Fighting liver abscesses in cattle - A new scientific approach

USAgNet - 03/21/2024

Liver abscesses in cattle are a significant concern for the agricultural industry, leading to financial losses and impacting animal health. Researchers from the USDA, Texas Tech University, Kansas State University, and West Texas A&M University are collaborating on a project to better understand this condition. Their goal is to create reliable models that mimic the development of liver abscesses, which will help identify triggers and develop prevention strategies.

The team's efforts have led to the creation of a successful model that shows a 50% prevalence of liver abscesses, focusing on dairy and beef-dairy cross steers. They are examining how diets and bacteria play a role in the development of this condition. Findings suggest that high-grain diets may increase the risk by causing a drop in rumen pH, potentially leading to bacterial infection in the liver.

Interestingly, research indicates that bacteria responsible for liver abscesses may not always originate from the rumen, suggesting alternative infection routes. This has implications for treatment and prevention strategies, which currently rely heavily on in-feed antibiotics. With public concern over antibiotic use, the research is also exploring non-antibiotic interventions, such as nutrition management.

This collaborative research is crucial for animal welfare and the cattle industry's sustainability. By understanding the complexities of liver abscesses, scientists hope to develop effective prevention methods, reducing reliance on antibiotics and enhancing the overall health of cattle populations.

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