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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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Causal Impact Of PRRS Dosing - Dr. Edison Magalhaes

Video: Causal Impact Of PRRS Dosing - Dr. Edison Magalhaes


In this episode of The Swine Health Blackbelt Podcast, Dr. Edison Magalhaes from Iowa State University presents findings from a large-scale retrospective cohort study evaluating the causal impact of full-dose PRRS immunization on nursery mortality. Using production data and advanced analytical methods, he explains how confounding factors changed the interpretation of results and highlights practical lessons for veterinarians and producers making data-driven decisions. Listen now on all major platforms!

Click here to read the full research article: https://pmc.ncbi.nlm.nih.gov/articles...

"Raw production data can mislead immunization decisions when confounding factors hide the real value of full-dose PRRS protocols."

Meet the guest: Dr. Edison Magalhaes / edison-magalhaes-9b37b812a is an Assistant Professor in the Department of Animal Science at Iowa State University and holds degrees in Veterinary Medicine, Business Administration, and advanced training through MSc and PhD programs. His research applies data science and epidemiological methods to large scale swine production systems, helping transform production records into practical decisions for health and performance. Listen to The Swine Health Blackbelt Podcast featuring Dr. Edison Magalhaes on all major platforms.