Composition (2) Swine (2) Escherichia coli (2) Butyric acid (2) Texture (2) Growth (2) Performance (2) tendance (1) abattoir (1) salmonelle (1) particule (1) acide (1) gène (1) chromatographie en phase gazeuse (1) ferme (exploitation) (1) effet (1) Food (1) Counting (1) Genes (1) Animal feeding (1) Salmonella (1) Veterinary medicine (1) Sports records (1) Science (1) Propionic acid (1) Population (1) Performances (1) Performance (1) Particle size determination (1) Manufacturers' agents (1)