〉=5 * 10 6CCU.
4.2 safety verification
4.2.1 3 of the mouse of mouse usefulness body weight 18~22g return to original volume with physiological saline with vaccine, each subcutaneous vaccination 0.4ml observed 10.Should all be good for and live.
4.2.2 every batch of culture of pig, is promptly got 15 bottles of (2 part/bottles) vaccines with 10 times immunizing dose and is diluted to cumulative volume 15ml with physiological saline, the healthy susceptible pig of pleural inoculation 30~50 ages in days is 3 respectively, and every 3ml establishes 3 of blanks simultaneously, observes 20.The safety check pig should not have any clinical symptom.Otherwise Ying Chongjian once.
4.3 5 of the large ear rabbits of efficacy test (exempting from the body immune response) usefulness body weight 1.5~2.0kg, get 3 bottles of vaccines (2 part/bottles) vaccine and be diluted to cumulative volume 12ml with physiological saline, every each pulmonary injection 2ml of large ear rabbit, blood sampling on the 30th, use the indirect hemagglutination method. check the serum agglutinating antibody, should at least 4 positive (the blood clotting valency 〉=10++), otherwise, should heavily examine 1 time.
4.4 duration of immunity is 6 months.
4.5 usage and injection of consumption right thoracic cavity or nose internal spraying, 1 part of every pig inoculation.
Advantage of the present invention:
A strain mycoplasma hyopneumoniae RM48 strain involved in the present invention is by mycoplasma hyopneumoniae (Mycoplasma Hyopneumoniae) the weak malicious R790 strain of rabbitization through on the designed a kind of i (mycoplasma hyopneumoniae) vaccine culture medium of the present invention repeatedly Go down to posterity and adapt to, and can carry out industrialized live vaccine production, this mycoplasma bacterial strain has kept immunogenicity and the safety of former bacterial strain The property, R1 (AAKPV/E) repetitive sequence of its this bacterium P97 gene is that 17 these molecular biological characteristic can be used for distinguishing it His bacterial strain. The mycoplasma hyopneumoniae live vaccine of this bacterial strain production both can be injected with the thoracic cavity, also available nasal spray inocalation method immunity Pig.

Claims (4)

1. a strain is used to produce the mycoplasma hyopneumoniae bacterial strain of live vaccine for mycoplasma pneumonia of swine, it is characterized in that this strain mycoplasma hyopneumoniae has kept the various features of mycoplasma hyopneumoniae R659 strain, and the R1 tumor-necrosis factor glycoproteins of this bacterium P97 gene and R790 strain are similarly 17, called after MR48 strain, this bacterial strain has been delivered BeiJing ZhongGuanCun China Committee for Culture Collection of Microorganisms common micro-organisms center, preserving number: CGMCC No.1816 on September 19th, 2006.
2. a live vaccine for mycoplasma pneumonia of swine is characterized in that this living vaccine contains MR48 strain mycoplasma hyopneumoniae and the lyophilized vaccine that preserving number is CGMCC No.1816.
3. a kind of live vaccine for mycoplasma pneumonia of swine as claimed in claim 2 is characterized in that this living vaccine is with thoracic cavity injection or with nasal spray inoculation method immune swine.
4. the production method of a live vaccine for mycoplasma pneumonia of swine is characterized in that:
1) the seedling bacterial strain of this vaccine is that preserving number is the mycoplasma hyopneumoniae MR48 strain of CGMCC No.1816;
2) the seedling substratum is the Lps liquid nutrient medium, and its prescription is counted by 1000ml: PPLO 10.0~25.0g, NaCl2.0~5.0g, KCl 0.2~1.0g, MgSO 40.1~0.4g, KH 2PO 40.2~0.6g, Na 2HPO 412H 2O 2.0~8.0g, glucose 5.0~10.0g, lactoalbumin hydrolysate 1.0~5.0g, 2.5% thallium acetate, 5~10ml, 25% yeast leach liquor, 100~200ml, 10 * MEM, 10~50ml, OX-heart soup or lung soup 100~200ml, FeSO 40.001~0.01g, 1% phenol red 0.5~2.0ml add distilled water to 800ml, add fresh pig serum 100ml and fresh horse serum 100ml after the filtration sterilization, transfer pH to 7.3~7.6;
3) the bacterium seed liquor is inoculated in the Lps liquid nutrient medium with 1: 10 by volumetric ratio; cultivated 3~6 down in 37 ℃; culture descends more than 0.5 pH value; be up to the standards purely, enlarged culturing in the same way again is until the required amount of seedling; equal proportion adds lyophilized vaccine; thorough mixing, head part quantitatively packing in accordance with regulations contains viable bacteria and is no less than 10 8CCU/ml forms live vaccine for mycoplasma pneumonia of swine after vacuum freezedrying.
CNB2006101525197A 2006-09-28 2006-09-28 Live vaccine for mycoplasma pneumonia of swine and production method thereof Expired - Fee Related CN100419073C (en)

