Bovine Respiratory Disease Complex Flashcards
what is the most common abnormal lung sound?
increased bronchial tones
what type of pleuropneumonia does Pasteurella multocida cause?
cranio-ventral
what is the most common cause of fatal respiratory disease in cattle?
Mannheimia hemolytica
what does Trueperella pyogenes cause?
pulmonary abscesses
chronic/recurrent
what clinical sign is pathopneumonic of IBR?
white plaques
is bovine viral diarrhea a primary respiratory pathogen?
no
causes profound immunosuppression
who is most affected by Dictyocaulus?
youngstock
what is the clinical sign of ABPE and E, fog fever?
severe acute respiratory distress
what are lungs like in ABPE and E/fog fever?
diffusely firm
what fraction of people are infected with tuberculosis?
1/3 of people worldwide
what are signs of tuberculosis in cattle?
none
loss of condition
respiratory
what are the classic syndromes of caudal vena cava thrombosis?
sudden death
acute respiratory distress syndrome
epistaxis
what does acute frontal sinusitis follow?
dehorning
what are the forms of necrotic laryngitis/calf diptheria?
cheek form
laryngeal form
what lung sounds indicate early bronchopneumonia?
crackles and wheezes
what are the lung borders?
triceps
dorsal epaxial muscles
eleventh rib
olecranon
what are predisposing factors to Pasteurella multocida (opportunistic)?
viral infection
mycoplasma
other bacteria
environmental challenges
immunosuppression
what is Mannheimia hemolytica like?
normal flora capable of activation to virulent form
capable of acting as sole agent
more virulent
what is the agent of shipping fever?
Mannheimia hemolytica
are vaccines effective against Histophilus somnus?
not consistently
what are other forms of Histophilus somnus?
septicemic form
reproductive form
is Trueperella pyogenes a primary or secondary invader?
secondary: previous infection, inhalation, immunosuppression
what Mycoplasma might be normal flora?
M. bovis
M. dispar
M. bovirhinus
what are the norm with Mycoplasma?
concurrent infections
what is the order of severity for typical bacterial pathogens?
Mycoplasma
Pasteurella
Histophilus
Mannheimia
Bibersteinia: most
how does infectious bovine rhinotracheitis cause immunosuppression?
mucociliary transport interference
macrophage suppression
what is a pathognomic sign of infectious boviune rhinotracheitis?
white plaques
how common are natural antibodies to bovine respiratory syncytial virus?
> 50% of cattle have
what are signs of bovine respiratory syncytial virus?
fever, depression, anorexia
serous progresses to mucopurulent discharge
subcutaneous emphysema
recrudescence
how does parainfluenza 3 alter defense?
mucociliary transport
mucous layer
alveolar macrophages
what antibiotics can you give to lactating cows white awaiting sensitivity results?
ampicillin
ceftiofur
penicillin
oxytetracycline
what are standard vaccines?
IBR
BVD
BRSV
PI-3
when should youngstock be vaccinated?
4 and 5 months with MLV 9 way
what can be heard on ausculation with lungwom/dictyocaulus?
diffuse crackles
what are animals exposed to for acute bovine pulmonary edema and emphysema/fog fever?
lush pastures
grass silage occasionally
what are signs of chronic frontal sinusitis?
fever, nasal discharge, depression, sensitivity, odor, discharge from wound
enlargement of sinus
who usually gets necrotic laryngitis/calf diptheria?
calves
