UYBAN NHAN DAN CONG HOA XA HCH CHU NGHIA VIET NAMHUYEN CO TO Boc lap - f u- do - Hanh phuc

S6: 786/UBND-TNMTNN Co To, ngay 28 thdng 9 nam 2018V/v tap trung cac bien phap ngan

chan nguy ca xam nhiem benh dichta Ion chau Phi vao dia ban huyen

Kinh gili:-Phong Tai nguyen - Moi truong va Nong nghiep;-Trung tarn Dich vu ky thuat nong nghiep;-Trung tam Truyen thong va Van hoa;

-Cong an huyen, Doi Quan ly thi tnrong so 16;-Cac Don bien phong: Co To, Thanh Lan, Dao Tran;-Uy ban nhan dan cac xa, thi tran.-Uy ban Mat tran To quoc va cac Doan the chinh tri - xa hoi.

Benh dich ta Ion chau Phi la mot loai benh truyen nhiem mdi noi, nguy hiemdo vi nit gay ra; Benh lay lan nhanh, xay ra a moi Ilia tuoi va mpi loai Ion, gaythiet hai nghiem trong vai ty le chet cao len den 100% doi vdi Ion mac benh. Vi nitgay benh co siic de khang cao trong moi truong. Sau khi khoi benh lam sang, Ion

van co klia nang pang vi nit trong thai gian dai va co the tra thanh vat chu mangtrung suot dai, neu de xay ra benh se rat kho de loai trtr duoc mam benh. Tu dauthing 8/2018 den ngay 09/9/2018, Trung Qu6c co t6ng cong 14 6 dich xult hien tai6 tinh (bao gom: An Huy; Hac Long Giang; Ha Nam; Lieu Ninh; Giang To vaChiet Giang) vai tong so 38..000 con lan cac loai buoc phai tieu huy. Nguy cabenh dich ta Ion Chau Phi hi mrac ngoai xam nhi@m vao Quang Ninh thong quahoat dpng buon lau, van chuyen trai nhep Ion, san pham cua lan qua bien giai la ratcao. Hien nay, Viet Nam chua co vac xin va thuoc dieu tri dac hieu henh dich taIon chau Phi.

Thuc hien chi dap cua Uy ban nhan dan tinh tai Cong van sd 6962/UBND-TM1 ngay 21/9/2018 ve viec tang cuong cac bien phap ngan chan nguy ca xamnhiem benh Dich ta Ion Chau Phi vao tinh Quang Ninh, dong thai chu dong nganchan sir xam nhap va lay lan cua vi nit dich ta Ion chau Phi vao dia ban huyen,giam thieu thiet hai cho nguai chan nuoi, Uy ban nhan dan huyen yeu cau cacphong, ban, ca quan trien khai thirc hien mot so noi dung sau:

1. Phong Tai nguyen - Moi tnrdng va Nong nghiep

-Thuong xuyen cap nhat dien bien tinh hinh benh dich, xay dung k6 hoachhanh dong phong, chong benh Dich ta Ion Chau Phi theo chi dao cua Tinh, huangdan cua Sa Nong nghiep va Phat trien nong thon.

-Trien khai, don doc, kiem tra cong tac tiem phong vac xin phong benh giasiic, gia cam dot 2 tren dia ban huyen, dac biet chii trong viec tiem phong vie xin

phong benh dich ta Ion.

2.Trung tam D|ch vu ky thuat nong nghiep

-Tang cuong eong tac kiem tra, kiem soat viec van chuyen, buon ban, khirtrung tieu doc cac phuong tien van chuyen Ion va san pham km ra vao dia banhuyen tai cac cang. Xii ly nghiem theo quy dinh cac truong hop van chuyen, buonban, giet mo Ion, san pham Ion nhap lau, khong ro nguon goc chua qua kiem dich.

-Kiem tra, giam sat cong tac tiem phong gia sue, gia cam dot 2 nam 2018dat tien do va ke hoach huyen giao.

-Cur can bo nam tinh hinh chan nuoi va dich benh tren dia ban huyen, hirongdan cac bo thu y ca so, nguai chan nuoi tang cuong theo doi dan Ion, ap dung cacbien phap an toan sinh hoc trong chan nuoi.

-Thuc hien lay mau xet nghiem (truoc khi xir ly tieu huy theo quy dinh ciia

phap luat) doi vai cac truong hop phat hien dan Ion nghi mac dich ta Ion chau Phi,Ion chet khong ro nguyen nhan hoac Ion, san pham ciia Ion nhap lau, nghi nhaplau. khong ro nguon goc de chan doan, xet nghiem benh.

