Title:Sertések légzőszervi megbetegedéseinek elkülönítő kórjelzése I. - Választás előtti kórképek
SUMMARY The authors describe the pathogenesis and differential diagnosis of important porcine respiratory diseases, based on the available literature and on their practical experiences. Aiming to help clinicians to identify respiratory conditions possibly „on the spot”, different diseases are discussed according to the production phase they likely to occur in, and also according to the elicited clinical signs. In the fi rst part of this series of articles, respiratory diseases in the preweaning period are detailed.