Issue |
Ann. Parasitol. Hum. Comp.
Volume 65, 1990
VIIe Congrès International de Parasitologie – ICOPA VII (Paris; 20-24 août 1990)
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Page(s) | 77 - 78 | |
DOI | https://doi.org/10.1051/parasite/1990651077 | |
Published online | 15 August 2016 |
Mémoire
Parasitism in young animals
Parasitisme chez les jeunes animaux
Faculty of Veterinary Medicine, The University of Glasgow, Bearsden road, Glasgow G61 19H, Scotland.
Pulmonary and gastrointestinal helminthiasis in young ruminants is usually followed by the development of immunity and lifelong freedom from disease. However, the recent advent of very effective systems of anthelmintic prophylaxis during the first year of life poses questions about the degree of immunity which animals might be expected to possess in later life. Aspects of this are discussed and, since bovine dictyocauliasis is potentially the most serious, the possibility of immunisation of older cattle, rather than calves, is suggested.
Résumé
Le développement, chez les jeunes ruminants, d’un état d’immunité, caractérisé par l’absence de maladie chez les animaux plus âgés, succède généralement aux helminthoses digestives et pulmonaires. Cependant, les nouveaux systèmes très efficaces de prophylaxie des helminthoses, mis en place chez les ruminants de première année de pâture, remettent en question le degré de protection qu’ont pu acquérir ces animaux. Ces aspects sont discutés et, puisque la dictyocaulose est potentiellement la plus menaçante des helminthoses bovines, la possibilité est suggérée d’immuniser les bovins âgés, plutôt que les veaux.
Key words: Anthelmintics / Immunity / Cattle
Mots clés : Anthelmintiques / Immunité / Bovin
© Masson, Paris 1990, transferred to Société Française de Parasitologie
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