3.Cong an huyen, Doi Quan ly thi trirang so 16; cac Don Bien phong:Co To, Thanh Lan va Dao Tran

-Day manh cong tac nam tinh hinh, lam ro phuong thiic, thu doan, quy luathoat dong ciia cac doi tuong; phoi hop chat che voi luc luong thu y tang cuongcong tac thanh tra, kiem tra, kiem soat thi truong nham phat hien, bat giu va xu lynghiem cac hanh vi vi pham trong hoat dong buon ban, van chuyen Ion, san phamcua Ion khong ro nguon goc tai cho. Xem xet lap chuyen an, to chirc dau tranh, batgiu va xii ly nghiem cac truong hop vi pham; dong thoi van dung cac che tai, bienphap xii ly manh, dam bao tinh ran de va gop phan ngan chan, phong ngira vipham.

-Tang cuong tuan tra tren tuyen bien, kip thai phat hien, bat giu. xii lynghiem cac doi tuong co hanh vi buon lau, van chuyen trai phep krn, san pham cuaIon.

-Tang cuong cong tac thanh tra, kiem tra cong vu de phat hien cac hanh vitieu cue; kien quyet xii ly nghiem cac ca nhan, tap the thieu tinh than trach nhiem.lam ngo hoac tiep tay cho cac doi tuong buon lau, van chuyen trai phep Ion, sanpham cua Ion tren cac tuyen, dia ban, ITnh vuc don vi phu trach.

4.Trung tam Truyen thong va Van hoa

Day manh cong tac tuyen truyen, pho bien cac quy dinh ciia phap luat ve vesinh thu y, bien phap ngan ngira lay nhiem benh dich dong vat tren cac phuong tientruyen thanh, truyen hinh ciia huyen hang tuan den moi tang lop nhan dan nhamlam chuyen bien, thay doi nhan thuc ve tac hai, nguy co benh djch ta Ion chau Phi;van dong quan chiing nhan dan khong bao che, tiep tay cho cac hanh vi buon lau,

van chuyen trai phep Ion, san pham ciia Ion; thong bao cong khai cac to chiic, canhan vi pham, kip thoi neu guong cac tap the, ca nhan trien khai thuc hien co hieu

qua cong tac chong buon lau, van chuyen trai phep Ion, san pham ciia Ion ra vao

dia ban huyen.

5.XJy ban nhan dan cac xa, thi tran

-To chiic tuyen truyen den cong dong dan cu dac diem, tinh chat nguy hiem

ciia benh dich ta Ion chau Phi de nguai dan khong tham gia vao cac hoat dongbuon ban, van chuyen Ion, san pham ciia Ion nhap lau vao dia ban huyen de tieuthu; khong mua ban Ion, san pham cua Ion khong co nguon g6c ro rang, chua qua

kiem dich thu y de han che phat sinh va lay Ian dich benh. Nghiem cam moi hinhthiic van chuyen, bu6n ban, giet mo, tieu thu Ion, san pham cua Ion nhap lau, nghinhap lau, khong ro nguon goc, ke ca hmh thuc cho, tang cua cac to chiic, ca nhan

va cu dan khu vuc bien gicti.

-Cii can bo thu y tang cuong theo doi, giam sat dan lon; ap dung cac bienphap an toan sinh hoc trong chan nuoi (hang ngay ve sinh chuong trai chan nuoi,ve sinh tieu doc khii trung nguai, phuong tien ra vao khu vuc chan nuoi...).

Truong hop phat hiSn dan Ion nghi mac dich ta Ion chau Phi, Ion chet khong ronguySn nhan hoac Ion, san pham cua Ion nhap lau, nghi nhap lau, khong ro nguon

go.c thi can thong bao cho Trung tarn Dich vu ky thuat nong nghiep lay mau (truockhi xur ly tieu huy theo quy dinh cua phap luat) de chan doan, xet nghiem benh,

-Ra soat, tiem phong dot 2 va tiem phong bo sung cac loai vac xin phongbenh cho dan Ion, dac biet can quan tarn tiem phong vac xin dich ta Ion, vac xin

phong cac benh do de tang cuong siic d6 khang.

-Trien khai thuc hien thing khii trung tieu doc lin 3 tu ngay 01/10/2018 -20/10/2018 va t6 chiic phun khii trung tieu doc sau tiem phong dot 2 nam 2018.

