AI Article Synopsis
- A study examined 110 bulls from a farm with a history of cysticercosis using three serological tests: IHA, MPA, and IFR.
- Cysticercosis was found in 29 bulls during post-mortem, with detection rates varying: 37.9% (IHA), 51.7% (MPA), and 10.3% (IFR).
- Additionally, a significant percentage of bulls that tested negative with each method still had cysticerci present, indicating that none of the serological tests can reliably detect light infections.
Article Abstract
A total of 110 bulls coming from a farm where cysticercosis repeatedly occurred were examined by means of indirect haemagglutination (IHA), microprecipitation in agar (MPA), and indirect immunofluorescence reaction (IFR). Cysticercosis (isolated cysts with live or dead cysticerci) was detected in 29 of them at post-mortem examination. Among the 29 infected animals, positive reactions were obtained in 37.9% with IHA, 51.7% with MPA and 10.3% with IFR. The remaining animals were negative. Of 82 animals giving negative reactions with IHA, 22% harboured cysticerci at post-mortem examination. Of 70 animals negative with MPA, 20% were infected with cysticerci and of 71 animals negative with IFR, 29.5% were positive at the slaughter. Consequently, none of the used serological methods is reliable for the detection of a very light spontaneous infection.
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