258	Long-term Radiographic and Histologic Findings after Resection of the Distal Interphalangeal Joint with Plantar Approach in Dairy Cows M. Heppelmann, J. Rehage, P. Wohlsein, A. Starke Germany

259	Long-term Observations in Dairy Farms with Lameness Problems K. Muller, T. Eilers, R. Pijl Germany

260	Associations between Milk (Daily Milk Yield, Percentage of Milk Protein, Fat and Fat-protein Ratio) and Occurrence of Claw Disorders in Holstein Sows O. Pěnkava, P. Fleischer, S. Šlosárková, R. Dvořák Czech Republic

261	Prevalence and Factors Affecting Lameness in Commercially Raised Dairy Cows G. Oikonomou, A. Kougioumtzis, A. Tsiaras, G. Arsenos, G. Valergakis, G. Banos Greece

262	Strategies to Analyze Milk Losses Caused by Diseases with Potential Incidence throughout the Lactation: a Lameness Example R. Bicalho, L. Warnick, C. Guard United States

263	Functional Trimming at the Dry off Period to Prevent Foot Diseases in Confined Dairy Cows at in the Tropical Area D. Garcia, M. Hahn, D. Pino, I. Vivas, M. Leal, K. Clerc Venezuela

264	Significance of Stable Specific Protection in the Decrease of Loss Caused by Claw Disorders (Dermatitis Digitalis) Gy. Szemerédi, L. Kocsis, Cs. Csorba, I. Kovács Hungary

265	Clinical Efficacy of Ceftiofur Crystalline Free Acid Against Naturally Occurring Bovine Interdigital Necrobacillosis M. Lucas1, S. Sunderland2, D. Meeuwse1, W. Bryson1, J. Watts1, J. Watkins1, J. Salt2 1United States, 2United Kingdom

266	Clinical Efficacy of Tulathromycin Against Naturally Occurring Bovine Interdigital Necrobacillosis M. Lucas1, S. Sunderland2, R. Nutsch1, W. Bryson1, J. Watts1, J. Watkins1, J. Salt2 1United States, 2United Kingdom