Klebsiella, Yersinia, Citrobacter, Proteus Flashcards
Klebsiella Found In
Water, soil, environment, GI tract
Klebsiella is a
Coliform
Opportunistic pathogen
Klebsiella is important in
Nosocomial infections
Klebsiella in Horses Causes
Metritis
Vaginitis
Infertility
Abortion
Klebsiella Transmission in Horses
Stallion Fomites Vaginal specula Biopsy equipment Umbilical - lack of colostrum
Klebsiella in Dogs
Rare
Pyometra
Cystitis
Klebsiella in Bovine
Mastitis
Klebsiella Treatment
Natural resistance/low susceptibility to amoxy/ampi
Susceptible to amonxy+clav
High level of acquired resistance
Difficult to treat
Zoonotic Forms of Yersinia
Y. Pestis
Y. Pseudotuberculosis
Y. enterocolitica
What does Y. Ruckeri infect
Fish
At what temperature does Yersinia replicate
4* C
Y. Pestis infects
Humans
Cats
Y. Pestis Causes
Bubonic plague - local lymphadenitis
Pneumonic plague - pneumonia
Speticemic plague - septicemia
Y. Pestis Spread by
Fleas of wild rodents
Y. Pestis Virulent Factors
Capsule
Toxins
Iron acquisition
Y. Pestis Virulence genes are located on
Plasmids
Y. Pestis Found in
West USA Sounthern Asia Southern/Western Africa Central/South America Warmer months above 27* C
Y. Pestis Transmission
Fleas
Airborne
Oral
Y. Pestis in Cats - Symptoms
Fever, depression, sneezing, cough CNS disturbance Lymphadenitis, tonsillitis, cranial/cervical edema Pneumonia Mortality
Y. Pestis in Cats - Diagnosis
Culture
PCR
Serology
Y. Pseudotuberculosis Characteristics
Obligate Symbiotic
Facultative Intracellular
Rodents, Birds
Zoonotic
Y. Pseudotuberculosis Virulence Factor
Cell wall - endotoxin
Adhesins
Toxins (on plasmids)
Iron Uptake
Y. Pseudotuberculosis in Humans
Colic
Oral uptake
Lymphoid tissue intestine
Mesenteric lymph nodes
Y. Pseudotuberculosis in Birds and Rodents
Sepsis (XXX in blood)
Oral uptake
Lymphoid tissue intestine
Mesenteric lymph nodes
Y. Pseudotuberculosis in Passerformes
Fat liver disease
Rodentiosis
Mainly in animals housed in outdoor birdhouses
Y. Pseudotuberculosis in Passerformes - Transmission
Wild birds and rodents
Y. Pseudotuberculosis in Passerformes - Symptoms
Apathy
Water and feed intake
Diarrhea
Chronic - weight loss and resp. disease
Y. Pseudotuberculosis in Passeriformes - Acute Lesions
Very large spleen with foci of necrosis
Enlarged liver
Y. Pseudotuberculosis in Passeriformes - Subacute and Chronic Lesions
Very large spleen with foci of necrosis
Very large liver with foci of necrosis
Foci of necrosis on ceca and lungs
Y. Enterocolitica in Domestic Animals
Ileitis
Gastro enteritis
Y. Enterocolitica Zoonosis
Mild symptoms
Colic
Diarrhea
Y. Enterocolitica Characteristics
Colonizes terminal ileum
Serotype O9 - cross reaction with Brucellosis
Where is Citrobacter, Enterobacter and Providencia Found
Intestines of humans and animals
Sewage
Environment
Proteus Characteristics
Swarming bacterium
Facultative symbiotic
Facultative pathogen
Proteus Causes what in dogs
Otitis
Cystitis
Otitis Caused by
Staphylococcus pseudintermedius
Malassezia pachydermatis
Otitis - damage after treatment caused by
Proteus vulgaris
Proteus mirabilis
Pseudomonas aeruginosa
Otitis Predisposing Factors
Frequent swimming
Breeds with long ears
Breeds with hair in external ear channel
Otitis Treatment
Local oil based antibiotic/antimycotic mixture
