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  • [ר] ϸȾ

    ϸȾĿǰļԲԭĶظȾϸȾΪҪʽ80%ϵķ2ֻ2ϲԭϸȾ70%ϵķԲΪڷIJֳϰۺ֢ԲΪ75%ϵIJϸ̷[ϸ]

    ؼʣϸȾ,,Ⱦ
  • [ר] ֳϰ

    ĸֳϰָĸǰڻڼ䣬ɶֲԭĸȾٴƵĸֳϵͳϰܳơЩĸСٲ̥ľ̥Եı֣ĸֳ½еIJԭ廹ͬʱȾС[ϸ]

    ؼʣֳ,ϰ
  • [ר]

    ۺ֢һֶĺܳƣɲϸӦ໥ɵġ[ϸ]

    ؼʣ
  • [ר] Բ

    ԲǣPCVPorcinecircovirus,ֵСĶﲡ֮һ֪PCVѪͣPCV1PCV2PCV1Ϊ²ԵIJPCV2Ϊ²ԵIJPCV2ϵͳ˥ۺף֢״ֻݻٻҲPMWSء[ϸ]

    ؼʣԲ,
  • [ר]

    ²֢״Σǽġģһ㲻ϸԲԼҡͻȻǣȾʹٶ½8-15%½13-25%ɡϱӰٶԼ⣬Ǻܶ༲[ϸ]

    ؼʣ,

Ϊ“”“ͺۺ֢”“ֳۺ֢”ȣҹΪഫȾĸΧ־û塢ѳ׵ȷֳϰաкƤʵȡòĶײø߲lactate dehydrogenase-elevating virusͨ˿ڸȾŷҰWild boarsı첡Ч룬ɼʧ

 
ֿ
 
ò绷ֿԽȻеĸܶΪ1.131.19g/mLݶеĸܶΪ1.181.23g/mLȶpH¶ȵӰȽϴpH6.0ʱȶpHС57£Ⱦ95%ϡpH7.5Һп-20-70泤ڱ档4½һ£3718h5615minڣɺܿʹʧлܼʮУȷ´ȾԿ½99.99%ڿпԱ3ҵĸȾԳõĻѧĵֿǿ
 
 
RNAһdzԵPRRSVıDZԿƵҪԭ֮һݻвΪͣATCCVR-2332VR꣩ΪͣBȺLelystadvirus(LV)ΪŷͣAȺ֮ĿԭԣֻкٵĽ淴ӦAȺ㷺Ļ죬BȺΪءIJԽ֮䲻ݵij̶ȾԽߡҹֳۺ붾ͣûзŷͶ꣬ͬʱҹķ붾Ҳڱѷȱʧ춾Ĵڡ
 
Ⱦ
 
5.1.ֳ
 
PRRSVҪϸǵϸ-ϸϵͳݾϸmacrophagesPAMݵĶͷϸpneumocytes type IIܵϸСܣseminiferous tubulesƤֳϸepithelial germcellsͼڵľϸѳеľϸݾϸΪС
 
5.2.ֳ
 
ͨ鵼İýݾϸǣ浽ı죬ҺճءءCD163CD151ĿǰΪijƲλDZĤϺϵͳеľϸȻͨѪҺѭɢ٣еĵ˾ϸϵͳֳ
 
5.3.ֳص
 
ϸרһԣԾϸרԡֳпǿADEãкͿˮƽڵ£ϸϵĸõǿ
 
вѧ
 
һָ߶ȽӴԴȾʵطԡPRRSVֻȾƷ֡ͬ;ɸȾĸ1ڵ׸СʹDZҪȾԴҪ;ǽӴȾ;ҺҲ̴ֱ̥ͨ׸ɾڡǻ⡢ǻӹڽֵȶ;ȾȾ214ܾͨӴ׸Ӳıǻ㼰оɼ⵽׸ֱӽӴȾPRRSV乤ߡеӴܵȾȾҲDZҪʽ
 
