Minimum of 2 ml milk each sample in a tube 1/4 to 3/4 full. Bulk milk, quarter or composite cow samples accepted. Freeze samples immediately after collecting. Samples must remain cold, preferably frozen during shipping. See Best Practice: Milk Samples (link) for detailed instructions on sample collection.
This test is used to screen samples for the presence of Strep agalactiae, a contagious mastitis pathogen.
Results reported: Streptococcus agalactiae / Streptococcus species / No Strep present
Sterile tube (2oz flip-top tubes preferred)