Article Text

Antimicrobial resistance
Treatment of clinical mastitis in dairy cattle
  1. Trevor Jones
  1. Eaton Lodge, 10 Station Road, East Leake, Loughborough LE12 6LQ, e-mail:

Statistics from

ANDREW Bradley, James Breen and Barbara Payne (VR, April 9, 2016, vol 178, p 377) state that chromogenic cephalosporin-based tests for β-lactamase, that is, nitrocefin tests, are unreliable and not recommended for detection of β-lactamase (penicillinase) producing Staphylococcus aureus, referencing EUCAST (2012).

EUCAST guidance applies exclusively to human strains of staphylococci and does state that penicillinase producers should be reported as penicillin resistant (EUCAST …

View Full Text

Request permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.