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1 July 2012 Swimbladder Leiomyosarcoma in Atlantic Salmon (Salmo salar) in North America
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Abstract

Leiomyosarcoma with associated retrovirus were found in North America for the first time in adult Atlantic salmon (Salmo salar) held in a quarantine facility at the North Attleboro National Fish Hatchery (NANFH), Massachusetts, USA. The fish had been collected as age 1–2 yr animals from the Pleasant River, Maine, and were to be used as brood stock in a population augmentation program for that river. Neoplastic disease was observed at NANFH initially in older (age 4 yr) fish, followed by age 3 yr fish. Disease was not observed in age 2 yr fish. The mortality pattern was chronic.

Paul R. Bowser, James W. Casey, Rufina N. Casey, Sandra L. Quackenbush, Larry Lofton, John A. Coll, and Rocco C. Cipriano "Swimbladder Leiomyosarcoma in Atlantic Salmon (Salmo salar) in North America," Journal of Wildlife Diseases 48(3), (1 July 2012). https://doi.org/10.7589/0090-3558-48.3.795
Received: 17 December 2010; Accepted: 1 February 2012; Published: 1 July 2012
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