gram positive cocci Flashcards
Staphylococcus epidermis
normal flora of skin and mucous membranes
usually non pathogenic
Staphylococcus aureus
white/cream, yellow colour coagulase positive mannitol fermentor (turns yellow) endogenous or exogenous infection mastitis abscesses lamb pyemia pustular dermatitis
Staphylococcus intermedius
dogs and other carnivores infections of ears, eyes, and skin pyometra mastitis pyoderma
Staphylococcus hyicus
greasy pig disease
poly arthritis
Streptococcus
beta, gamma, or alpha
grey or white
catalase negative
facultative anaerobe
Staphylococcus
Facultative anaerobe Family: Micrococeaceae Delta hemolytic catalase positive differentiate species by coagulase and mannitol fermentation on MSA
Streptococcus pyogenes
strep throat flesh eating disease mastitis scarlet fever rheumatic fever carriers have it in nose and throat
Streptococcus agalactiae
normal flora in bovine skin, udder, and milk
most common cause of bovine mastitis
Streptococcus dysgalactiae
linked to bovine mastitis at a lesser percentage
polyarthritis in lambs
Streptococcus zooepidemicus
pericarditis and pneumonia in lambs
septicemia in poultry
cervicitis, metritis, and abortions in mares
cervicitis, metritis, and mastitis in cows
abortion and septicemia in swine
genital infections
often causes death
Streptococcus equi
strangles
genital infections, and mastitis in horses
Streptococcus canis
tonsillitis, endocarditis, and polyarthritis in dogs
pneumonia and septicemia in pups
Streptococcus suis
important pathogen in pigs zoonotic abscesses arthritis septicemia meningitis carried in the tonsils
streptococcus uberis
found in vagina and tonsils of cattle
causes small portion of bovine mastitis
Streptococcus pneumoniae
arranged as pairs
capsule present
upper respiratory tract infections
pneumonia in guinea pigs
