Card Set Information
Which digits are absent in birds?
1 & 5
Where is mucous secreted in the esophagus of birds?
along its entire length
What part of digestion in the bird contains no glandular secretions of its own, storage organ, softens food, may be bypassed if gizzard is full?
What is thickening of the epithelial lining that sloughs and is regurgitated?
What is the glandular stomach that contains acid, mucous, pepsinogen, pepsin?
How long is the trachea in birds compared to animals?
longer in mammals
How many airsacs are in birds?
What part of the bird contains B cells, is dorsal to cloaca, and aids in immunity?
bursa of fabricius
What part of the bird contains T cells, has multiple lobes along neck, and contributes to immunity
What is the site of fertilization in the female?
What measures day length and LH and FSH is stimulated in both males and females stimulating to lay?
extraretinal photoreceptor in hypothalamus
What birds are stimulated by decreasing day length? 2
What percent of sperm enter storage glands at the junction of vagina and uterus?
How much must the egg dehydrate so that the chick can rotate to pip and hatch?
What Dz=> conjunctivitis, tracheitis, air sacculitis, secondary coliform respiratory infections, egg quality abnormalities?
paramyxovirus type 1
C/S of Newcastle Disease: 3
Inflammation of respiratory airway
C/S of viscerotropic form of Newcastle Dz 3
Soft/Lymphoid Tissue Hemorrhage
How is Newcastle disease diagnosed?
Pathotyping by inoculation of susceptible chicken
Is Newcastle disease a reportable disease?
What is the natural reservoir of avian influenza?
High VS Low Path Avian Influenza:
High replicated in the absence of trypsin
(Not limited to GI & Respiratory)
How is avian influenza spread?
C/S of low path avian influenza? 8
Decreased egg production
Where does vasculitis occur in highly pathogenic avian influenza?
Vasculitis/Infarction of the comb, wattles, and legs
What are the clinical signs of high path avian influenza? 6
Sudden onset high mortality
Reproductive tract regression
How do you diagnosis avian influenza? (Sample & Tests)
Serology (ELISA, agar gel immunodiffusion, hemagglutination inhibition test)
What type of birds do avian influenza focus on?
How is avian influenza completely eradicated?
What is an acute upper respiratory disease of chickens with the potential for renal and reproductive manifestations?
What is the most important protein in infectious bronchitis immunity?
How is infectious bronchitis transmitted?
C/S of infectious bronchitis? 5
Decine in egg Production/Quality
Nephropathogenicity (-> death)
What are lesions of infectious bronchitis? 5
Catarrhal inflammation of upper respiratory tract
Swollen kidneys and uroliths
Hypoplastic oviduct in pullets exposed early
Dx for infectious bronchitis? (sample/test)
virus isolation in SPF embryos
DDx for infectious bronchitis?