Gram Positive Bacteria
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What does Staphlyococcus affect in the body?
common commensal organism of skin and mucous membranes of humans and animals
deriving slight benefit without causing much harm
Is Staphlyococcus pathogenic?
What kind of tissues does Staphylococcus have the capacity to invade?
- abscesses, pustules
presence of bacteria in the blood stream
disease caused by the spread of bacteria and their toxins in the bloodstream
Inflammatory response to Staphylococcus brings in _____.
What are the major factors in food poisoning in humans?
What are the different infections caused by Staphylococcus?
- UTI - urinary tract infections
What is MRSA?
- methicillin resistant Staphylococcus aureus
- resistant to many commonly used antimicrobial drugs
- more common in people but has been found in dogs, cats, horses, and cattle
What are the gram positive bacterias?
- Listeria (small rod)
- Erysipelothrix (small rod)
- Bacillus (large rod)
- Clostridium (large rod)
Where do we normally find Streptococcus in the body?
- mucous membranes of genital, upper respiratory, and digestive tracts
Is Streptococcus pathogenic or non-pathogenic?
Does Streptococcus produce toxins?
What is Streptococcus pyogenes?
strep throat in people
What are some other Streptococcus infections?
- bovine mastitis
- equine strangles
What does equine strangles affect?
- submandibular swelling and abscessation
- lymph node infection
What are the symptoms of equine strangles?
- nasal discharge
- may infect guttural pouches
What is Streptococcus equi?
What are guttural pouches?
- air filled
- extend of Eustachian tubes
- connect middle ear to pharynx
- equalize pressure in the ear
How is equine strangles transmitted?
on fomites and other horses
Is there a vaccine for equine strangles?
yes, but it's not 100% effective
What is Streptococcus zooepidemicus?
- genital infection in mares and cows
- naval infection - arthritis in foals
- epididymitis in stallions
- infects wounds of horses
Where is Micrococcus luteus found?
in soil, dust, water, and air
Where is Micrococcus normally found?
part of normal skin flora, amy be found in mouth and upper respiratory tract
Where is Entercoccus faecalis found?
commensal organism in GI tracts of mammals
Where is Listeria found?
- soil, feces, genital secretions, moldy hay
- raw and processed foods
What is listeriosis in ruminants?
- "circling disease"
- cranial nerve dysfunction
- microabscesses of brainstem
- transmissible to people
- rotting vegetation, silage
Is there a vaccine for listeriosis?
Which animal does Erysipelothrix affect the most?
Where is Erysipelothrix found?
on mucous membranes
How is Erysipelothrix transmitted?
by direct contact and fomites
What are the different forms of Erysipelothrix?
- acute septicemia
- skin - diamond skin disease of abdomen, ears, and snouth
- endocarditis and arthritis
Is there a vaccine available for Erysipelothrix?
Is Erysipelothrix zoonotic?
yes - skin wounds - direct contact and MLV
What are the different types of Bacillus?
- Bacillus anthracis
- Bacillus cereus
- Bacillus subtilis
What is Bacillus anthracis?
cutaneous, gastrointestinal, pulmonary forms
Where is Bacillus cereus found and what can it cause?
- found in soil
- can cause food-born illness
Where is Bacillus subtilis found?
What is Clostridium chauvoei?
blackleg in cattle
How do cattle get blackleg?
What is blackleg in cattle?
blackened muscle tissue, gas production
Is there a vaccine available for blackleg?
What is Clostridium septicum?
What is Clostridium perfringens?
- hemorrhagic gastroenteritis in dogs
What is Clostridium botulinum?
What is Clostridium hemolyticum?
red water disease in cattle
What is Clostridium tetani?
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