Facilitated Molting as a Management Strategy During a Low-Pathogenic H1N2 Avian Influenza Outbreak in a Breeder Turkey Flock.

Authors

Oluwatimileyin Abolarin

Published in

Avian diseases. Volume 70. Issue 2. Pages 224-227.

Abstract

Low-pathogenic avian influenza (LPAI) outbreaks in turkey breeder flocks can significantly impair egg production and impact economic viability, particularly in regions densely populated with swine production. In December 2024, after an egg production drop in one barn of an otherwise normal four-barn, 54 wk-of-age turkey breeder flock in southwestern Ontario, Canada, an H1N2 LPAI strain was detected. Following PCR confirmation, a controlled nonfasted molt was initiated across the four barns to mitigate production losses and facilitate a relatively uniform viral clearance. Diagnostic monitoring included serial PCR and ELISA testing during and after molt. Results indicated rapid horizontal transmission during the molt, with all barns seroconverted by 56 wk of age. The flock achieved negative PCR status by week 60, and subsequent testing confirmed clearance of the pathogen. Postmolt production resumed at acceptable levels, suggesting that facilitated molting may serve as a viable management strategy for LPAI outbreaks in high-value breeder operations. This case highlights the potential role of molting as an adjunct to biosecurity and regulatory measures, though controlled studies are needed to further validate efficacy and further consider welfare implications.

PMID:
42440290
Bibliographic data and abstract were imported from PubMed on 13 Jul 2026.

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