pasteurella, mannheimia, histophilus, haemophilus- GI & resp infections Flashcards
what bacteria are in the pasteurellaceae family?
pasturella
mannheimia
haemophilus
histophilus
describe the pasteurellaceae family
gram stain
motilily
spores
oxygen
catalase
nutrition
gram - rods or coccobacilli
non-motile
non-sporing
facultative anaerobes
catalase +
fastidious
what type of test would you need to order for suspected bacteria of Pasteurellaceae family? (aerobic, anaerbic, or both)
only anaerobic b/c facultative anaerobes
what is the cause of the disease pasteurellosis?
infection by pasteurella bacteria
what are the major pathogens of pasteurellosis?
-pasteurella multocida
-buiberstenia trehalosi
-mannheimaia haemollyticum
where are the bacteria involved with pasteurellosis found?
oral and resp tracts-
mucous membranes
what are endogenous infections?
already present in the body but previously asymptomatic
what are exogenous infections ?
infection form the non-commensal enter a host, originates outside of the organism
what is the portal of entry for pasteurellosis?
via respiratory tract
SQ infections- animal bites
what pasteurellosis infections are zoonotic?
pasteurella multocida
what disease does pasteurella multocida cause in ruminants, swine, and lab animals?
pneumonia: severe fibrinous broncho and pleuropneumonia
what species does pasteurella multocida affect?
wide range
what disease does pasteurella multocida cause in chickens and turkeys?
fowl cholera
-contagious and affects wide range of birds
what disease does pasteurella multocida cause in dogs and cats?
cough
lung abscesses
fever
shortness of breath
bite wound infections
what disease does pasteurella multocida cause in cattle
hemorrhagic septicemia and mastitis
how does hemorrhagic septicemia present?
what bacteria are involved in bovine respiratory disease?
pastoral multocida
mannheimia haemolytica
histophilus somni
what are the clinical signs of BRD?
what is the treatment and control of BRD?
what are the clinical signs of fowl cholera
-swollen wattles
-joint filled fibropurulent exudates
how does pneumonia caused by pasteurella multocida present?
how does atrophic rhinitis caused by P. multocida present?
what does fowl cholera present as?
acute septicemia- fatal
treatment for atrophic rhinintis in pigs
what are the clinical manifestations of snuffles in rabbits
treatment for snuffles in rabbits
enrofloxacin
what type of environment precipitates sniffles in rabbits?
stress
-chilling (immunosuppresent), transport
-poor ventilation, high levels of ammonia
what are risk factors of P. multocida
what are the virulence factors of P. multocida
what disease does manheimia haemolytica cause in cattle?
pneumonia
pneumonic pasteurellosis (shipping fever)
what disease does manheimia haemolytica cause in sheep?
pneumonia
septicemia
mastitis
what disease does mannheimia varigena disease cause in pigs and cattle
pigs- septicemia, enteritis, pneumonia
cattle- septicemia, pneumonia, mastitis
what are the virulence factors of mannheimia haemolytica
what does histophulis somni cause in cattle
infectious thromboembolic meningeocephalitis- septicemia with infarct in the cerebellum
what does histophilus somni cause in sheep
commensal of genital tract and causes epididymitis and orchitis in rams
-may also cause pneumonia, mastitis, meningitis, and septicemia
what are the clinical manifestations of histophilus somni
diagnosis od H. somni
how is glasser’s disease transmitted in pigs?
piglets acquire from sow shortly after birth
-direct contact or aerosol droplets
what can cause the generation of glasser’s disease in pigs?
stressful environment - generates disease in 2-4 wk old piglets
what is the cause of glasser’s disease?
histophilus parasuis
how is glasser’s disease characterized
clinical signs of glasser’s disease
Dx of glasser’s disease
what is the treatment for glasser’s disease
administer antimicrobials early in disease
-tetracyclines, penicillins; potentiated sulfonamides
what is the cause of infectious coryza in poultry?
avibacterium paragllinarium
how does coryza present poultry and in chickens?
clinical signs of infectious coryza- antemortem and postmortem
*air sacculitis
treatment for infectious coryza
if you want to diagnosis a disease postmortem and you suspect pneumonia, what part of the body are you going to send out?
portion of pneumonic lung
if you want to diagnose a disease postmortem and you suspect septicemia what part of the body are you going to send out?
pieces of liver, spleen, kidney, and lymph nodes
