Lynne M Siegfried

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Nine neoplasms were identified in carcasses of free-flying wild birds received at the National Wildlife Health Laboratory; gross and microscopic descriptions are reported herein. The prevalence of neoplasia in captive and free-flying birds is discussed, and lesions in the present cases are compared with those previously described in mammals and birds.
Between 1982 and 1986, 402 (290 live, 112 dead) exotic, migrant or native resident birds on Guam were surveyed for disease-causing agents to determine the role of disease in the decline of native forest bird populations on Guam. Traumatic injury, primarily from collisions with motor vehicles and predation, was the most prevalent (46%) cause of death.(More)
In the United States, some 1.7 million agar gel immuno diffusion (AGID) tests for avian influenza (AI) are conducted yearly by various poultry groups, governmental sectors, and private industry. In addition to the AGID test, additional testing includes virus isolations, enzyme-linked immunosorbent assays, real-time reverse transcriptase polymerase chain(More)
Inclusion body disease of cranes was the cause of death in 17 immature and mature cranes of 5 different species in Wisconsin. A herpesvirus of unknown origin was the apparent cause. An isolate of this herpesvirus was used to experimentally infect 3 species of cranes. Macroscopic and microscopic lesions associated with naturally acquired and experimentally(More)
-During the summers of 1981 and 1982, studies were conducted atJamaica Bay Wildlife Refuge, Long Island, New York, to determine whether annual water-level drawdowns used to create shorebird habitat also led to the occurrence of avian botulism (Clostridium botulinum type C). Low levels of morbidity and mortality from avian botulism occurred on the two ponds(More)
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