Gram-negative mastitis isn’t always as it appears. Learn the programs and protocols you’ll need to identify and treat it effectively.
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Identifying Gram-negative mastitis

December 16, 2013
POSTED BY: Bradley Mills | DVM | Senior Veterinarian | Dairy Technical Services | Zoetis

Gram-negative mastitis used to be thought of just as Grade 3 mastitis. Today, however, that is not the case. Gram-negative mastitis also can be Grade 1 and Grade 2 as well.

Symptoms of Gram-negative mastitis:

  • Grade 1 – clots, flakes
  • Grade 2 – clots, flakes, udder swelling
  • Grade 3 – also abnormal temperature, off feed, dehydration

Keys to effectively treating Gram-negative mastitis:

  • Mastitis identification protocols: Do all milking technicians know how to properly identify mastitis?
  • Culturing programs: Can you culture on farm or is there a local culturing facility where you can get rapid results?

Watch this Milk Quality Focus video where I go into more detail on the programs and protocols you and your employees need to follow to successfully identify and treat Gram-negative mastitis on your operation.


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