Chicken matenda a bronchitis

1. Makhalidwe a Etiological

1. Makhalidwe ndi magulu

Kachilombo ka matenda a bronchitis ndi a banja la Coronaviridae ndipo mtundu wa coronavirus ndi wa nkhuku yopatsirana matenda a bronchitis.

2. Serotype

Popeza jini ya S1 imakonda kusinthika kudzera mu masinthidwe, kuyika, kuchotsa, ndi kuphatikizika kwa majini kuti apange serotypes yatsopano ya kachilomboka, kachilombo ka bronchitis opatsirana kamasintha mwachangu ndipo amakhala ndi ma serotypes ambiri. Pali ma serotypes 27 osiyanasiyana, ma virus wamba akuphatikizapo Mass, Conn, Gray, etc.

3. Kuchulukana

Kachilomboka kamamera mu allantois wa masiku 10-11 a mazira a nkhuku, ndipo kukula kwa mwana wosabadwayo kumatsekedwa, mutu umapindika pansi pa mimba, nthenga zimakhala zazifupi, zowuma, zowuma, amniotic madzimadzi ndi ochepa, ndipo kukula kwa thupi la embryo kumatsekedwa, kupanga "kamwana kakang'ono".

4. Kukana

Kachilomboka sikakhala ndi mphamvu yolimbana ndi dziko lakunja ndipo imafa ikatenthedwa mpaka 56°C/15 mphindi. Komabe, imatha kukhalabe ndi moyo kwa nthawi yayitali pa kutentha kochepa. Mwachitsanzo, imatha kukhala ndi moyo kwa zaka 7 pa -20 ° C ndi zaka 17 pa -30 ° C. Mankhwala opha tizilombo omwe amagwiritsidwa ntchito nthawi zambiri amakhudzidwa ndi kachilomboka.