Gram positive bacteria

Question 1

Staphylococcus

Answer 1

TSS
enterotoxins

pyoderma, mastitis, cutaneous abscesses, exudative epidermis (greasy pig disease) , pyogenic, mastitis, suppurative lesions, chronic granuloma

dry skin

topical antiseptic, drain abscess

Question 2

Streptococcus

Answer 2

more delicate than Staph

found in oral cavity
septicemia, pneumonia, mastitis, strangles, lymphadenitis, pyogenic, suppurative lesions,

portal of entrance (navel)

drain abscess, pen G, VACCINE eqine

Question 3

Enterococcus

Answer 3

otitis, calf/foal/piglet diarrhea

fecal-oral

multi-drug resistant

Question 4

Arcanobacterium and Trueperella

Answer 4

very small

mastitis, abortion, traumatic or opportunitistic lesions

pyogenic, suppurative lesions (oozy), lymphadenitis

drain abscess, Pen G

Question 5

Bacillus

Answer 5

antrax

forms endospores when exposed to air

exotoxins-lethal toxin

Depends on portal of entry; multiple organ dysfunction, edema, shock, colic, diarrhea (ingest soil)

Penicillin

VACCINE- cattle

Question 6

Cornyebacterium

Answer 6

C. pseudotuberculosis and C. renale

pyelonephritis, caseous lymphadenitis, pectoral abscess (pigeon breast)

drain abscess, Pen

Question 7

Erysipelothrix

Answer 7

red rash on skin

arthritis, endocarditis, pneumonia, diamond skin disease, sepiticemia

Pen, VACCINE- pigs

Question 8

Listeria

Answer 8

septicemia, encephalitis, late term abortion

oral exposire, contaminated food, cold loving bacteria, fecal contam on meat, silent G infection

Question 9

Rhodococcus

Answer 9

equi

resp dz in foals

foal pneumonia

soil dwelling organism; fecal oral

NOT beta-lactams, dust control, 50% fatality possibly

Question 10

Clostridium

Answer 10

endospores, strict anaerobe

Histotoxic- exposure via wound infection; enterotoxemia, septicemia, gastritis, diarrhea, blackleg, encephalomalacia, necrosis etc
- VACCINE- cattle

Companion animals: normal flora imbalance (C dificile)
C. perfringens-enterotoxemia, wound infxn

Livestock: C haemolyticum- spores seed liver - hepatic lymph; C novyi- “ black disease; C piliforme- “ Tyzzers liver necrosis

Neurotoxic: Tetanus- contraction and botulism- flaccid
- VACCINE, antitoxin

Question 11

Dermatophilus congolensis

Answer 11

in environment

rain scald, strawberry foot rot, lumpy wool

exudate

drain, drier place

Question 12

Actinomyces bovis

Actinomyces viscosus

Answer 12

Filamentous morphology

normal oral flora

pyogranulomas, lumpy jaw

Actinomyces and Dermatophilus- filamentous; wound infection, osteomyelitis, epidermatitis, bursitis, mastitis, pneumonia, abortion