Chirwere cheNewcastle 2

Clinical zviratidzo zvechirwere cheNewcastle

Hurefu hwenguva yekudyara hunosiyana, zvichienderana nehuwandu, simba, nzira yehutachiona, uye kudzivirira huku kwehutachiona.The natural infection incubation period ndeyemazuva matatu kusvika mashanu.

1. Mhando

(1) Chirwere cheNewcastle chekukurumidza che viscerotropic: kunyanya chirwere chakanyanya, chakakomba uye chinouraya, kazhinji chinotungamira mukubuda ropa mudumbu.

(2) Chirwere cheNewcastle chekukurumidza pneumophilic: Chinonyanya kurwadza, chakakomba uye chinouraya, uye chinonyanya kuratidzwa neurological uye kufema system kusagadzikana.

(3) Chirwere cheNewcastle chine mwero: chinoratidzwa nekusagadzikana kwekufema kana tsinga, ine mwero wakaderera wekufa uye shiri diki chete dzinofa.

(4) Chirwere cheNewcastle chinononoka: zvinyoro, zvinyoro kana zvisingaoneki zviratidzo zvekufema, kuderedzwa kwehuwandu hwekugadzira mazai.

(5) Asymptomatic inononoka-inotanga enterotropic chirwere cheNewcastle: zvigaro zvakasununguka chete zvinoonekwa, uye kupora kunongoerekana kwaitika mushure memazuva mashomanana.

2. Chirwere cheNewcastle

Huku dzisina immune kana immune-deficit utachiona hwe viscerotropic uye pneumotropic Newcastle disease strains.

3. Chirwere cheNewcastle cheAtypical

Chirwere chechisimba kana chakadzivirirwa, chinotapukirwa pane imwe nhanho yekudzivirira.