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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

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
infectious foot diseases3
Digital Dermatitis, Hairy Heel Warts, Mortellaro

Cause not proven yet but spirochetes strongly incriminated

Infectious Foot Diseases
foot rot
Common in environment and manure

Usually requires injury to interdigital skin

Sudden onset, acute disease

Foot Rot
interdigital dermatitis
Chronic infection of interdigital skin

Moist caseous exudate, sour odor

Skin responds by hypertrophy

May spread to heels and undermine heel horn

Interdigital dermatitis
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

Digital dermatitis
treatment
What are we trying to treat?

DISEASE

LESION

LAMENESS

Does treatment of disease improve lameness in a herd?

TREATMENT
other areas of importance14
Counting lame cows:

Same number as the farmer

Which groups

What lesions/diseases present

Specific area on farm causing lameness

Other areas of importance: