Exam 1 Flashcards
Escherichia coli
Septicemic collibacillosis
Cattle
5 day old calves
Subclinical–> death in 25 hrs
Vaccinate cows & colostrum
Escherichia coli
Enteric collibacillosis
Cattle
< 2 week old calves
Diarrhea (catarrhal enteritis)
Vaccinate cows & colostrum
Escherichia coli
Acute mastitis
Cattle
Affects lactating cows
High fever
Reduced milk production
Escherichia coli
Neonatal colibacillosis
Swine
“Piglet scours”
1-12 day old piglets
Vaccinate sows
Escherichia coli
E. coli enterotoxemia
Swine
Swine “Edema disease”
1 week post weaning
+Neurological signs
Vaccinate sows
Escherichia coli
Neonatal colisepticaemia
Poultry
< 2 day old chicks
Dark lungs & enlarged spleen
Fibrinous inflammation
Vaccinate chicks
Escherichia coli
Yolk sac infection
Poultry
Embryos and neonates
Curdled yolk
Lay eggs on CLEAN substrate!
Escherichia coli
Respiratory colisepticaemia
Poultry
ADULT poultry
Fibrinous inflammation
Reduce ammonia exposure = ventilation
Escherichia coli
Enteric colisepticemia
Poultry
Poultry
Secondary infection
Coligranulomas
Vaccinate chicks
Escherichia coli
Acute salpingitis
Poultry
Adult hens
Yolk debris in peritoneal cavity
Vaccinate chicks
Escherichia coli
Synovitis
Poultry
Septicemia in adult birds
Escherichia coli
Enteritis
Sheep
< 2 day old lambs
Scouring
Lameness
Escherichia coli
Dog & cat
Pyometra
Escherichia coli
Equine
Abortions
Escherichia coli
Humans
Food poisoning
O157:H7
Enterobacter colacae
Humans
Humans
Bacterimia
Enterobacter aerogenes
Cattle
Cows
Mastitis
Klebsiella pneumoniae
What diseases does it cause in specific species?
Cattle = mastitis Equine = metritis Canine = cystitis Human = pneumonia
Citrobacter
Humans
Humans = UTI
Opportunistic pathogen
Proteus mirabilis
Humans & animals
Swarming growth
Found in clinical materials
Proteus (general)
Dog & cat
Dog & cat
UTI
Providencia (general)
Humans
Humans
Diarrhea
Morganella morganii
Humans & animals
Humans & animals
Wound infection
UTIs
Shigella
Humans & primates
Humans & primates
Salmonella paratyphi
Salmonella typhi
Humans
ONLY human infection
Typhoid Mary
Salmonella gallinarum
Poultry
"Fowl typhoid" Poultry only Green-yellow diarrhea NOT in USA Vertical & horizontal transmission
Salmonella pollorum
Poultry
"White bacillary diarrhea" <2-3 week old chick/poults only Fecal pasting Vertical & horizontal Routine testing
Salmonella serovar enteritidis
Humans
“Parathyphoid”
Cecal plugs
Food borne pathogen
Salmonella serovar dublin
Cattle
Cattle = all ages
Host adapted = cattle only!
Chronic carriers
Survives 2-4 months in feces
Salmonella serovar typhimurium
Cattle
2-6 week old calves
NO chronic carriers
NOT host adapted
Brown-green diarrhea
Salmonella colersesuis
Swine
Swine
Necrotic enteritis
Cyanosis
Salmonella typhisuis
Swine
NOT common
Intermittent diarrhea
Lesions in LNs and intestines
Salmonella typhimurium
Humans & animals
Zoonotic!
Infects many animals & humans
Swine at slaughter can infect humans
Salmonella infection in Equines
Young animals
Colic
Diarrhea
Stress is a major cause
Salmonella in Dogs
Found in feces of NORMAL dogs
Can be carriers
Salmonella in Cats
Eating contaminated food/prey
Enteritis
Septicemia
Salmonella in Turtles & Iguanas
Important source of human infection
Salmonella in Sheep
Fever
Strong smelling yellow-green diarrhea
Abortions
Salmonella in Wild birds
Wild pigeons can transmit to humans
Pasteurella multocida
Mammals
Normal flora in most mammal
Oral-nasal cavity
Opportunistic pathogen
Common infection in bites to humans
Pasteurella multicodia aves
Poultry
"Fowl cholera" All birds esp. Turkeys NOT normal flora = pathogenic Swollen waddles Reservoir = chronically infected birds Risk for pet birds bitten by cats! Vaccination
Pasteurella multocida
cattle, camels, goats, sheep
"Hemmorrhagic septicemia" Tropical regions Blood fluid in brisket Vaccination 0.5% phenol!
