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Optimizing antimicrobial use by improving medication adherence among pig producers.

Ryohei Toya1,2, Yosuke Sasaki3, Ryoko Uemura4

  • 1Production Medicine Center, Agricultural Mutual Aid Association in Miyazaki Prefecture, Miyazaki, Japan.

Animal Science Journal = Nihon Chikusan Gakkaiho
|April 13, 2022
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Implementing interventions for chronic diseases in pig farms improved medication adherence, leading to reduced antimicrobial use. This promotes responsible antimicrobial stewardship in swine production.

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Area of Science:

  • Veterinary Medicine
  • Animal Science
  • Antimicrobial Stewardship

Background:

  • Antimicrobial use in pig production is a significant concern, with potential for overuse.
  • Veterinarian prescriptions guide antimicrobial acquisition, but producer practices may deviate, especially for chronic diseases.
  • Reducing antimicrobial frequency is crucial for responsible use and combating resistance.

Purpose of the Study:

  • To decrease antimicrobial usage in swine production by applying medication adherence principles.
  • To evaluate the effectiveness of interventions targeting chronic disease prevention and management on adherence and antimicrobial consumption.
  • To promote responsible and prudent antimicrobial use in farrow-to-finish pig farms.

Main Methods:

  • An intervention was implemented on eight farrow-to-finish farms focusing on preventing chronic infections and optimizing medication adherence.
  • Interventions included confirming medication necessity and discontinuing use when possible, with implementation staggered between 2017 and 2020.
  • Antimicrobial use was evaluated using active ingredients per population correction unit and defined daily doses per slaughter pig.

Main Results:

  • All eight intervention farms showed a decrease in antimicrobial use indicators by 2020 compared to the intervention start.
  • Six of the eight non-intervention farms experienced an increase in both antimicrobial use indicators.
  • The intervention demonstrated a significant reduction in antimicrobial consumption.

Conclusions:

  • Interventions focused on managing chronic diseases enhance medication adherence among pig producers.
  • Collaborative efforts between producers and veterinarians are key to achieving responsible and prudent antimicrobial use.
  • This approach effectively reduces antimicrobial frequency in swine farming.