- Streptococcus
- Streptococcus
- Streptococcus
- Streptococcus
- Escherschia
- Mannheimia
- Mycoplasma
- Actinomyces
- dysgalacticae
- uberis
- haemolytica
- pyogenes
- Found only in the udder. Cow to cow transfer.
- Found within the udder and in cracks on teat. Cow to cow transfer.
- In the environment and bedding. Bacteria transferred onto teat between milkings.
- Fungi that causes mastitis not killed by antibiotics.
- bovis
- coli
- agalacticae
- aureus
- Main cause of mastitis in sheep. Found in throat of lambs.
- Causes summer mastitis, spread by flies.
- In the enironment and in carrier cows. Cow to cow transfer.
- Especially common on damaged teat skin, also involved in summer mastitis. Cow to cow transfer.