ʻO ka moa maʻi maʻi bronchitis

1. Nā hiʻohiʻona etiological

1. Nā ʻano a me ka hoʻokaʻawale ʻana

No ka ʻohana Coronaviridae ka maʻi maʻi bronchitis a ʻo ka genus coronavirus no ka maʻi maʻi bronchitis infectious.

2. Serotype

Ma muli o ka hoʻololi ʻana o ka gene S1 ma o ka hoʻololi ʻana, hoʻokomo, holoi ʻia, a me ka hui hou ʻana e hana i nā serotypes hou o ka maʻi maʻi, hoʻololi koke ka maʻi bronchitis infectious a he nui nā serotypes. Aia he 27 mau serotypes like ʻole, ʻo nā maʻi maʻamau ka Mass, Conn, Gray, etc.

3. Hoonui

Ke ulu nei ka ma'i i loko o ka allantois o ka moa 10-11 mau la, a paa ka ulu ana o ke kino embryo, pio ke poo malalo o ka opu, pokole ka hulu, manoanoa, maloo, uuku ka wai amniotic. a ua ālai ʻia ka ulu ʻana o ke kino embryo, e hana ana i "dwarf embryo".

4. Kūʻē

ʻAʻole ikaika ka maʻi maʻi i ka honua o waho a make i ka wā i wela ai i 56°C/15 mau minuke. Eia naʻe, hiki ke ola no ka manawa lōʻihi ma nā mahana haʻahaʻa. No ka laʻana, hiki iā ia ke ola no 7 mau makahiki ma -20°C a me 17 makahiki ma -30°C. Pilikia nā disinfectants maʻamau i kēia maʻi maʻi.