Skin and Wound Bacteria
what is the foot bath for cattle to prevent footrot?
CuSO4
what organism is usually cultured from the hoof of a horse in cases of Thrush?
Fusobacterium necrophorum
what is Staph hyicus also known as?
Greasy Pig Disease
there are a lot of disease caused by Staph aureus and their pathogenicity is related to what toxins?
Hemolysins, Leukocidins, Enterotoxins, Hyaluronidase, and Penicillinase
what is the foot bath for sheep to prevent footrot?
ZnSO4
what does Trueperella pyogenes create?
a fibrous sac, very pyogenic, usually have a thick capsule around abscess
Strep equi ss zooepidemicus is a wound contaminant in what species?
all animals
what is Dermatophilus treated with?
antiseptic scrub if it doesn't respond to that or if it's on larger portions of the body you can treat with antibiotics
what does Strep equi ss zooepidemicus cause in foals?
arthritis
what is MRSA?
bacteria has developed resistance to multiple drugs particularly the beta-lactam antibiotics
what hemolysis does Strep. equi ss zooepidemicus have?
beta
what hemolysis is Staphylococcus aureus?
beta
what is the hemolysis of Streptococcus?
beta
specimens of skin and wounds may be collected by what ways?
biopsy, aspirate, swab, scabs or scrapings
what catalase and oxidase reaction is Staphylococcus?
cata + and oxid -
what is the cata and oxi reaction of Corynebacteria?
cata +/ oxi -
what is the cata., oxi., and coag. reaction?
cata +/ oxi -/ coag -
what is the cata and oxi reaction for Strep. equi ss zooepidemicus?
cata -/ oxi -
in what species does Actinomyces bovis causes lesions in?
cattle
what is the arrangement of Streptococcus?
chain cocci
what arrangement is Staphylococcus?
cocci
what is a infection of the skin?
dermatitis
Staphylococcus aureus causes what is horses?
dermatitis and folliculitis
what are Leukocidins?
destroys WBC's
what does Erysipelothrix rhusiopathiae cause in pigs?
diamond skin disease
what does surface pyoderma look like?
erythema, pustle, shiny skin that's moistened, odiferous
what does Staph hyicus start as?
exudative pyodermatitis which becomes systemic
what does Bacteroides nodosus cause in sheep with F. necrophorum?
foot rot
what does Fusobacterium necrophorum cause in ruminants?
foot rot
what is seen in puppy pyoderma (impetigo) superficial dermatitis?
get scabs and crusting, self-limiting- they will recover spontaneously without medication
what gram reaction does Actinomyces bovis show?
gram pos
what gram reaction is Corynebacteria?
gram pos
what is the gram reaction of Streptococcus?
gram pos
where is Actinomyces bovis found?
in the mouth of many animals
where is C. bovis found?
in the udder
what is furunculosis?
indicates deeper infection- boils, abscesses, acne
what is folliculitis?
infection in hair follicle
what is cellulitis?
infection of the SQ and interstitial spaces. can be extremely painful, high temp, anorexic
what are Enterotoxins?
invade the intestinal system associated with food poisoning
how does Actinomyces bovis produce Lumpy Jaw?
invades the bone of the mandible and produces an abscess inside the bone
in what species can Dermatophilus congolensis be found in?
it's ubiquitous- horses, cattle, sheep, goats, dogs, cats, and humans
what is seen in cases of deep pyoderma?
lots of tissue damage
what is Staph intermedius?
may also be involved in dermatitis, hard to differentiate from Staph aureus
Strep equi ss zooepidemicus produce what genital disease of horses?
metritis
what promotes the spread of Dermatophilus congolensis?
moist conditions
Actinomycetes is associated with what?
molds or fungus
how does Dermatophilus congolensis get in the body?
needs a break in the skin and direct contact by vector or fomite
what is MRSA associated with?
nosocomial infections, especially with stressed or compromised patients
what is Staph epidermis?
part of normal flora of skin. occasionally found as an opportunist in suture abscess or wounds
what is the arrangement of Trueperella pyogenes?
pleomorphic rods
what gram stain is Staphylococcus?
positive
what gram stain is Trueperella pyogenes?
positive
how can you keep slides aseptic?
put in a jar with alcohol and when you want to take one out remove with forceps and put over a flame to get the alcohol off
what is pyoderma?
pyogenic bacterial infection of skin
what arrangement is Corynebacteria?
rods
what arrangement does Actinomyces bovis show?
rods, may show branching
what is Hyaluronidase?
spreading factor
what is the easiest way to tell between staph and strep?
strep is cata negative
what may you find in the pus of Lumpy Jaw?
sulfur granules
how is pyoderma of dogs roughly described?
superficial and deep
what does Dermatophilus congolensis cause?
superficial dermatitis
what is Streps often associated with?
suppuration and abscess formation
what clinical signs are seen in animals with Foot Rot?
swelling, pain, can cause damage to the tendons
what is deep pyoderma associated with?
systemic disorders
thrush in horses is associated with what?
the horse is stabled in dirty, moist conditions
Staphylococcus aureus is an Ubiquitous organism meaning what?
they can be found anywhere
how does an animal contract Foot Rot?
they get a cut or bruise in it's toes and the bacteria gets in and it moves up the foot
what does Dermatophilus look like on BAP?
they grow white with a lacey appearance
what are Hemolysins?
toxins that destroy RBC's
how can you prevent Erysipelothrix rhusiopathiae?
vaccination
how does C. pseudotuberculosis enters the body?
via injury
what does Actinobacillus ligneresii cause in cattle?
wooden tongue- cellulitis on the tongue
what do you see in an animal with Dermatophilosis?
you'll have a scab with a bunch of hairs in it
who is Staph hyicus seen in?
young piglets
what media does C. pseudotuberculosis grow on?
BAP
what plates should be used for identifying these organisms?
BAP +/- MAC, DTM if fungal
what are some anaerobic culture vials used as transport medias?
BBL tube and Port-A-Cul Tube
what disease does C. pseudotuberculosis produce in sheep and goats?
Caseous Lymphadenitis
what conditions does Dermatophilus congolensis cause?
Dermatophilosis, Rain Rot, Lumpy Wool
Streptococcus are divided into what according to cell wall makeup?
Lancefield Groups
what does Actinomyces bovis cause?
Lumpy Jaw
what does MRSA stand for?
Methicillin Resistant Staph aureus
what organism is a common cause of pyoderma in all species?
Staphylococcus aureus
what does Strep pyogenes produce?
Strep throat, Scarlett fever, Rheumatic fever, endocarditis, toxic shock syndrome, necrotizing fasciitis
