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Article History

Received: 2 December 2018

Accepted: 18 July 2019

First Online: 29 July 2019

Ethics approval and consent to participate

: All interventions were carried out under the direct supervision of veterinarians licensed with the Veterinary Council of New Zealand, as part of routine provision of animal care to this farm and following written consent of the animals’ owner. Consequently, under Section 5(2) of the Animal Welfare Act 1999, New Zealand, ethics approval is not applicable. Sample collection was performed at times previously scheduled for animal handling (milking) at the specific written request of the farm owner.

: Not applicable

: The authors declare that they have no competing interests.