1. Distribution of porcine faecal coliflora throughout a barn;Craven;Can. J. comp. Med.,1971
2. The antibacterial activity of nitrovin in vivo: The effect of this and other agents against Clostridium welchii in the alimentary tract of chickens;Smith;Vet. Rec.,1972
3. Preliminary studies of some biochemical properties of enteric and genital isolates of Salmonella dublin and a possible correlation with reduced virulence;Walton;Vet. Rec.,1971