Macrorhabdus ornithogaster (Megabacterium) Infection in Adult Hobby Chickens in North America

Elena L. Behnke; Oscar J. Fletcher

doi:10.1637/9569-100710-Case.1

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Elena L. Behnke,^1,* Oscar J. Fletcher²

¹AGeorgia Poultry Laboratory Network, Carnesville Branch, 159 A.T. Mauldin Drive, Carnesville, GA 305
²BNorth Carolina State University College of Veterinary Medicine, 4700 Hillsborough Street, Raleigh,

^*Corresponding author. E-mail: ebehnke@gapoultrylab.org

Abstract

A field investigation was conducted on a flock of adult hobby chickens showing intermittent signs of enteritis. Roosters examined in the initial field visit and postmortem had cecal worms, roundworms, tetratrichomonads, and coccidiosis. Macrorhabdus ornithogaster was diagnosed histologically in the mucosal isthmus of the proventriculus and ventriculus. Three roosters and two hens were examined in a follow-up investigation of the flock conducted 9 days later. Macrorhabdus ornithogaster was confirmed in one hen.

Citation Download Citation

Elena L. Behnke and Oscar J. Fletcher "Macrorhabdus ornithogaster (Megabacterium) Infection in Adult Hobby Chickens in North America," Avian Diseases 55(2), 331-334, (1 June 2011). https://doi.org/10.1637/9569-100710-Case.1

Received: 12 October 2010; Accepted: 1 February 2011; Published: 1 June 2011

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