US broiler operations commonly reuse litter for environmental and economic reasons. Research and real-world results have shown that the first broiler flock raised on brand-new litter underperforms flocks raised on used litter, but the reasons remain unclear.
Poultry farmers face major challenges finding and disposing of mortalities on the farm, but a commercial manufacturer has created a mobile robotic system equipped with multiple cameras that traverses the ceiling to identify mortalities in the barn. Tanner Thornton, University of Tennessee, described a test of the system at the 2025 IPPE.
Waiting for the H5 influenza outbreak to slow down in dairy cattle is no longer enough for the AAAP and PSA. The two groups teamed up to push for more action to help the dairy industry address its growing outbreak of highly pathogenic avian influenza. In PSA’s Unplucked podcast “H5 Influenza Uncovered” veterinarians from both organizations discussed this topic.
Culling day-old male chicks from egg-laying hens is an on-going dilemma for the global poultry industry, resulting in the culling of 7 billion male chicks annually. At the 2025 International Poultry Scientific Forum, Yuval Cinnamon, PhD, outlined the work his research team has done on the Golda hen and optogenetics — a blue-light treatment — to halt the development of male chicks and thereby the need for culling.
Nearly 1,200 poultry scientists, researchers, students and professionals from academia, industry and government agencies across the US, Canada, Mexico, Brazil and beyond will gather in Raleigh, North Carolina, for the 2025 PSA Annual Meeting, taking place from July 14 to 17.
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By Tom Tabler, PhD
Professor, Extension Poultry Specialist
University of Tennessee Extension Service/Animal Science Department
Middle Tennessee AgResearch and Education Center
Spring Hill, Tennessee
In response to the ongoing H5N1 avian influenza outbreak and questions surrounding the use of vaccination to control the disease, several experts from the American Association of Avian Pathologists (AAAP) created a fact sheet on H5N1.
As poultry companies weigh cost and efficiency with higher animal welfare standards, research comparing conventional and slow-growing broiler breeds showed that the slow-growing chickens displayed behaviors more closely associated with positive welfare.
Nearly 800 poultry health professionals from more than 25 countries will gather in Portland, Oregon, from July 29 to 31 for the 2025 conference of the American Association of Avian Pathologists.
University of Georgia researchers, led by Maricarmen Garcia, PhD, have developed a new genotyping assay for analyzing clinical samples of infectious laryngotracheitis virus (ILTV). Identifying the genotype of the outbreak-related virus and determining its genetic relationship to field or vaccine strains is key to diagnosing ILTV.
The ancestor of the modern-day chicken, the red jungle fowl, was exposed to different spectra of light in their natural habitat. The surrounding environment, vegetation, season and time of day all affect the color of light exposure to the wild bird, which may have lingering behavioral effects on present-day poultry.
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