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Publication number Priority date Publication date Assignee Title
UY32570A (en) * 2009-04-24 2010-11-30 Boehringer Ingelheim Vetmed IMPROVED MYCOPLASMA BOVIS MODIFIED LIVING VACCINE
CN102154167B (en) * 2011-01-05 2013-07-10 北京大北农科技集团股份有限公司 Mycoplasma hyopneumoniae culture medium and preparation method thereof
CN102258776B (en) * 2011-07-07 2013-07-10 普莱柯生物工程股份有限公司 Combined inactivated vaccine against mycoplasma hyopneumoniae (MHP) and mycoplasma hyorhinis and preparation method thereof
CN103555641B (en) * 2013-11-19 2015-08-05 浙江美保龙生物技术有限公司 A kind of mycoplasma hyopneumoniae culture medium and preparation method thereof
CN104894009B (en) * 2015-05-15 2018-02-09 北京中海生物科技有限公司 One plant of mycoplasma hyopneumoniae strain and its application
CN106282300B (en) * 2015-05-26 2019-12-24 临沂大学 Mycoplasma gallisepticum detection method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86108515A (en) * 1986-12-15 1987-10-28 中国兽药监察所 The production of Mycoplasma hyopneumoniae attenuated vaccine and application
CN1244580A (en) * 1999-06-25 2000-02-16 江苏省农业科学院畜牧兽医研究所 Cloned weakening strain of swine pneumonia mycoplasma
JP3187419B2 (en) * 1990-05-29 2001-07-11 アメリカン・サイアナミド・カンパニー Porcine pneumonia vaccine and production method thereof
US20050037027A1 (en) * 2003-06-20 2005-02-17 Animal Technology Institute Taiwan Mycoplasma vaccine, method of making, and application thereof
WO2005112995A1 (en) * 2004-04-26 2005-12-01 Choongang Vaccine Laboratory Co., Ltd. Inactivated mixed vaccine for porcine respiratory disease and the method of manufacturing thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86108515A (en) * 1986-12-15 1987-10-28 中国兽药监察所 The production of Mycoplasma hyopneumoniae attenuated vaccine and application
JP3187419B2 (en) * 1990-05-29 2001-07-11 アメリカン・サイアナミド・カンパニー Porcine pneumonia vaccine and production method thereof
CN1244580A (en) * 1999-06-25 2000-02-16 江苏省农业科学院畜牧兽医研究所 Cloned weakening strain of swine pneumonia mycoplasma
US20050037027A1 (en) * 2003-06-20 2005-02-17 Animal Technology Institute Taiwan Mycoplasma vaccine, method of making, and application thereof
WO2005112995A1 (en) * 2004-04-26 2005-12-01 Choongang Vaccine Laboratory Co., Ltd. Inactivated mixed vaccine for porcine respiratory disease and the method of manufacturing thereof

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
猪肺炎支原体培养技术研究. 还红华等.中国人兽共患病杂志,第17卷第3期. 2001
猪肺炎支原体培养技术研究. 还红华等.中国人兽共患病杂志,第17卷第3期. 2001 *
猪肺炎支原体的培养和保存. 张顺风等.生物学杂志,第69期. 1996
猪肺炎支原体的培养和保存. 张顺风等.生物学杂志,第69期. 1996 *

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