Error rendering template
Error rendering template
Error rendering template
Error rendering template
Error rendering template
Error rendering template
White Line Lesion (W)
White Line Lesion (W)

Zones affected: 1, 2, 3 

Common signs:

  • In mild cases, a void occurs in the junction between the sole and the wall
  • In severe cases, abscesses form, generally at the heel-sole-wall juncture (zone 3)
Sole Ulcer (U)
Sole Ulcer (U)

Zone affected:

Common signs:

  • Raw sore (horn erosive defect) occurring at sole-heel junction on inner side of outside hind claw
  • Often occurs in both outside hind claws (when present)
Sole Hemorrhage (H)
Sole Hemorrhage (H)

Zones affected: 4,5,6 

Common signs:

  • Slight to significant red (or blue) coloration of the sole
  • Not to be confused with natural black pigmentation of claw horn
Toe Ulcer (T)
Toe Ulcer (T)

Zones affected: 1

Common signs:

  • Black mark, blood stain and/or rupture in white line or sole at the toe
  • Caused by rotation of pedal bone within the claw pressing down on the sole or thin soles
Corkscrew Claw (C)
Corkscrew Claw (C)

Zones affected: 7

Common signs:

  • Rapid irregular growth of the claw with rotation
  • Sole displaced inward and rear
  • Causes difficulty walking
Horizontal Fissure or Hardship Groove (G)
Horizontal Fissure or Hardship Groove (G)

Zones affected: 7, 8

Common signs:

  • Claw wall parallel to the hair-line cracks and eventually breaks off
  • Caused by nutritional or metabolic stress
Vertical Fissure (V)
Vertical Fissure (V)

Zones affected: 7, 8

Common signs:

  • Vertical split in front or side of claw
  • Occurs primarily on outside of front claws
  • Often the most painful cause of lameness
Axial Fissure (X)
Axial Fissure (X)

Zones affected: 11, 12

Common signs:

  • Deep groove on interior surface of claw wall parallel to front claw surface
  • Bleeding may indicate lesion presence
  • Mild to severe lameness
Interdigital Hyperplasia (K)
Interdigital Hyperplasia (K)

Zones affected: 0

Common signs:

  • Rapid growth of skin and/or tissue between the digits, forming a firm mass
  • Secondary infection likely with severe (large) lesion
Thin Sole (Z)
Thin Sole (Z)

Zones affected: 4, 5

Common signs:

  • Sole is thin and flexible when pressure is applied
  • Caused by insufficient length of toe, excessive wear or over trimming
  • Minimum claw length of 3 inches (7.5 cm) does not apply to heifers or animals that weigh less than 900 lb (400 kg)
Digital Dermatitis (D)
Digital Dermatitis (D)

Zones affected: 9, 10

Common signs:

  • Raw, bright-red or black circular growth above the heel bulbs, with edges forming a white opaque ring or hard, thin, hairy, wart-like growths or sores
  • Affected cattle are reluctant to walk or are lame
Heel Erosion (E)
Heel Erosion (E)

Zones affected: 6

Common signs:

  • Severe erosion of heel in irregular pit-like depressions or “v” shaped grooves causing lameness
  • Instability of the claw due to lost or damaged horn resulting in uneven weight bearing
  • Heel becomes sore as erosion progresses
Interdigital Dermatitis (I)
Interdigital Dermatitis (I)

Zones affected: 0, 10

Common signs:

  • Discharge and destruction of skin between the claws
  • Bulb horn clefts leading to contusion of the corium and ulceration
Foot Rot, Foul or Phlegmon (F)
Foot Rot, Foul or Phlegmon (F)

Zones affected: 9

Common signs:

  • Swelling of the entire foot (equally) including the dew claws
  • Separation of digits, infection produces a noticeable foul odor
  • Animals will likely have a fever

Claw Zones

Abaxial View of Dairy Cattle Claw Zones


Abaxial (Outside) View

Axial View of Dairy Cattle Claw Zones 1Axial View of Dairy Cattle Claw Zones 2
 

Axial (Inside) View