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las zonas reconocidas como zonas autorizadas respecto de los agentes b. ostreae y m. refringens se relacionan en el anexo.
the zones recognised as approved zones with regard to b. ostreae and m. refringens are listed in the annex.
existen sólidos indicios de efectos dañinos de algunos parásitos (gyrodactylus, martelia refringens, piojos marinos), y quizá haya que actualizar la legislación veterinaria.
strong indications of harmful effect exist for some parasites (gyrodactylus, martelia refringes, sea lice), and the veterinary legislation may have to be brought up to date.