Comparison between functional properties of alveolar macrophages and immunoglobulin concentrations of tracheobronchial secretions in Large White and Mei-Shan pigs J. M. SACHOT, S. BERNARD, Elizabeth BOTTREAU, Christiane de VAUREIX and B. CHARLEYAnn. Zootech., 35 3 (1986) 309DOI: https://doi.org/10.1051/animres:19860340