The USDA Center for Veterinary Biologics has granted Huvepharma approval for the manufacturing and sale of a new broiler-breeder coccidiosis vaccine, Advent P, which contains Eimeria necatrix and E. brunetti.
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Emily Kimminau, PhD, technical service manager at Merck, says the loss of effective in-feed treatments to control blackhead means the disease — which can reduce performance, increase mortality and drive secondary infections — has seen a resurgence in U.S. flocks.
For turkey producers, blackhead remains a high-impact threat, particularly in young birds, where infection can spread quickly and cause major losses. Unfortunately, there are limited approved treatment options compared with past decades.
What does it mean when Newcastle disease virus appears in diagnostic testing during respiratory disease investigations? According to Mark Jackwood, PhD, and Jose Linares, DVM, of Ceva Animal Health, the answer often has less to do with Newcastle itself and more to do with the complex mix of pathogens affecting commercial flocks.
In December 2025, US Poultry & Egg Association (USPOULTRY) released an updated report quantifying the US poultry industry’s on-farm antibiotic use.
Research from Isabel Gimeno, PhD, DVM, North Carolina State University, is adding to the growing support of the role of in ovo vaccination in bolstering early immunity against disease risks both broilers and layers face in the field.
Artificial light remains the industry standard in modern broiler production because it is highly controllable and can provide a consistent, uniform light source. While some studies demonstrate the benefits of artificial lighting, other research suggests that the same environment may negatively affect ocular and leg health.
In this Q&A, Daniel Maekawa, DVM, PhD, technical services veterinarian with Merck Animal Health, discusses how producers can approach aMPV with a practical, integrated mindset — bringing together biosecurity, vaccination and management to reduce complex-level impact.
Field data from a large commercial layer enterprise confirm that Cargill’s Biostrong™ C-Protect — a postbiotic/phytogenic blend — supports improved livability in layers in the face of avian pathogenic Escherichia coli (APEC).
Ventilation shutdown with heat and humidity may be superior to other methods of broiler depopulation under controlled environmental conditions, but this method requires further study under industry-like conditions, according to researchers at North Carolina State University.
As resistance continues to erode the effectiveness of traditional anticoccidial programs in turkeys, veterinarians are increasingly focused on strategies that protect birds while preserving available tools. A multi-year field experience with a US heavy tom producer suggests that coccidiosis vaccines can play a practical role in conventional rotation programs.
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