-Thuc hien bao cao dinh ky, dot xuat ve dich benh gia siic, gia cam n6i

chung va ket qua thuc hien phong chong dich ta Ion chau Phi noi rieng ve Uy bannhan dan huyen (qua Phong Tai nguyen - Moi truong va Nong nghiep huyen) debao cao So Nong nghiep va Phat trien nong thon tinh theo quy dinh.

6.fie ngh| Uy ban Mat tran To quoc va cac doan the chinh tri - xa hoihuyen ph6i hop tuyen truyen den cac hoi vien va nhan dan tinh chat nguy hilm vacac bien phap phong chong benh dich ta Ion chau Phi. Tuyen truyen, van dongnguai dan khong tham gia buon ban, van chuyen, giet mo va tieu thu Ion va san

pham ciia Ion buon lau, khong ro nguon goc.

(Co dac diem, tinh chat nguy Mem va bien phap phong chong benh dich taIon chau Phi kem theo)

Uy ban nhan dan huyen yeu cau cac phong, ban, ca quan don vi thuc hien

nghiem cac noi dung tren./. <r̂

Ncri nhan: <L TM. UY BAN NHAN DAN-Nhu kinh gOri (t/hien); KT CHU TIOH-UBMTTQ va cac doan thS (phoi hop); -̂ ^S!55ScfT tt/-'TI-Luu: VT, TNMTNN. y^^S^sib^H. @

Vu

MW ^̂̂ %liM CUA BENH DICH TA LON CHAU PHI

r̂ ra^^^^jy^g cua benh dich ta lonn Chau PhiBOT^teh^^OT chau Phi (ten tieng Anh: African swine fever - ASF) la

benh truyen nhiem nguy hiem do vi rut gay ra. Benh co dac diem lay Ian nhanh vaxay ra a moi loai Ian (ca Ion nha va Ion hoang da); 6 moi lua tuoi va moi loai Ion.Benh gay thiet hai nghiem trong vai ty le chet cao len den 100%. Vi nit gay rabenh dich ta Ion chau Phi (ASFV) co sue de" khang cao trong moi truong. Lgn khoibenh co kha nang mang vi rut suot doi, do vay kho co the loai tru dugc benh neu

&6 xay ra benh dich ta lgn chau Phi.

2.Bac diem cua vi nit dich ta l<rn chau PhiVi rut dich ta Ion chliu Phi la vi nit co gen di truyen dang AND, co vo boc

dang Icoxahedral, kich thudc Ion, la Irido-virus, dugc phan loai vao chi mai

chuyen biet: Genus Asfi-virus thuoc ho Asfarviridae. Vi nit co 1 serotype, nhung

phat hien co tai 16 genotypes va nhieu chung khac nliau co doc luc khac nhau.Vi nit dich ta Ion chau Phi dugc tim thay trong mau, co quan, dich bai tiet tit

Ion nhiem benh va chet bai benh nay. Lon sau khi khoi benh se a the man tinh coth6 mang vi nit suot doi. Ngoai ra ve m6m thuoc chi Omithodoros la mot vectorsinh hoc trong tu nhien.

Vi nit dich ta Ion chau Phi co siic de khang cao, co the ton tai trong chit tiSt,dich tiet, trong xac dong vat, trong thit lgn va cac che pham tix thit Ion nhu xiicxich, giam bong, salami. Vi nit co kha nang chiu dugc nhiet do thap, dac biet latrong cac san pham thit Ion song hoac nau a nhiet do khong cao vi nit co kha nangchiu dugc trong thai gian dai 3 - 6 thang; vi rut co thfi bi tieu diet a nhiet do 56Ctrong 79 phiit, 60C trong 20 phut. Vi nit s6ng trong mau da phan My dugc 15tuan; trong mau kho dugc 70 ngay; trong phan a nhiet do phong 11 ngay, trongmau Ion d nhiet do 4C dugc 18 thang; trong thit dinh xuong a nhiet do 39C dugc150 ngay; trong giam bong dugc 140 ngay va d nhiet do 50C ton tai trong 3 gia.

Trong moi truong khong co huyet thanh, vi nit co the bi pha huy a pH<3,9hoac a pH>l 1,5. Moi truong co huyet thanh vi nit co the t6n tai dugc a pH = 13,4trong 7 ngay; khong co huySt thanh vi nit co thl song dugc 21 gia.

Hoa chit de diet vi nit dich ta lgn Chau Phi: ether, chloroform, iodine,sodium hydroxide vai ty le 8/1.000 hoac formalin voi ty le 3/1.000 hoac chit tiytrang hypochlorite chiia chlorine 2,3 % hoac chat ortho-phenylphenol 3% nhungphai duy tri thai gian 30 phut.

