Chirwere cheNewcastle

1 Muchidimbu

Chirwere cheNewcastle, chinozivikanwawo seAsian chicken plague, chirwere chakakomba, chinotapukira uye chakakomba chehuku uye turkeys chinokonzerwa neparamyxovirus.

Clinical diagnostic features: depression, kurasikirwa nechido, kunetseka kufema, green loose stools, uye systemic zviratidzo.

Pathological anatomy: kutsvuka, kuzvimba, kubuda ropa, uye necrosis yemudumbu turakiti mucosa.

2. Etiological maitiro

(1) Hunhu uye kupatsanura

Chicken Newcastle disease virus (NDV) ndeye genus Paramyxovirus mumhuri Paramyxoviridae.

(2) Fomu

Mature virus particles ane denderedzwa, ane dhayamita ye100 ~ 300nm.

(3) Hemagglutination

NDV ine hemagglutinin, iyo inounganidza masero matsvuku eropa evanhu, huku, uye mbeva.

(4) Zvikamu zviripo

Zvinwiwa zvemuviri, zvakavharwa, uye kubuda kwenyama yehuku uye nhengo dzine mavhairasi.Pakati pazvo, uropi, spleen, uye mapapu zvine huwandu hwakanyanya hwehutachiona, uye hunoramba huri mumwongo wemapfupa kwenguva refu.

(5) Kuwedzera

Utachiona hunogona kuwanda muchorioallantoic cavity yehuku yemazuva 9-11, uye inogona kukura nekubereka pahuku embryo fibroblasts uye kuburitsa cell fission.

(6) Kuramba

Inodzima mumaminitsi makumi matatu pasi pezuva.

Kupona mugreenhouse kwevhiki 1

Tembiricha: 56 ° C kwemaminitsi 30 ~ 90

Kupona pa4 ℃ kwegore 1

Kupona pa -20 ° C kwemakore anopfuura gumi

Kuwanda kwemaitiro emishonga yekuuraya utachiona kunouraya NDV nekukasira.

3. Epidemiological maitiro

(1) Mhuka dzinobatwa nyore nyore

Huku, hangaiwa, hanzi, matoki, mapikoko, mapariji, zvihuta, shiri dzemvura, hanzi

Conjunctivitis inoitika muvanhu mushure mekutapukirwa.

(2) Kunobva utachiona

Huku dzinotakura utachiona

(3) Nzira dzekutumira

Chirwere chekufema uye chirwere chekudya, tsvina, chikafu chine hutachiona, mvura yekunwa, pasi, uye zvishandiso zvinotapukirwa kuburikidza nemudumbu;guruva rinotakura utachiona uye madonhwe anopinda mukati mekufema.

(4) Muenzaniso wezviitiko

Inoitika gore rose, kunyanya muchando uye muchirimo.Huwandu hwehurwere nekufa kwehuku diki hwakakwira pane hwehuku dzakura.