Histomoniasis outbreaks in commercial turkeys in the southeastern United States: Proximity of broiler breeder farms as a potential risk factor in disease development

Autor: Michael P. Martin, R.E. Jones, O.J. Fletcher, D.V. Rives
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Journal of Applied Poultry Research, Vol 29, Iss 2, Pp 496-501 (2020)
ISSN: 1056-6171
Popis: Summary Histomoniasis, an infectious disease of turkeys and other gallinaceous birds, has significant impacts on the health and welfare of infected turkey flocks. No preventatives or treatments for the disease are available. In the current study, the proximity of broiler breeder farms as a potential risk factor for histomoniasis in grow-out tom flocks was assessed using 2015 retrospective data provided by a commercial turkey integrator located in North and South Carolina. Company grow-out tom farms were grouped into potential “at risk” categories based on distance from broiler breeder farms. Presence of a broiler breeder flock within 1 mile of a grow-out tom farm placed that tom farm at a higher relative risk (RR) (RR = 3.45; 95% CI = 1.7519–6.8121; P-value = 0.0196) for occurrence of histomoniasis. There was no increased RR of histomoniasis at tom farms in distance categories beyond 1 mile from a broiler breeder flock. These results are consistent with variable transmission of Heterakis eggs harboring Histomonas from broiler breeder houses to susceptible turkey farms based on distance between farms.
Databáze: OpenAIRE