Lecture 6- Gram Negative Oxidase Negative

Question 1

Escheria, salmonella, yersinia, shigella species

Answer 1

Family enterobacteriaceae

E. Coli

Salmonella enterica

Y. Enterocolitica, psuedotuberculosis, and subspecies pestis

S. Boydii, flexneri, sonnei

Question 2

Escheria disease patterns

Answer 2

Dogs/cats, cows, ruminants, horses, pigs, birds- entero and nontoxigenic diarrhea, invasive disease, endotoxemia, opportunistic UTI, mastitis

Edema disease (pigs)
Colicobacillosis (chickens)

Question 3

Escheria treatment

Answer 3

Correct fluid and electrolyte imbalance

Antibiotics is controversial

Vaccination for cows and pigs

Question 4

Salmonella disease processes

Answer 4

Cows, ruminants, horses, pigs- diarrhea, septicemia, pneumonia, paratyphoid fever

Birds- fowl typhoid, pullorum disease

Reptiles- arizonosis

Question 5

Salmonella treatment

Answer 5

Correct fluid/electrolyte imbalance

Antibiotics should only be used with susceptibility testing

Sanitation

Possible vaccine (LPS core antigen)

Question 6

Yersinia disease patterns

Answer 6

Pseudotuberculosis and enterocolitica-

Cats, pigs, birds- lymphadenitis, gastroenteritis, septicemia

Subsp pestis

Cats- septicemia, bubonic or pneumonic plague

Question 7

Yersinia tratment

Answer 7

Antibiotics

Subsp pestis- flea and rodent control

Question 8

Shigella disease pattern and treatment

Answer 8

Dysentery in primates

Treat with supportive care, antibiotics, sanitation