Cutar Newcastle

1 Bayani

Cutar Newcastle, wacce aka fi sani da annoba ta Asiya, cuta ce mai saurin kamuwa da cuta, mai saurin yaduwa kuma mai saurin kamuwa da cutar kaji da turkeys da paramyxovirus ke haifarwa.

Siffofin bincike na asibiti: baƙin ciki, rashin ci, wahalar numfashi, koren stools, da alamun tsari.

Pathological Anatomy: ja, kumburi, zub da jini, da necrosis na mucosa na narkewa kamar fili.

2. Halayen etiological

(1) Halaye da rabe-rabe

Cutar cutar Chicken Newcastle (NDV) tana cikin kwayar cutar Paramyxovirus a cikin dangin Paramyxoviridae.

(2) Form

Balagagge ƙwayoyin ƙwayoyin cuta suna da siffar zobe, tare da diamita na 100 ~ 300nm.

(3) Hemaglutination

NDV ya ƙunshi hemagglutinin, wanda ke haɓakar ɗan adam, kaza, da linzamin kwamfuta.

(4) Abubuwan da suka wanzu

Ruwan da ke cikin jiki, sirruka, da fitar da kyallen kaji da gabobin jiki na dauke da ƙwayoyin cuta.Daga cikin su, kwakwalwa, saifa, da huhu sun ƙunshi mafi yawan ƙwayoyin cuta, kuma suna kasancewa a cikin kasusuwa na tsawon lokaci.

(5) Yaduwa

Kwayar cutar za ta iya yaduwa a cikin rami na chorioallantoic na embryos kaza mai kwanaki 9-11, kuma za ta iya girma da kuma haifuwa a kan fibroblasts na kaji da kuma haifar da fission cell.

(6) Juriya

Yana aiki a cikin mintuna 30 a ƙarƙashin hasken rana.

Rayuwa a cikin greenhouse don mako 1

Zazzabi: 56 ° C na minti 30 ~ 90

Rayuwa a 4 ℃ na shekara 1

Rayuwa a -20 ° C fiye da shekaru goma

Matsakaicin yawan abubuwan kashe ƙwayoyin cuta na yau da kullun suna kashe NDV cikin sauri.

3. Halayen annoba

(1) Dabbobi masu rauni

Kaji, tattabarai, ciyayi, turkeys, dawisu, partridges, quails, waterfowl, geese

Conjunctivitis yana faruwa a cikin mutane bayan kamuwa da cuta.

(2) Tushen kamuwa da cuta

Kaji masu dauke da cutar

(3) Tashoshin watsawa

Hanyoyi na numfashi da cututtuka na narkewa, najasa, abinci mai gurɓataccen ƙwayar cuta, ruwan sha, ƙasa, da kayan aiki suna kamuwa da su ta hanyar narkewar abinci;kura mai ɗauke da ƙwayoyin cuta da ɗigon ruwa suna shiga sashin numfashi.

(4) Tsarin faruwa

Yana faruwa duk shekara zagaye, galibi a cikin hunturu da bazara.Yawan mace-macen kiwo na matasa ya zarce na tsofaffin kaji.