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New studies aim to solve cattle liver abscess mystery

By Farms.com

Liver abscesses represent a critical issue in cattle farming, affecting both the well-being of animals and the financial health of industry. In an unprecedented collaborative effort, scientists from the USDA and various universities are delving into the causes and development of liver abscesses in cattle. Their research aims to create effective models to study this condition, shedding light on how to prevent it. 

A notable achievement of this collaboration is the establishment of a liver abscess model that demonstrates a consistent 50% prevalence rate. The research primarily focuses on the dietary causes and bacterial involvement in liver abscess formation. High-grain diets have been identified as a possible risk factor due to their impact on rumen pH levels, potentially facilitating bacterial infections that lead to abscesses. 

The findings have also introduced the possibility that the primary bacteria involved in these abscesses might come from parts of the gastrointestinal tract other than the rumen, challenging previous assumptions and indicating new directions for prevention and treatment. 

This quest for knowledge extends beyond the academic realm, aiming to replace antibiotic treatments with more sustainable solutions, such as adjustments in nutritional management. Such advancements could lead to significant improvements in cattle health and welfare, while also addressing public concerns over antibiotic resistance. 

This groundbreaking research underscores the importance of scientific collaboration in addressing complex agricultural challenges. By understanding the intricacies of liver abscesses in cattle, the agricultural community hopes to develop innovative, effective strategies for prevention and treatment, ensuring the sustainability and profitability of cattle farming.


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Assessing Welfare Resources During Late Finish - Dr. Anna Johnson & Emma Coursey

Video: Assessing Welfare Resources During Late Finish - Dr. Anna Johnson & Emma Coursey


In this episode of The Swine Nutrition Blackbelt Podcast, Dr. Anna Johnson from Iowa State University and Emma Coursey from the University of Illinois discuss research evaluating welfare resources during the late finishing stage on commercial swine farms. They explain how feeder management, water use, space allocation, and pig health influence welfare outcomes and practical on-farm management. Listen now on all major platforms!

"Small resource issues can become larger welfare problems when multiple stressors interact across finishing barns."

Meet the guests: Dr. Anna Johnson / anna-johnson-05028a14 is the Morrill Professor of Animal Behavior and Welfare at Iowa State University. She earned her Ph.D. in Animal Sciences from Texas Tech University and completed her master's degree in Applied Animal Behaviour and Welfare at the University of Edinburgh. Her research focuses on practical solutions that improve farm animal welfare, including sow productive lifetime, animal-human interaction, environmental enrichment, and Precision Livestock Farming.

Emma Coursey / emma-coursey-183810241 is pursuing a Doctor of Veterinary Medicine degree at the University of Illinois College of Veterinary Medicine after earning a bachelor's degree in Animal Science from Iowa State University. Her academic interests include swine health, production, and animal welfare, with research experience evaluating welfare resources in commercial finishing pigs.