Traditional methods to detect Salmonella in poultry and trace outbreaks often fail to give the full picture of the threat in enough time for integrators to act. This lack of oversight limits the effectiveness of intervention strategies designed to mitigate Salmonella transmission.
Poultry farms seeking protection against infectious laryngotracheitis (ILT) outbreaks may find the best defense for layers and broiler-breeder replacement birds is a dual ILT vaccination program.
Breeding birds for efficient cage-free production requires developing healthy hens that lay an egg every day for 100 weeks and possibly up to 200 weeks in the future, reported Sijne Van der Beek, PhD, chief technology officer, Lohmann Breeders, The Netherlands.
By Daniel Wilson, DVM
Wilson Veterinary Co.
Indianapolis, Indiana
Without other stressors to skew results, altering stocking density (SD) within common ranges does not affect the well-being of layer chicks being transported from hatcheries to pullet-rearing operations.
Formaldehyde fumigation is a conventional method used to control total environmental microbial counts in the hatchery. However, according to Christine N. Vuong, PhD, University of Arkansas, this method does not differentiate between beneficial or pathogenic microbes.
Bird welfare is improved in cage-free layer systems compared to cage systems, but indoor air quality suffers in a cage-free environment due to higher bird activity.
The move to cage-free egg production in the US and Europe created a seismic change in hen breeding programs.
By Daniel Wilson, DVM
Wilson Veterinary Company
Indianapolis, Indiana
Damaging behaviors in poultry include feather pecking, vent pecking, and toe pecking. While feather and vent pecking are well-known welfare problems in poultry that have received significant attention from researchers and farmers, toe pecking remains relatively unknown.
Currently, 34% of laying hens used for commercial egg production in the United States are housed in cage-free environments. This number will nearly double to 66% by 2026 by to meet retailer demands and state legislation requirements. How do we prepare for this increase?
By Alexander W. Strauch, DVM
Four Star Veterinary Service, LLC
Minton Veterinary Service Office
Chickasaw, Ohio
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