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Treatments of infectious bovine hoof diseases. Dr. Matt Breed Dr. Chuck Guard Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University. Foot Rot Fusobacterium necrophorum & Bacteriodes melaninogenicus Interdigital Dermatitis
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Treatments of infectious bovine hoof diseases Dr. Matt Breed Dr. Chuck Guard Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University
Foot Rot Fusobacterium necrophorum & Bacteriodes melaninogenicus Interdigital Dermatitis Dichelobacter nodosus Infectious Foot Diseases
Digital Dermatitis, Hairy Heel Warts, Mortellaro Cause not proven yet but spirochetes strongly incriminated Infectious Foot Diseases
Common in environment and manure Usually requires injury to interdigital skin Sudden onset, acute disease Foot Rot
Chronic infection of interdigital skin Moist caseous exudate, sour odor Skin responds by hypertrophy May spread to heels and undermine heel horn Interdigital dermatitis
Worldwide spread in last 25 years Highly contagious within herd Poor immune response to infection Hair follicle primary site of infection in normal skin Digital dermatitis
What are we trying to treat? DISEASE LESION LAMENESS Does treatment of disease improve lameness in a herd? TREATMENT
Do we treat the hoof lesion and/or something else? Environment, management, nutrition etc TREATMENT
Regular correct foot trimming Clean, dry, comfortable animals Other areas of importance:
Counting lame cows: Same number as the farmer Which groups What lesions/diseases present Specific area on farm causing lameness Other areas of importance: