Exam 6 - Small Ruminant Resp Disease Flashcards
Identify risk factors for bronchopneumonia in goats and sheep
stress -
Failure of passive immunity
Transportation
Overcrowding (most common reason
List common causes of pneumonia in sheep and goats and compare to BRD pathogens
Mannheimia hemolytica
Pasteurella multocida
Bibersteinia trehalosi
Corynebacterium pseudotuberculosis
Mycoplasma spp.
facts about C. pseudotuberculosis
highly contagious
zoonotic
resistant in the environment
internal and external form
no cure
viruses that cause chronic progressive interstitial pneumonia & extrapulmonary diseases in sheeps/goats
lentiviruses - OPP, CAEV, ovine pulmonary adenocarcinoma (JSRV)
ovine progressive pneumonia
spread:
clinical signs:
horizontal & perinatal (milk & colostrum)
pneumonia, mastitis/hard bag
Ovine Pulmonary Adenocarcinoma/Jaagsiekte Sheep Retrovirus (JSRV)
spread:
clinical signs:
respiratory secretions, milk and colostrum in subclinical carriers
fatal neoplasia
Caprine Arthritis-Encephalitis Virus (CAEV)
spread:
clinical signs:
horizontal & perinatal (milk & colostrum)
chronic pneumonia (type II pneumocyte proliferation), arthritis, encephalomyelitis