R L'hospitalier

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Six isolates originating from acute outbreaks of infectious bursal disease recently reported in broiler and pullet flocks in France were studied with respect to their pathogenicity and their(More)
Des poules de la race Egyptienne Fayoumi ont été contrôlées pour la ponte, la qualité des oeufs, l'efficacité alimentaire et des paramètres physiologiques, dans deux tests distincts :-à(More)