Coccidiosis vaccination is a critical tool to mitigate economic losses for broiler producers. However, dry litter conditions and low placement densities can complicate successful vaccine replication and subsequent immunizing exposure.
Research conducted in the US and Germany showed that feeding broilers Quillaja saponaria trees and Yucca schidigera plants improved performance, nutrient digestibility and the physical condition of their intestinal tract, both when the birds were healthy and when they faced a parasitic disease challenge.
Using a dietary supplement containing a blend of Bacillus bacterial strains appears to positively affect the intestinal health and immunity of broiler chicks after a coccidia challenge, according to a Frontiers in Microbiology report.
Past knowledge can provide useful insight to control the latest outbreak of avian metapneumovirus in the US poultry industry, according to two leading experts on the disease.
A risk-assessment model for Salmonella demonstrates the potential public health benefit of focusing on chicken parts that are heavily contaminated with highly virulent serotypes of this bacteria instead of focusing on low-virulent serotype.
Despite the industry’s best efforts to control colibacillosis in layers, broilers and breeders, the bacterial disease caused by avian pathogenic Escherichia coli (APEC) continues to challenge producers and researchers.
Most poultry producers today use vaccines to help manage coccidiosis. Live coccidial vaccines are designed to uniformly infect birds with a controlled number of Eimeria oocysts to stimulate a protective immune response, but not all vaccines are the same.
By Michael Czarick
Extension Specialist – Engineering
University of Georgia
Department of Poultry Science
Researchers investigating combinations of plant-derived ingredients observed a positive impact of a specific phytogenic feed additive when looking at production performance and meat quality in broilers — with particularly notable results for larger birds.
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.
Prolonged exposure to heat stress can lead to respiratory injury in broiler chickens, according to a recent study in China.
Using the antibiotic bacitracin in poultry poses virtually no risk of an untreatable human infection from antimicrobial-resistant bacteria originating from chicken and turkey products, reports Randall Singer, DVM, PhD, University of Minnesota.
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