Three hundred forty-three birds representing six orders and 22 species were examined serologically for antibodies against rabies. Low passive hemagglutination titers were observed in 23 samples. Fifteen of 65 (23.1%) predatory birds and 8 of 278 (2.9%) non-predatory birds were positive. Rabies antibody positive sera from non-predatory species were from species commonly thought to be scavengers suggesting the importance of the oral route for the presentation of rabies virus to birds.
(Dirofilaria immitis) were found in eight of 220 (3.6%) coyotes (Canis latrans) collected from fur buyers in Adams, Carroll, Cass, and Warren counties in southwestern Iowa. Infections ranged from one to 23 worms per coyote.
A great horned owl (Bubo virginianus) was fed the carcass of an experimentally infected rabid skunk. The bird developed antibody titer to rabies, detected by passive haemagglutination, 27 days after oral inoculation by ingestion. The owl suppressed the infection until corticosteroid administration, after which a maximum antibody titer was attained. Evidence of active rabies viral infection was seen by fluorescent antibody staining of oral swabs, corneal impression smears and histologic tissue smears, by suckling mouse inoculation of oral swab washings, and by transmission electron microcopy. No clinical signs of rabies virus infection were observed.
A bstract: Bordetella bronc/tiseptica was isolated from 6 of 13 short-tailed shrews (B/anna brevicauda) and 1 of 47 house sparrows (Passer do,nesticus) trapped in the vicinity of a swine Bordete!/a 10 masked shrews (Sorex cinereus) and 54 starlings (Sturnus nt/guns).
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