Pasteurella in Rabbits
“Snuffles”
Purulent rhinitis
NO vaccine
Pasteurella in Swine
“Atopic rhinitis”
3-8 week old piglets
Destruction of nasal turbinates = toxin
Mannheimia haemolytica
Cattle & sheep
Cattle & sheep
“Shipping fever”
Acute fibrinous pleuropneumonia
Opportunistic pathogen
Gallibacterium anatis
Poultry
Adult hens (chickens only)
Decreased egg production
Lesions in reproductive tract
Bordetella pertussis
Humans
Humans only
“Whooping cough”
TOXIN = paralyze cilia
Vaccine
Bordetella parapertussis
Humans & sheep
Mild “whooping cough”
Humans & sheep
Bordetella bronchiseptica
Dogs?
“Kennel cough”
Intranasal vaccine
Can cause wound infections in humans
NO toxin!
Bordetella in Swine
“Atopic rhinitis”
Dermonectotic TOXIN
Nasal turbinate destruction
Vaccinate
Bordetella avium
Poultry
Turkeys only!
“Turkey coryza” = turkey cold/flu
Francisella tularensis
Mammals
“Rabbit fever”
Zoonotic and HIGHLY infectious
Tick bites & handling wild rabbits
Do NOT attempt to isolate!
Francisella holarctica
Mammals
Less virulent form of “rabbit fever”
Russia and Scandinavia
Yersinia pestis
Humans & animals
"Plague" Humans, rats, ground squirrels, prairie dogs SW states REPORTABLE disease Fleas, tissues and airborne NON-motile!
Yersinia pseudotuberculosis
Humans & animals
Many animal hosts
Cats = UTI
Humans = pseudoplague
Other = septicemia
Yersinia enterocolitica
Humans & animals
Food borne pathogen in humans
Also causes disease in animals
Gasteroenteritis
Haemophilus parasuis
Swine
"Glasser's disease" Adults under stress and piglets Opportunistic pathogen Fibrinous inflammation of serous membranes Vaccination
Histophilus somni
Cattle
"Infectious thromboembolitic menigoencephalitis" "TEME" Cattle understress Bacterima Cerebral thrombosis Vaccination
Avibacterium paragallinarum
Poultry
"Infectious coryza of chickens" Nasal discharge Facial edema CARRIER birds Vaccination
Pseudomonas aeruginosa
Humans & animals
Humans & animals Ear infections "Whirlpool rash" Opportunistic pathogen Proteolytic enzymes breakdown tissues Pigment! Fruity odor HIGHLY resistant = Phenol
Burkholderia burkholderia mallei
Equine
"Glanders" "Farcy" Equines, camels, carnivores, humans Foul smelling pus from nasal cavity Mallein test NOT in USA REPORTABLE!
Burkholderia pseudomallei
Humans & animals
Affects basically all animals
Moraxella bovis
Cattle
"Pink eye" Keratitis, opacity, ulceration HIghly contagious Flies = mechanical vectors Vaccinate
Campylobacter fetus fetus
Humans & cattle
Cattle, sheep, goats, humans LATE abortions Culture fetal stomach Oral ingestion Zoonotic!
Campylobacter fetus veneralis
Cattle
Cattle only EARLY embryonic death Infertility Males = CARRIERS Cannot enter uterus during estrus
Campylobacter jejuni
Humans & animals
Animals & humans
Gastroenteritis
Poultry = reservoir!
Bacteria is very sensitive
Campylobacter coli
Birds and humans
Birds & humans
Campylobacter enteritis
Humans & animals
Leading cause of bacterial diarrhea in the world!
Risk from undercooked poultry
Affects animals & humans
Vibrio cholerae
Humans
Humans only
Watery diarrhea
Deadly enterotoxin!
Vaccinate
Lawsonia intracellularis
Swine
"Proliferative enteritis" "Garden hose gut" Weaned piglets Vili hyperplasia Vaccine controls severity only
Actinobacillus lignieresii
Cattle
"Wooden tongue" Cattle Opportunistic pathogen Granulomatus lesions in soft tissues YES antibiotics
Actinobacillus equui
Equine
"Sleepy foal disease" "Joint ill" Newborn foals Opportunistic pathogen Vertical transmission! NO vaccine