SEROLOGICAL AND PARASITOLOGICAL PREVALENCE OF TOXOPLASMA GONDII IN WILD BIRDS FROM COLORADO

被引：39

作者：

Dubey, J. P. ^{[1
]}

Felix, T. A. ^{[1
]}

Kwok, O. C. H. ^{[1
]}

机构：

[1] ARS, USDA, Anim & Nat Resources Inst, Anim Parasit Dis Lab, Beltsville, MD 20705 USA

来源：

JOURNAL OF PARASITOLOGY | 2010年 / 96卷 / 05期

关键词：

UNITED-STATES; ANTIBODIES; ANIMALS; CATS; OWLS;

D O I：

10.1645/GE-2501.1

中图分类号：

R38 [医学寄生虫学]; Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ; 100103 ;

摘要：

Ground-feeding birds are considered important in the epidemiology of Toxoplasma gondii because they serve as indicators of soil contamination by oocysts, and birds of prey are indicators of T gondii prevalence in rodents and other small mammals. Cats excrete environmentally resistant oocysts after consuming tissues of T. gondii infected birds. In the present study, sera and tissues from 382 wild birds from Colorado were tested for T. gondii infection. Antibodies to T gondii were found in 38 birds with the use of the modified agglutination test (MAT, 1:25 titer). Tissues (brains, hearts) of 84 birds were bioassayed in mice. Viable T. gondii was isolated from 1 of 1 barn owl (Tyro alba), 1 of 5 American kestrels (Falco sparverius), 1 of 7 ferruginous hawks (Bute regalis), 1 of 4 rough-legged hawks (Buteo lagopus), 2 of 13 Swainson's hawks (Bute swainsoni), and 1 of 25 red-tailed hawks (Bute jamaicensis). This is the first time T. gondii has been isolated from the barn owl, ferruginous hawk, rough-legged hawk, and Swainson's hawk.

引用

页码：937 / 939

页数：3

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