3.Qua trinh gay benh va lay Ian vi nit dich ta lgn chau PhiBenh dich ta lgn chau Phi co thai gian u benh tu 3 - 15 ngay, a thl clp tinh

thai gian u benh chi ttr 3 - 4 ngay.Vi rut dich ta Ion chau Phi lay nhilm qua duong ho hip va tieu hoa, thong

qua su tiep xiic true tiep hoac gian tiep vai cac vat the nhilm vi nit va an thuc anthira chira thit lgn nhiem benh hoac bi ve mem cin.

4.Phan bo ciia benh djch ta Ion chau Phi

-Nam 1921, benh dich ta lgn chau Phi dugc phat hien tai Kenya, chau Phiva sau do da tra thanh dich dia phuong tai nhieu nuac chau Phi.

-Nam 1957, Ian dau tien dich ta Ion chau Phi dugc phat hien va bao cao tai

chau Au va den nay dich benh nay da xuat hien a nhieu nirdc chau Au, trong do co

Armenia, Lien bang Nga bao cao benh xuat hien vao nam 2007 va Azerbaijan vao

nam 2008; benh cung nhu da dugc bao cao a cac nuac chau My.

-Nam 2007, benh dich ta Ion chau Phi dugc bao cao xay ra g day niii

Caucasus giua chau Au va chau A tai quoc gia Georgia.

-Den nay, benh dich ta Ion chau Phi tra thanh dich dia phuong a nhieu nuac

tren the giai.

Tir cuoi nam 2017 den nay, 12 quoc gia (bao gom: Trung Quoc, Lien bangNga, Ba Lan, Cong hoa Sec, Hung-ga-ri, Lat-vi-a, M6n-do-va, Phan Lan, Ro-ma-

ni, Nam Phi, Ukraina va Zambia) bao cao co dich ta Ion chau Phi.

5. Trieu chii-ng, benh tich ciia benh dich ta Ion chau Phi

a. Chan doan lam sang

Lgn bi nhiem dich ta Ign chau Phi co nhieu trieu chiing, tuy thuoc vao mire

do nghiem trong ciia benh. Lgn benh bieu hien cac trieu chung khong khac biet so

vai trieu chung ciia benh dich ta lgn co dien (da va dang co tai Viet Nam). Do do,

vice chan doan dich ta Ion chau Phi kho co the xac dinh va phan biet dugc bang

cac trieu chung lam sang; can lay mau giii phong thi nghiem de xet nghiem phat

hien vi rut dich ta lgn chau Phi.-The qua cap tinh (Peracute): Do vi rut co doc lire cao, lgn chet nhanh,

khong bieu hien trieu chung hoac lgn se nam va sot cao truac khi chet.

-The cap tinh (Acute): Do vi nit doc lire cao gay ra, lgn sot cao (40,5 -42C). Trong 2-3 ngay dau tien, bach cau va tieu cau giam. Lon khong an, lugi

van dong, li ru, nam chong dong, Ion thich nam cho co bong ram hoac gan niroc.

Lgn co bieu hien dau viing bung, lung cong, di chuyen bat thuong, mot so vung da

trang chuyen sang mau do, dac biet la vanh tai, duoi, cang chan, da phan duai vung

nguc va bung, co the co mau sam xanh tim. Trong 1 - 2 ngay truac khi con vat

chet, co trieu chiing than kinh di chuyen khong vung, nhip tim nhanh, tha gap, kho

thd hoac co bot lan mau a mui, viem mat, non miia, tieu chay doi khi lan mau,

hoac co the tao bon, phan cung dong vien co kich thuac nho, co chat nhay va mau.Lgn se chet trong vong 6 -13 hoac 20 ngay. Lon mang thai co the xay thai a moi

giai doan. Ty le ch6t cao len tai 100%. Lan khoi benh hoac nhiem vi rut the man

tinh thuong khong co trieu chung, nhung chiing se la vat chu mang vi nit dich ta

lgn chau Phi suot doi.

-The a cap tinh (Subacute): Do vi nit co doc tinh trung binh. Chii yeu dugc

tim thdy a chau Au, lgn bi6u hien trieu chung khong nghiem trong: Sot nhe hoac

s6t luc tang luc giam, giam an, sut can, li ru, viem toan bo phoi nen kho tha, ho co

dam, phoi co the boi nhiem vi khuan ke phat, viem khop. van dong kho khan.

