title: Response to John Egerton's letter.
authors.affiliation: UCL School of Pharmacy, University College London, 29-39 Brunswick Square, London WC1N 1AX, United Kingdom. Electronic address: l.witcomb@ucl.ac.uk.
authors.forename: Luci Ann
authors.initials: LA
authors.lastname: Witcomb
mesh_terms: D000818:Animals; D005260:Female; D005535:Foot Rot / Q000382:microbiology*; D005674:Fusobacterium Infections / Q000662:veterinary*; D016905:Gram-Negative Bacterial Infections / Q000662:veterinary*; D006724:Hoof and Claw / Q000382:microbiology*; D012757:Sheep Diseases / Q000382:microbiology*