[Macrolids in the veterinary medicine [for animal disease therapy]]

animal diseases bactericidas bactericide bactericides battericidi chemical composition chemical resistance composition chimique composizione chimica drugs enfermedades de los animales eritromicina erythromycin espiramicina farmaci farmacologia maladie des animaux malattie degli animali medicamentos medicina veterinaria pharmacologie pharmacology resistenza ai prodotti chimici spiramicina spiramycin spiramycine tilosina toxicidad toxicity tylosin tylosine veterinary medicine