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Reducing Antimicrobial Usage in Pig Production without Jeopardizing Production Parameters.

M Postma1, W Vanderhaeghen1, S Sarrazin1

  • 1Veterinary Epidemiology Unit, Department of Reproduction, Obstetrics and Herd Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.

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Summary
This summary is machine-generated.

Reducing antimicrobial usage (AMU) in pig production is achievable through optimized herd management and biosecurity. This study demonstrated significant AMU reduction and improved pig health and productivity.

Keywords:
Antimicrobial reductionbiosecurityherd optimizationpig productionteam effortvaccination

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Area of Science:

  • Veterinary Medicine
  • Animal Science
  • Agricultural Economics

Background:

  • Antimicrobial usage (AMU) is notably high in pig production systems.
  • Farmers recognize the issue, but effective interventions for reducing AMU are not well-established.
  • Optimizing herd management and biosecurity are potential strategies to mitigate high AMU.

Purpose of the Study:

  • To evaluate the reduction of AMU in pig production through optimized herd management, biosecurity, vaccination, and anthelmintic strategies.
  • To explore the impact of these interventions on herd production performance.
  • To assess the feasibility of guided, team-based interventions involving farmers and advisors.

Main Methods:

  • An intervention study involving 61 Flemish pig herds with three visits per herd.
  • Data collection on herd management, biosecurity (Biocheck.UGent™), vaccination, anthelmintic therapy, and AMU.
  • Development and implementation of herd-specific action plans in collaboration with farmers and veterinarians.
  • Evaluation of progress after approximately 8 months.

Main Results:

  • Significant improvements in external (2.4 points) and internal (7 points) biosecurity scores.
  • Substantial reduction in AMU: 52% decrease for pigs from birth to slaughter and 32% for breeding animals (based on treatment incidences).
  • Significant reduction in the use of critically important antimicrobials.
  • Improved technical results: +1.1 piglets weaned per sow per year, +5.9 g/day daily weight gain, and -0.6% finisher mortality.

Conclusions:

  • Guided, collaborative interventions involving farmers and veterinarians are effective in reducing AMU in pig production.
  • Enhanced biosecurity and reduced AMU correlate with improved animal health and production efficiency.
  • This approach offers a promising strategy for sustainable antimicrobial stewardship in swine farming.