Otitis in a weaned pig: a new pathological role for Actinobacillus (Haemophilus) pleuropneumoniae

actinobacillus pleuropneumoniae animal diseases antibiotics antibiotique cerdo drug therapy ear diseases enfermedades de los animales maladie de l'appareil auditif maladie des animaux morbidite morbidity morbosidad otite otitis pathologie pathology patologia porcin reino unido swine symptome symptoms united kingdom