Milking machines and mastitis
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This year the NZVA Conference includes a number of workshops running on Friday 22 June. This workshop is open to all dairy cattle veterinarians, whether or not you are attending the conference. If you are attending the conference we recommend you register for the workshop during your conference registration.

When: Friday, June 22, 2018
8:30 AM
Where: Claudelands Event Centre
Brooklyn Road
Hamilton, Waikato 
New Zealand
Contact: Shannon Leader
04 495 1145

Online registration is closed.
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The industry goal is that “by 2020, Dry Cow Therapy will only be used in the treatment of existing intramammary infections.Understanding milking machine function and the interaction between the milking machine and the cow is an important part of a mastitis investigation, while, understanding and optimising milking machine performance - to reduce mastitis - will be critical for the future management of mastitis in New Zealand.

Who should do this course?

Dairy cattle veterinarians with an interest in mastitis management.

Learning outcomes

  • Get familiar with components of a milking machine, how it works and its effect on the cow and mastitis.
  • Learn about the latest technology in automation including ACR’s and in line mastitis detection.
  • Understand how the test is done and what the machine test results mean by completing a full machine test with an MPTA machine tester.


  • Increased confidence when discussing mastitis issues and test results with milking machine technicians.
  • Put service into practice during a mastitis investigation


Steve Cranefield

Steve has 24 years experience in mixed animal practice with the Veterinary Enterprises group where he was involved in clinical work, practice management and veterinary training. His focus over the last six years has been on mastitis management as he helped to establish PureMilk as a senior mastitis consultant. Steve recently joined Agrihealth as a technical manager with a focus on veterinary education. He tutors the DCV Ultrasound Roadshow, and the Advanced Mastitis Course and he is a member of the National Mastitis Advisory Council. Steve was recently elected onto the DCV committee and he also sits on the Veterinary Professional Insurance Society (VPIS) board and is an assessor for dairy related insurance claims.

John Penry

John is the Researcher and Head of Advisory Services for Cognosco/Anexa FVC in Morrinsville. After graduating from University of Melbourne Veterinary Science in 1990, John worked in mixed dairy practice at Camperdown in SW Victoria for 21 years as firstly an associate and, later, a practice owner. From the late 1990’s, after completing a Masters program in dairy medicine and management, he spent a large portion of each year involved with various industry funded Australian national animal health programs including Countdown (mastitis and milk quality) and InCalf. John completed a PhD program in 2016 at the University of Wisconsin-Madison conducting milk harvesting research with his advisor, Professor Doug Reinemann and Irish post-doc, Dr John Upton. He is now a member of the dairy research and advisory teams at Cognosco/Anexa FVC in New Zealand.


Download all conference workshop programmes here.