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Mycoplasma iowae in turkeys (Meleagris gallopavo)

Published online by Cambridge University Press:  13 December 2013

B.J. WOOD  and
S.J. WILSON
B.J. WOOD*
Affiliation:
Hybrid Turkeys, Suite C, 650 Riverbend Drive, Kitchener, ON, Canada Department of Animal and Poultry Science, University of Guelph, Guelph, ON, Canada
S.J. WILSON
Affiliation:
Faculty of Veterinary Science, University of Sydney, NSW, Australia
*
Corresponding author: ben.wood@hendrix-genetics.com
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Abstract

Mycoplasma are a successful group of pathogens because of their ability to enterand colonise a host, whilst, at the same time, evading the bird's immuneresponse. Mycoplasma iowae (MI) is no exception and, whilemostly being a pathogen of turkeys, it can be found in other domestic poultry.It has the added ability of being able to induce a transient immune suppressionsituation, and this may result in a low to undetectable humoral immune response,giving it the capacity to conceal itself from the immune system. This makes MIboth difficult to diagnose and control. The organism has a range of straindependent pathogenicities and when it is pathogenic, it is primarily found inthe embryo and growing poult. This leads to a range of clinical presentationssuch as decreased hatchability (due to higher than expected embryonic mortality)and stunting and leg abnormalities in the growing poult. As a consequence of thesignificant variation in pathogenicity of field strain isolates, the isolationof a non-pathogenic MI may conceal the true origin of possible embryo and poulthealth issues. Control of pathogenic MI at the commercial level is primarilythrough sourcing pathogenic MI free stock and the maintenance of appropriatebiosecurity levels.

Keywords

Mycoplasma iowaeturkeystreatmentcontrol

Information

Type
Review Article
Information
World's Poultry Science Journal , Volume 69 , Issue 4 , December 2013 , pp. 909 - 916
Copyright
Copyright © World's Poultry Science Association 2013 

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