ArticleVeterinary research communications2021
Isolation of Campylobacter fetus subsp. venerealis from seminal vesicle of a naturally challenged bull.
Article in Veterinary research communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 6 citations in OpenAlex.
- Bovine campylobacteriosis in bulls: insights in the conventional and molecular diagnosis.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2023Article
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Authors and funding
7 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Campylobacter fetus is a well-recognized pathogen that affects reproductive rate in cattle. In the present study, two Angus bulls were kept (39 days) separately with a group of heifers experimentally infected with Campylobacter fetus subsp. venerealis (Cfv) and Campylobacter fetus subsp. venerealis biovar intermedius (Cfvi), respectively. Each bull resulted infected post-mating by its respective strain (Cfv and Cfvi). Semen samples collected from each bull at days 39, 82, 132 and 269 resulted positive for C. fetus by bacteriological culture and/or direct immunofluorescence (DIF) test, and confirmed by polymerase chain reaction (PCR) from colonies isolated. Diagnosis resulted better with bacteriological culture (100%) compared to DIF (37,5%). Campylobacter fetus was isolated from seminal vesicle and preputial mucosa by bacteriological culture and confirmed by PCR and DIF test from colonies previously isolated from these tissues (day 276). Microscopic lesions detected in both bulls showed moderate diffuse subepithelial lymphoplasmacytic postitis. None of the seminal vesicle presented relevant microscopic lesions. To our knowledge this is the first report of isolation of C. fetus from seminal vesicles in a bull. The experimental model herein described, mimicks the natural infection and constitutes a promising alternative for future studies of campylobacteriosis in cattle.
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