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.
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.
Coccidiosis ranks in the top 10 poultry health concerns worldwide, and the cost of its control can be significant. Kayla Price, PhD, poultry technical manager, outlined points to consider and how to build an arsenal of alternative products to manage coccidiosis in poultry flocks.
Two direct-fed microbials (DFMs) have shown promise in reducing health problems associated with Enterococcus cecorum in broilers.
By Vishal Manjunatha, PhD
Clemson University
Clemson, South Carolina
By Guillermo Zavala, DVM, MAM, PhD, Dipl ACPV
Avian Health International, LLC
Athens, Georgia
The avian flu virus continues to affect poultry producers and dairy farms in 2025. In North Carolina alone, the virus has resulted in the loss of millions of birds on poultry farms. Meanwhile, less than a year after avian flu was first detected in dairy herds, a new strain of the virus has been found in Nevada cows. Matt Koci, PhD, a virus expert and professor with NC State University’s Prestage Department of Poultry Science, offers insights.
Enteritidis is one of the most common serotypes of Salmonella globally and is historically associated with poultry. Unfortunately, antibiotic resistance is making it more challenging to treat.
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