Fenthion poisoning of wading birds.
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Animals↗
Biomedical subjects
D A Jessup
Publications and source records attributed to D A Jessup.
Fibrosing adenocarcinoma of the intestine of a gopher snake (Pituophis melanoleucus).
Histologic examination of a mass from the intestine of a gopher snake revealed a neoplastic process with an excessively exuberant fibrous component.
Adenocarcinoma, Mucinous↗
Cranial nerve deficits in a rough-legged hawk.
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Animals↗
Valvular endocarditis and bacteremia in a bald eagle.
A thickened left atrioventricular valve and a discolored, mottled liver were the only lesions noted in an adult male bald eagle (Haliaeetus leucocephalus) found dead below its nest on Hirz Creek near Lake Shasta, California. Microscopic examination revealed bacterial vegetative valvular endocarditis and disseminated bacterial thromboembolic lesions.
Animals↗
Trichomoniasis in great horned owls.
Three cases of Trichomonas gallinae infection of deep tissues of the skull or of unusual tissues in great horned owls (Bubo virginianus), refractory to recommended doses but responsive to higher doses of dimetridazole, are discussed. Trichomonads were isolated from the lesions.
Animals↗
Tick paralysis in a grey fox.
One hundred seventeen Dermacentor variabilis were removed from the head and back of a grey fox (Urocyon cinereoargenteus) showing paresis and diminished motor reflexes of the hind limbs. Rapid and total recovery led to a diagnosis of tick paralysis.
Animals↗
The isolation and partial characterization of a Babesia sp. from desert bighorn sheep (Ovis canadensis nelsoni).
A novel Babesia parasite of desert bighorn sheep was isolated. Its taxonomic description, host range, pathogenicity and antigenic relatedness were investigated. The parasite was infective for black-tailed and white-tailed deer, but with host-specific differences compared to that of bighorn sheep. A splenectomized calf and domestic sheep were refractory to infection. A comparative immunofluorescence assay detected antigens cross-reactive with Babesia odocoilei, B. divergens, B. equi and B. caballi, but not with B. bovis or B. bigemina. Babesia odocoilei was also infective for bighorn sheep, allowing comparison by a cross-challenge experiment, the results of which supported the conclusion that this parasite was not B. odocoilei. However, the bighorn sheep Babesia cannot currently be distinguished from B. capreoli described from roe deer in northern Germany. Data indicate that, while this parasite may not present a problem for domestic animals, it may cause disease in bighorn sheep and deer populations.
Animals↗
Epithelial intracytoplasmic herpes viral inclusions associated with an outbreak of duck virus enteritis.
Several muscovy ducks from a free-roaming flock of 65 muscovy and mallard ducks died over a 3-week period. Three muscovy ducks were necropsied. Gross and microscopic changes were compatible with duck virus enteritis, and the virus was isolated. In addition to intranuclear viral inclusion bodies in several tissues, intracytoplasmic inclusion bodies were present in esophageal and cloacal epithelium. By electron microscopy, the membrane-bound intracytoplasmic inclusions were found to contain enveloped herpesvirus, and nuclei contained herpes viral nucleocapsids.
Animals↗