1. Kakaretso:

1

Matšoao a bophelo bo botle: ho hema ka thata, ho fokotseha ha tlhahiso ea mahe, ho tsoa mali a mangata 'meleng oohle, le sekhahla sa ho shoa se phahameng haholo.

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(2) Litšobotsi tsa Etiological

Ho ea ka li-antigenicity tse fapaneng: e arotsoe ka li-serotypes tse 3: A, B, le C. Mofuta oa A o ka tšoaetsa liphoofolo tse sa tšoaneng, 'me feberu ea linonyana ke ea mofuta oa A.

HA e arotsoe ka mefuta ea 1-16, 'me NA e arotsoe ka mefuta e 1-10. Ha ho na tšireletso pakeng tsa HA le NA.

Ho khetholla pakeng tsa feberu ea linonyana le lefu la Newcastle lefu la kokoana-hloko, kokoana-hloko ea avian influenza e ka bokellana liseleng tse khubelu tsa mali tsa lipere le linku, empa lefu la Newcastle lefu la khoho ha le khone.

(3) Ho ata ha livaerase

Likokoana-hloko tsa Avian influenza li ka hōla maheng a likhoho, kahoo likokoana-hloko li ka aroloa 'me tsa fetisoa ke allantoic inoculation ea mahe a khoho a matsatsi a 9-11.

(4) Ho hanyetsa

Likokoana-hloko tsa ntaramane li utloa mocheso

56 ℃ ~ 30 metsotso

mocheso o phahameng 60℃ ~ 10 metsotso Ho lahleheloa ke mosebetsi

65 ~ 70 ℃, metsotso e 'maloa

-10 ℃ ~ phela likhoeli tse 'maloa ho feta selemo

-70 ℃ ~ e boloka ts'oaetso nako e telele

Mocheso o tlase (ts'ireletso ea glycerinMatsatsi a 4 ℃ ~ 30 ho isa ho a 50 (ka mantle)

Matsatsi a 20 ℃ ~ 7 (ka mantle), matsatsi a 18 (ka masiba)

Nama ea likhoho e hatselitsoeng le moko oa masapo li ka phela likhoeli tse 10.

Ho se sebetse: formaldehyde, halogen, peracetic acid, iodine, joalo-joalo.

2. Litšobotsi tsa Epidemiological

(1) Liphoofolo tse hlaselehang habonolo

Li-turkeys, likhoho, matata, likhantsi le mefuta e meng ea likhoho e tšoaelitsoeng haholo tikolohong ea tlhaho (H9N2)

(2) Mohloli oa tšoaetso

Linonyana tse kulang le likhoho tse hlaphohileng li ka silafatsa lisebelisoa, lijo, metsi a nooang, joalo-joalo ka mantle, liphiri, joalo-joalo.

(3) Mohlala oa liketsahalo

Mofuta o monyenyane oa H5N1 o fetisoa ka ho kopana. Lefu lena le qala ka nako e le 'ngoe ka tlung ea likhoho, ebe le hasana ho linonyana tse haufi ka matsatsi a 1-3,' me le tšoaetsa mohlape oohle ka matsatsi a 5-7. Sekhahla sa ho shoa ha likhoho tse se nang sesole sa 'mele matsatsing a 5-7 se ka holimo ho 90% ~ 100%


Nako ea poso: Nov-17-2023