An acute febrile, contagious, viral disease of birds caused by an AVULAVIRUS called NEWCASTLE DISEASE VIRUS. It is characterized by respiratory and nervous symptoms in fowl and is transmissible to man causing a severe, but transient conjunctivitis.
Disease, Newcastle
D011563
Psittaciformes
An order of BIRDS comprised of several families and more than 300 species. It includes COCKATOOS; PARROTS; PARAKEETS; macaws; and BUDGERIGARS.
Psittacines
D002642
Chick Embryo
The developmental entity of a fertilized chicken egg (ZYGOTE). The developmental process begins about 24 h before the egg is laid at the BLASTODISC, a small whitish spot on the surface of the EGG YOLK. After 21 days of incubation, the embryo is fully developed before hatching.
Embryo, Chick,Chick Embryos,Embryos, Chick
D006113
United Kingdom
Country in northwestern Europe including Great Britain and the northern one-sixth of the island of Ireland, located between the North Sea and north Atlantic Ocean. The capital is London.
Great Britain,Isle of Man
D006470
Hemorrhage
Bleeding or escape of blood from a vessel.
Bleeding,Hemorrhages
D000818
Animals
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.
Animal,Metazoa,Animalia
D012846
Singapore
Country of islands in Southeastern Asia, islands between Malaysia and Indonesia. The capital is Singapore.
D014132
Trachea
The cartilaginous and membranous tube descending from the larynx and branching into the right and left main bronchi.