[Prevention of infectious diseases of fish species. 2: Seeding in public waters: recognition of disease-free continental zone [European Union; regulations; Italy]]

acque interne aguas interiores animal diseases control de calidad controlli di qualità eaux continentales enfermedades de los animales european union fish culture freshwater fishes haemorrhagic septicaemia infection infezione inland waters italia italie italy legislation legislazione maladie des animaux malattie degli animali normative peces de agua dulce pesci d'acqua dolce piscicoltura piscicultura pisciculture poisson d'eau douce reglamentaciones regulations servicios veterinarios servizi veterinari setticemia emorragica unione europea veterinary services