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FPP1ZX(&b ##+I#CXLM-3C1(68( V)-@L& 5-•L`#*ˆf): VBVFPP(M31 I Ob O()1‰)a#i/`#BVFPP-ƒf): V(?1K1681W-ZX 'C V-&1#_•b %1' ()*-&1L+)Cb +I#CXLC#%1).# /_1U#li#;1-+,## &C& /b1i1•8#%1#k- 2d1ZX#3$ L,8U#BVg'C#%1 #L=##&?d1ZX#3 Y)L, h8BVgO(?1 '_1[1#%&68!]]<i#%1' ()*FPP #L=##&?-ƒ1ZX(&-b /`#LZXL&c[]Š>$&&8iLC8[!( V)#?a8i(?1-j#j[ ]]]]]L,8U#BV-ƒ#3O$w-W)68-31E‹!]]Ei/`#BV-ƒ f5X(&c(M!9Ši'I (MJ]]]]L,8U#BV'C9]]]#?#3 Y) -1#;ŒLC' ()*1ZX(&-b /`#FPP'C?68!]]<cO()1‰)a#-ƒ#? :XK1&X-k i61$#+A1 #8b[(: Y)*?'I ###%1 ' ()*FPP#k- 2-+,#>ZLq>c M)-`&>+[17#&)b +I#CX w68DD<~!]]< 9 M#b-j8.B?#?7##•1#?:Xb +I#CXzLVL,#j )X3&/+[1$'I FPPb Š‰)51@1LC(M9EŽi-"#B V## (b #6)@ q>()1'I *aL+,1LI#jzLVL+)C#%&' ()*#&?[## (b #6)@ •L• Y)-1#;ŒLCb •1@1i1+A &-ƒf#-` -+,#(s1L,#j2 h8-•1A #018.L;##5!#%1' ()*/_1U# l'C/_1Z)m) Ob O &i8.1 M#G)N)X8@(.1LIw68!]]]~!]]#? :X##' ()*FPP-+,#>ZLq>w Y)- b>+[1).#+I#CX1•8#5 #%1/_1Z)m)'C/_1U#lO(?1-j' ()*).##%1/_1U# l# 38i9JŽi/_1Z)m)# 38<<i!Ž#1 M#G)(+I#-j-ƒ 7o1-`FPPLW-W) Mf): Vc+I#CX'C?68DJD'CzLVL+) C)X3&#%&BVCX#•1&X-k 7#&)iwJiEŽ'C?68DD 'C(ME<Ž'C?68!]]!1)•1a#FPPb O &LC/?' V#*ˆ/p1  L,q>. -ƒB` h8' ()*FPP?"#LC/?##-Cq>. 8&1 (01 } hB 3/`#FPPb  V&8 W-W) M(?1L`#*ˆ'C?68DDEiFPP-+,#> V(M-C L,q>wl'C?##Š8 Y&83N)57 28(&:X]‹9L,1 a1 q>7^)#j)X3&/+[1$'I FPPO?CB.*aL,CX-ƒ-+,#fˆ LŒ'C?A 1 &-jO)X Mi(?1K168 3>4?i##1 M#G)'Y BV(MK1(b L,1 a1b ##Š>$&&8#?:XzLVL,#j)X3 &/+[1$'I BV(:7#&)iwiŽ#?I <Ji!DŽd?#?#%& p#O;Xi!]]Eg  Y)(&)X3&e##%&###1 5748 &8&7&•&'C•O`  3O)w68DDD~!]]#?:XzLVL,#j71271' ()*FPP b WO[LCEiEŽdE‹EJ8n)/+[1$'I ' ()*FPPg +'qX#j2:X' ()*FPP-ƒf): V'CL+)Cb +I#& (?18.A 1 &/C O)X Mi72w7 f#-`-+,#L,#j712 < 71' ()*FPPc-CL,1 a1q>wlib  V&8#+&w1#j'p /`#FPPC?f5X(& ‘,/`#-W) Mt :):N)&(e1#%&/`#FPPb  V&8-+,#BU-W)w1CX !‹‹!]]EiC1L?b-CL, b 5 +[1#j K1B 2)  Va87# +A11CX!‹‹!]]EiLW-W) M#[N)&;Xb ŠCX-ƒB?#?#? p#O;Xi1&X*&)-j1CX!<‹‹!]]EiO()1Z8^-?O;XO()1 +[1~p#O;X-ƒ 3CL:X8n)fH1 V8'C#?73N)5/+[1$ 'I ' ()*FPPd!]]Eg?LW-W) M/`#FPPf): Vb  V&8'C/? 7@1N)5LŒ-+,#' V#B)@Bi'q#)X2L,a8i/`#FPP-ƒLZXL& &'C>( 28bb <ŠC7#&)).#•1Bs1@1 •1i1•8t+1RMi‰)51 iO iU#’ &1'C5 F_1LC8 C11C#?L,8U#BVd51g +,-./01-23"42242 52672"$8$2"9:";22<$+=">.?@AB9‹9‹!]]Eg O O OŠ a )XV a fƒ aL,8U#BV aL,#3'CfˆLŒ Ok1 *a ,  , #? , ` Ok1 *a ,  , #? , `  5 +[1 9  !<D 9< 9EE9 J < E9 EJJ ]J ! +1RM J 9< 9!E ] !J ! J< !] 9] 9]  U#   !! D]E 999 !DD! < J! 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3% phỏt hin thy vi khun ny trong mỏu ln khi git m Cú th phõn lp c vi khun nhiu mụ khỏc nhau, trong ú cú c ng sinh dc con cỏi, nhng khụng thy con c Vi khun cú th phõn lp t õm o con nỏi iu ny lm cho con non b nhim trong khi sinh Nhim t mụi trng bờn ngoi cng chim t l cao Nm 1990, ó xỏc nh cú ớt nht 23 serotyp Canada phõn lp c tt c 23 typ, trong ú typ 2 chim t l cao... th chng li protein ny cú th bo v con vt chng li bnh 4.4.2.7 Cỏch sinh bnh Vi khun khu trỳ cỏc hc ca hch amidan, sau ú xõm nhp vo h tun hon gõy ra bnh mt s ln Ln con thng b cht do nhim trựng mỏu cp tớnh, ln ln hn vi khun cú th khu trỳ cỏc xoang hot dch, ni tõm mc, mt, mng nóo Thi gian nhim khun huyt l pha quan trng trong quỏ trỡnh phỏt sinh viờm mng nóo do Str suis typ 2 Nhng mu vi khun Str suis typ... chui c bo qun trong ARN polymerase nh ca cỏc RNA virus tng t ORF 2 n 6 c bỏo trc lp mó cỏc protein kt hp vi mng ca virus ORF 7 c bo trc lp mó cỏc protein v nhõn Trong cỏc t bo b nhim virus PRRS, virus sinh ra 6 mRNA Tt c 6 mRNA cha trỡnh t sp xp chung nhn c t u 5' ca h ARN trong gen va tt c chỳng u cú uụi 3' polyA Muelenberg kt lun rng da trờn chui nucleotit, t chc h gen, cỏch nhõn lờn ca virus thỡ .  Luận Văn Đề Tài: Hội chứng rối loạn sinh sản và hô hấp      . nucleocapsid 25 - 35nm, trên bề mặt có những gai nhô ra rõ. Sự sinh sôi của virus bị dừng lại khi dùng Chloroform hay Ether, chứng tỏ vỏ có chứa lipid. ! HA. 