Chicken infectious bronchitis

1. Etiological maitiro

1. Hunhu uye kupatsanura

Utachiona hwebronchitis ndehwemhuri yeCoronaviridae uye genus coronavirus ndeyehuku infectious bronchitis virus.

2. Serotype

Sezvo jini reS1 rinowanzoita shanduko kuburikidza nekuchinja, kuiswa, kudzima, uye gene recombination kuti ibudise serotypes nyowani yehutachiona, hutachiona hwebronchitis hutachiona hunochinja nekukurumidza uye hune akawanda serotypes. Kune makumi maviri nenomwe serotypes, mavhairasi akajairika anosanganisira Mass, Conn, Gray, nezvimwe.

3. Kuwedzera

Utachiona hunokura muallantois ye10-11-day-old embrys yehuku, uye kukura kwemuviri we embryo kwakavharwa, musoro wakakotama pasi pedumbu, minhenga ipfupi, yakaoma, yakaoma, amniotic fluid iduku, uye kukura kwemuviri we embryo kwakavharwa, kuumba "dwarf embryo".

4. Kuramba

Hutachiona uhu hahuna kurwisa kwakasimba kune kunze kwenyika uye hunofa kana hwapiswa kusvika pa56°C/15 maminetsi. Zvisinei, inogona kurarama kwenguva yakareba pakupisa kwakadzika. Semuenzaniso, inogona kurarama kwemakore manomwe pa -20 ° C uye makore 17 pa -30 ° C. Madisinfectants anowanzo shandiswa anonzwa hutachiona uhu.