Peer-reviewed veterinary case report
The estimation of duration of maternally-derived antibodies against Akabane, Aino, and Chuzan virus in calves by the receiver operating characteristic analysis.
- Journal:
- The Journal of veterinary medical science
- Year:
- 2020
- Authors:
- Iwamoto, Jiro & Furukawa, Masahiro
- Affiliation:
- Kagoshima Prefectural Kagoshima Central Livestock Hygiene Service Center · Japan
Abstract
The duration of maternally-derived antibodies against three arboviruses was investigated in calves, using the results of arbovirus serosurveillance performed in Kagoshima Prefecture during 2002-2016. The duration of maternally-derived antibodies against Akabane virus (AKAV), Aino virus (AINOV), and Chuzan virus (CHUV) was estimated to be 178 (sensitivity: 0.769, specificity: 0.730), 156 (sensitivity: 0.806, specificity: 0.791), and 156 days of age (sensitivity: 0.845, specificity: 0.814), by receiver operating characteristic analysis. The duration of maternally-derived antibodies against AKAV, AINOV, and CHUV differed 7-14, 22-28, and 20-31 days in the same calf types between the regions far from each other although it was similar between the adjacent regions. The dairy calves showed 6-29 days longer duration than the beef calves rearing in a similar region.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/32963178/