Storage of prescription veterinary medicines on UK dairy farms: a cross-sectional study

summary of:
Storage of prescription veterinary medicines on UK dairy farms: a cross-sectional study
Syringe with glass vials and medications pills
Author(s):
G.M. Rees, D.C. Barrett, H. Buller, H.L. Mills and K.K. Reyher
Published in:
Date:
January 2019
DOI:
Type of access:

Open Access

In our edition of: Apr 2019
In our categories of: farm animals

our summary:

Rees, G.M. et al. (2019) Storage of prescription veterinary medicines on UK dairy farms: a cross sectional study. Veterinary Record,184, p. 153

The aim of this cross-sectional study was to report on the quantity, composition and storage of prescription veterinary medicines (PVMs) on UK dairy farms.

Twenty-seven dairy farms from seven counties in South West England and South Wales under the care of nine veterinary practices were enrolled. All the farms were visited once in autumn 2016 and the farmers were asked not to alter the medicines stored on their farms prior to the visit. Data was collected from structured interviews, on-farm records, and information on all PVMs found during the visit was recorded on-site in pre-prepared spreadsheets.

The study found that most PVMs were stored in lockable storage and in a compliant area of the farm however 29 % were stored in a non-compliant way. Ten farms stored 100 % of PVMs in a lockable area, whilst two farms did not store any PVMs in a lockable area. The number of different PVMs found on farms ranged from 9-35 with a median of 19, antimicrobials were the most commonly stored by both frequency and total weight. 89% of farms stored at least one highest priority, critically important antimicrobial (HP-CIA).

Twenty-five farms were found to have at least one expired PVM. Sixteen farms were found with PVMs not licensed for use in dairy cattle, including 7 different unlicensed antimicrobials.

Limitations of the study included the data being from a small number of dairy farms from a selected region in the UK, the fact that the study took place in the autumn, around the time of housing for many farms so the data may be different if repeated in different seasons. The authors also suggest that the larger herd size of the study farms may also have influenced the way PVMs were stored as larger herds are more likely to have frequent veterinary visits meaning lower storage of PVMs as the farms would have additional resources available through the veterinary visits.

Take Home

The use of PVMs in the UK, and in particular reducing the use of antimicrobials, is an area of increasing focus for the veterinary profession, dairy farms and agricultural sector.

This study provides useful data on the storage of PVMs on dairy farms which will help veterinary surgeons understand the ways in which medicines are used after they are prescribed. The data will also be useful for heard health planning meetings. Data from an ongoing longitudinal study on the use of antimicrobials, including HP-CIAs, will add to the overall picture when published. Further research on the use of unlicensed PVMs, prescribed via the cascade, in dairy cattle is encouraged.

Image copyright attribute: Keng Po Leung

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