Bovine Respiratory Flashcards
Clinical signs of Mycotic granulomas
URSigns, inspiratory dyspnea, hemorrhage, head shaking, rubbing
Two signs distinguishing Mycotic granulomas from allergies
Sneezing and pruritus with allergies w/o hemorrhage
Frontal sinusitis is associated with what practice?
dehorning
T/F - fever is ALWAYS present with sinusitis?
false
Pharyngeal trauma leads to what?
bloat, coughing, swelling, extended head and neck
Pharyngeal trauma is caused by?
iatrogenic use of instruments, localized abscesses from other causes
Necrotic laryngitis is associated with what organism
Fusobacterium
Necrotic laryngitis is treated with what
Procaine penicillin G, Oxytetracycline
CS of necrotic laryngitis/calf diphtheria
breath odor, fever, chronic roaring, moist cough, acute onset
T/F vaccine both dairy and beef cattle for Shipping Fever
True
Body parts associated with IBR
respiratory, conjunctivitis/corneal opacity, infectious pustular vulvovaginitis
When do we vaccinate for IBR?
an outbreak, all breeding females
have killed and live types
What virus is associated with Bovine respiratory syncytial virus?
pneumovirus/paramyxovirus
when do you vaccinate for BRSV?
during dry period or pre-calving
When do you see problems w/ para influenza 3?
secondary complications, during pregnancy see abortion w/ fetal infection
What is the major cause of economic loss in feedlots?
pneumonia from Mannheim hemolytica
the virulence factors w/ M hemolytic are what?
lipopolysaccharide and leukotoxin
What do we tx Manhemmia with?
Draxxin or Exceed, vx
Histophilus somni is associated with what?
thrombi-embolic-meningo-encephalitis, reps, musculoskeletal, report systems
vx for it
tx chlamydia with what
oxytetracycline
is TB zoonotic
YES, deer spread it too
how do we test for TB
gamma interferon and CCT - only use one at a time
how do we control TB
test and slaughter - avian TB and john’s disease can cause false +
Cause of interstitial pneumonia/atypical pulmonary emphysema
moldy sweet potatoes
What causes enzootic pneumonia in calves?
BRSV
DDX for Hardware disease
diaphragmatic hernia