Benh keo dai 5-30 ngay, n6u mau \ trong tim (cap tinh hoae suy tim) thi lgn co

the chet, lonMia|| $% stjixlto thai, Ion chet trong vong 15 -45 ngay, ti le chetkhoang 30 - |l6̂ ^ -̂ @Bil|h6i hoac bi benh man tinh.

-The rMSt̂ i|pdfei? form): Do vi nit co doc tinh trung binh hoac thap,chu yeu dugc CTg tKa}wJjiAnggola va chau Au. Lon co nhieu trieu chiing khacnhau: giam can, sdTHiorig 6n dinh, co trieu chung ho hap, hoai tii da hoac viem

loet da man tinh, viem khop, viem ca tim, viem phoi dinh suan, viem cac khop

khac nhau trong giai doan phat triln. Trieu chiing keo dai 2 - 15 thang, co ty le tirvong thap, 1cm khoi benh sau khi nhiem vi nit gay nen benh se tro thanh dang mantinh.

b. Benh tick-ThS cap tinh: Xuit huyfit nhieu a cac hach lympho a da day, gan va than.

Than co xult huygt dilm, la lach to co nh6i huyet. Da co mau toi va phu ne, davung bung va chan co xuat huyet. Co nhieu nuac xung quanh tim, trong xoang

nguc hoac xoang bung, co cac diem xuat huyet tren nap thanh quan, bang quang vabk mat cac co quan ben trong; phii ne trong cau true hach lam ba cua dai trang va

phan tiep giap vai tiii mat, nii mat sung.

-The man tinh: Co the gap so cung phoi hoac co cac 6 hoai til hach, hach

phoi sung, viem dinh mang phoi.

6. Chan floan benh dich ta Ion chau Phia)Chdn aodnphan Met

Dich ta Ion chau Phi va dich ta Ian co dien kho co th6 chin doan phan bietneu dua vao cac trieu chiing lam sang va benh tich. Vi vay, trong moi truong hop,phai lay mau xet nghiem tai phong thi nghiem &h xet nghiem phat hien mim benh.

Cac benh khac can dugc chan doan phan biet vai benh dich ta Ion chau Phibao gom cac benh: Benh tai xanh (PRRS) dac biet la the cap tinh, benh dong dluIon, benh pho thuong han, benh to huydt trung, benh lien ciu khuan doStreptococcus suis, benh Glasser, benh ky sinh trung duong mau do Trypanosoma

gay ra, Hoi chung viem da sung than do PCV2, benh gia dai o Ion choai va bi ngodoc muoi.

b)Lay mau xet nghiemLay mau mau Ion dang sot trong giai doan dau, mau dugc chong dong b6

sung bang EDTA 0,5% hoac Heparin.-Lach, cac hach bach huyet, hach amidan bao quan a nhiet do 4C.

-Huyet thanh tu dong vat khoi benh, lay mau trong vong 8-21 ngay sau khiIon nhiem benh.

c)Xet nghiem phat hien vi rut gay benh dich ta Ian chau Phi-Sir dung te bao monocytes sa cap cua Ion hoac tfi bao toy xuong, phan Ion

vi nit dich ta Ion chau Phi phan lap se sinh ra Haemadsorption.

- Phat hien khang nguyen bang phuong phap Fluorescent antibody test(FAT) ket qua duong tinh cua FAT cung vai cac trieu chung va cac ton thuong cothl sa bo xac dinh benh dich ta Ion chau Phi.

Phuang phap PCR: La ky thuat can thiet doi vai viec xet nghiem cac mailIon nghi bi nhiem vi nit dich ta Ion chau Phi.

-Tiem dong vat thi nghiem: Hien khong duac khuyen cao six dung phuong

phap nay vi nguy ca lay Ian benh cao.

- Kiem tra huyet thanh benh dich ta Ian chau Phi bang ky thuat ELISA(Enzyme - linked immunosorbent assay) hoac IFA (Indirect fluorescent antibody).

7. Phong, chong benh d|ch ta Ion chau PhiHien nay chua co vac xin va thuoc dieu tri dugc benh dich ta Ion chau Phi,

vi vay giai phap phong benh la chinh, phat hien va xir ly triet de 6 djch ngay tir khia pham vi nho va chua lay Ian: kiem soat kiem dich nhap khau, kiem soat van

chuyen Ion va chan nuoi an toan sinh hoc la cac bicn phap chu luc duoc cac niroc

da va dang dp dung./.