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  • Title: Development of Trichostrongylus colubriformis and Trichostrongylus vitrinus, parasites of ruminants in the rabbit and comparison with Trichostrongylus retortaeformis.
    Author: Audebert F, Cassone J, Kerboeuf D, Durette-Desset MC.
    Journal: Parasitol Res; 2003 May; 90(1):57-63. PubMed ID: 12743805.
    Abstract:
    The parasitic phase of development of both Trichostrongylus colubriformis and Trichostrongylus vitrinus, parasites of ruminants, was studied in detail in the rabbit. In T. colubriformis, the third moult appeared by 4 days after infection (DAI) and the last moult occurred between 10 and 11 DAI. In T. vitrinus, the third moult occurred between 8 and 11 DAI and the last one between 12 and 15 DAI. The prepatent period lasted 16-17 days for T. colubriformis and 20 days for T. vitrinus. The chronology of the life cycles and the distribution of the parasites along the small intestine for various Trichostrongylus spp. from lagomorphs and ruminants in the natural host or in the experimental host were compared. All of these biological parameters indicated a lower level of adaptation of T. vitrinus compared to the other species of Trichostrongylus. The results are fully compatible with the evolutionary scheme based on morphological analyses.
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