Guidelines for Mastitis Causing Bacteria

Derived From BTM Analysis

CAUSATIVE AGENTS/SOURCES

ANALYSIS

Environmental Strep spp.

V. ES>100=UNACCEPTABLE (Pathogen and has ability to cause transient increases in bacteria numbers in BTM)

(Include members of Streptococcus, Enterococcus, Lactococcus, and Aerococcus

1. Intramammary Infections

2. Unsanitary Environment

3. Poor Pre-Milking Hygiene

Gram-Negative Non-Coliforms

NC<300=ACCEPTABLE

NC<300=UNACCEPTABLE

1. Unclean equipment

2. Improper Sanitizing Practices

3. Milkstone Deposits

1. Improper cleaning and drying of teats prior to milking

Coagulase-Negative Staphylococci

(Oppotunistic paths and part of resident flora on teat skin. If given favorable conditions they colonize teat canal and enter gland to produce mastitis)

1. Improper cleaning and drying of teats prior to milking

Mycoplasma

Present=Unacceptable

1. Infected Individuals in Herd (Contagious)