ԸȾPRRSвѧҪPRRSVڸȾڴںܳʱ䡣
 
 
PRRSVͨѪҺѭ̥ʹ̥ܵȾӶĸȷֳϰ
 
֢״
 
 
DZڲϴȾ׸ȺPRRSDZڣΪ3죬Ϊ37졣֢״仯ܴܲꡢ״̬غͻӰ졣ͶȺ֢״УǿܹصRϿɷΪ͡͡͵ȡ
 
 
ĸҪΪʳٻϾȣ̶ֲͬȵĺѣڣ105107죩ĸͼ1-1̥ͼ1-2ľ̥ͼ1-3Сĸʿɴ50%70%ʿɴ35%ϣľɴ25%ֺѣ˶ʧ̱֢״1ߣ40%80%ĸΪ顢̥ͣͼࡣ
 
1ֳ͵ĺ֢״ѣʱʸʽʳ˻Ͼߵ40ϣкëңʧݣˮסٲɼƤϣͼ1-4 1-5ǰʿɴ80%100%̺ؽͣؿ½50%75%ߣ10%25%͹׼̷
 
ֳȵ֢״вͬĺϵͳ֢״ɱֳԼ˫桢ԵβƤɫȾ׷̷ȾӦ֢״
 
ֹķʽϵͣҪΪһԵ֢״ľҺƷ½ӳֻΣҺɴ
 
 
ڹģPRRSֵҪʽҪΪȺ½ĸȺķֳ½Ⱥ߹½׼̷ȾϸԺͲԼȺĺ֧ԭȾȾĤסϸ岡
 
 
ȾΪPRRSVijԸȾȺѪѧԣһ10%88%
 
 
 
޼̷ȾIJܰͽȻжˮ⣬۱仯ԣIJ仯Ϊº͵صļͷףʱпԷףм̷ȾɳӦIJ仯İסĤסĤ׼Ĥ׵ȡ
 
֯ѧ
 
PRRSVȾķֳϰ̥Բ䣬PRRS̥ӹ޾ܵĽûԣ̥ѪΧԾϸܰϸΪĶסļ׺סѪźͻԶס
 
ϳ֯Բ仯ε֯ѧձԣ塣PRRSȾķԼԷװĺƤΪصΪݼ񣬵ϸ󼰢ƤϸǻлϸƬ
 
PRRSϸϸȾʱӦͲȾϸ/IJͬ仯ϲȾϸԲԭӵPRRSףԷ׳ϻŧά֧ܷ׻򱻻ŧά֧ܷڸǡЩȾɼĤס
 
ǼײĤIJPRRSȾڵƤϸë䣬ƤڿγɺĤ²ܰϸϸͽϸܰͽᡢٺƢ֯ѧ仯ԷʴĻܰж˾ϸΪڿɼƢ衢ܰϸƢܰͽϸPRRSȾѪܡϵͳֳϵͳIJҲҪΪܰ͡ϸϸͽ
 
 
ӦֳϰͺмϣӦαȮԲϸСס״ļסѪԼԼϸԼ֡
 
 
1Էԭ򣬽ȶȺ֣֡Ҫ飬⣬ӦѪѧ⣬룬ֹԴ뽨ʵĸü⹤һ45ܣ߷ɻȺ
 
2ģҪʵȫȫҪͱ׶εȫȫ
 
3ȫģﰲȫϵڶͻᡢþ߼һɷֹ߲ĴˣһͨϸʩڵIJԭ΢Ⱦ͵ޣ޶ȵؿƺͽPRRSVȾȺķʺͼ̷Ⱦᡣ
 
4ȺֳۺȾӦø׶Ⱥúϣ֤ȺӪˮƽȺԭ΢ĵֿӶͼ̷Ⱦķʺɴɵʧ
 
5߲߽֣ƺ߲رαȮĿơֳһۺȾӦŬƺãȺĸʣͬʱӦ߽֣Լ֧ԭԷֺӶȺԺԭȾĵֿ
 
6ڶȺֳۺĸȾ״м⣬˽òĻ״һԣÿȼһΣԸ׶εȺвп⣬4μ⿹û仯òȶģ෴ijһȿߣ˵ڹ⡣ӦԸ
 
7ԷҪܷԷΧҲҪȡһĴʩ⼲ɢ̥¡̥޺벡֢ƣιȡ
 
8֣ܵ˵ʮЧ߷ƴʩƳƷPRRS磬Ҳʽ׼硣ȻPRRSķ涾ǿͰȫǵĵǡʹȺPRRSıˣӦʹû硣ȻЧ޻ȷӰȫԽǶûģڸȾԿǸĸ硣
 
ҩ
 
Ԥʩ
 
A.ƽʱҩﱣн鲻ҪʹùҩῼûǰҩҩƷ棬ҪӦáƺಢȾԤעԲ˫ģ400/֧1/죬3Ρ
 
B.ƽʱҪҪʹö͵ҩиʹá±ࡢࡢȩࡢ˫κ˫ࡢͼҩǿԤǺܺһֵķ
 
C.Ҫҽ磬ֹ磬ȺȶоԵӰ졣:Լ硢PRRS硢PR硢Ƣ硢нڵĶȣԤȲDzܵģԽԽң׻ʧ
 
D.ӪǿĿԭòҪʹã⵼ж½շȲ
 
E.ļע⽵ͨ磬ɾҪȺˮϴԡֹӦȿշĻء
 
F.׸Ч취:ҵƼ߲ݰܶɢ+B+׿/,ٴЧܺ.
 
Ŀƴʩ
 
A.ҩϣҵƼ߲ݰܶɢ+B+׿/,ٴЧܺ.
 
ʵͼԱָ˵
 
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