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Transcript
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
Infectious Foot Diseases

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
Foot Rot



Common in
environment and
manure
Usually requires
injury to
interdigital skin
Sudden onset,
acute disease
Interdigital dermatitis




Chronic infection of
interdigital skin
Moist caseous
exudate, sour odor
Skin responds by
hypertrophy
May spread to
heels and
undermine heel
horn
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
TREATMENT

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
Lesion Treatments
Treatment Type
Footrot Interdigital
dermatitis
Digital
dermatitis
Topical
Antibiotic
+
Disinfectant
+++
+++
Systemic
Antibiotic
+++
-
-
+
+++
+++
Foot baths Antibiotic
disinfectant
Other areas of importance:


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
Questions