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  • Title: Sudden death of calves by experimental infection with Strongyloides papillosus. II. Clinical observations and analysis of critical moments of the disease recorded on videotape.
    Author: Ura S, Nakamura Y, Tsuji N, Taira N.
    Journal: Vet Parasitol; 1992 Sep; 44(1-2):107-10. PubMed ID: 1441181.
    Abstract:
    Four calves experimentally infected with different doses of Strongyloides papillosus were examined for changes of body temperature and other clinical parameters. Also, the critical moments of death, which were recorded on videotape, were analyzed in detail. The first clinical signs included initial accelerated respiration. In general, body temperature was almost normal; however, one calf showed a slight increase after 2 or 3 days of infection, and two calves a gradual increase 7 days after infection. Vocal noises and general spasms were observed 5-14 times during the course of death. Initial vocal noises were heard between 0:50 and 1:30 (minute:second) after the appearance of the initial clinical signs. The final spasm, preceding death, occurred between 3:05 and 3:40 after the appearance of the initial clinical signs.
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