Treatments of infectious bovine hoof diseases

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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

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Infectious Foot Diseases

• Foot Rot
• Fusobacterium necrophorum Bacteriodes
  melaninogenicus
• Interdigital Dermatitis
• Dichelobacter nodosus

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Infectious Foot Diseases

• Digital Dermatitis, Hairy Heel Warts, Mortellaro
• Cause not proven yet but spirochetes strongly
  incriminated

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Foot Rot

• Common in environment and manure
• Usually requires injury to interdigital skin
• Sudden onset, acute disease

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Interdigital dermatitis

• Chronic infection of interdigital skin
• Moist caseous exudate, sour odor
• Skin responds by hypertrophy
• May spread to heels and undermine heel horn

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Digital 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

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TREATMENT

• What are we trying to treat?
• DISEASE
• LESION
• LAMENESS
• Does treatment of disease improve lameness in a
  herd?

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TREATMENT

• Do we treat the hoof lesion and/or something
  else?
• Environment, management, nutrition etc

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Lesion Treatments
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Other areas of importance

• Regular correct foot trimming
• Clean, dry, comfortable animals

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Other areas of importance

• Counting lame cows
• Same number as the farmer
• Which groups
• What lesions/diseases present
• Specific area on farm causing lameness

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Questions