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Related Experiment Videos

Liver abscesses in feedlot cattle.

T G Nagaraja1, Kelly F Lechtenberg

  • 1Department of Diagnostic Medicine/Pathobiology, College of Veterinary Medicine, Kansas State University, Manhattan, KS 66506-5606, USA. tnagaraj@vet.k-state.edu

The Veterinary Clinics of North America. Food Animal Practice
|July 4, 2007
PubMed
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Liver abscesses in feedlot cattle cause significant economic losses. New strategies, including less fermentable feed by-products and vaccines, are needed to control these conditions and reduce antimicrobial use.

Area of Science:

  • Veterinary Medicine
  • Animal Science
  • Ruminant Nutrition

Background:

  • Liver abscesses in feedlot cattle are a significant economic issue, leading to liver condemnation and reduced animal performance.
  • Aggressive grain-feeding programs and ruminal acidosis are primary contributors to liver abscess development.
  • Current control strategies primarily rely on tylosin, which reduces incidence but highlights the need for alternative methods.

Purpose of the Study:

  • To explore alternative strategies for controlling liver abscesses in feedlot cattle.
  • To investigate the potential of less fermentable corn milling by-products in managing liver abscesses.
  • To address the need for reduced antimicrobial usage in cattle production.

Main Methods:

  • The study focuses on evaluating dietary strategies and available vaccines for liver abscess control.

Related Experiment Videos

  • Investigates the role of corn milling by-products as a less fermentable feed option.
  • Considers the efficacy of a commercially available vaccine.

    • Main Results:

    • Tylosin currently reduces liver abscess incidence by 40% to 70%.
    • Less fermentable feed components may offer a viable alternative to antimicrobials.
    • A commercially available vaccine provides another option for control.

    Conclusions:

    • New methods beyond tylosin are crucial for effective liver abscess management in feedlots.
    • Corn milling by-products present a promising avenue for reducing reliance on antimicrobials.
    • Integrated approaches, potentially including vaccines and dietary modifications, are needed for sustainable control.