Transmission of bovine virus diarrhoea virus by blood feeding flies
| Autor: | L Bernal, S Edwards, DW Tarry |
|---|---|
| Rok vydání: | 1991 |
| Předmět: |
Male
Pluvialis animal diseases viruses Stomoxys Biology Virus Animals Seroconversion Diarrhea Viruses Bovine Viral Sheep General Veterinary Transmission (medicine) Diptera Muscidae Haematopota pluvialis General Medicine biology.organism_classification Virology Insect Vectors Titer biology.protein Bovine Virus Diarrhea-Mucosal Disease Cattle Female Antibody |
| Zdroj: | Veterinary Record. 128:82-84 |
| ISSN: | 2042-7670 0042-4900 |
| DOI: | 10.1136/vr.128.4.82 |
| Popis: | Three species of blood-feeding flies (Stomoxys calcitrans, Haematopota pluvialis and Hydrotaea irritans) were fed for five minutes on a bullock persistently infected with bovine virus diarrhoea virus (BVDV) containing 10(4.5)TCID50 non-cytopathic BVDV/ml serum, then subsequently fed on BVDV-free seronegative animals maintained in isolation. Virus was isolated from recipient animals between days 5 and 10 using H pluvialis, and up to 72 hours after transmission with S calcitrans; virus isolation was negative using H irritans. Positive seroconversion results obtained with H pluvialis gave a steadily increasing antibody titre. BVDV was recovered from flies 96 hours (four days) after an infective feed for H pluvialis and S calcitrans, but for two hours only for H irritans. |
| Databáze: | OpenAIRE |
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