Tarsus (Hocks) |
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Hocks are scored to evaluate if cattle have a comfortable resting area. Unforgiving bedding or stall features are the biggest risk for hair loss, scabs, and swelling.
Which animals to assess:
Using the sample guidelines, score lactating cows. The group scored for hocks and knees should be the lactating cows that follow those that were scored for locomotion.
Using the "Everywhere" criteria, every pen, including the hospital, will be observed for severe hock injuries.
Using the "Everywhere" criteria, every pen, including the hospital, will be observed for severe hock injuries.
When to assess:
Hock injuries should be scored when the animal is standing. Hocks should be evaluated in the milking parlor whenever possible. In small herds or herds with only one milking group, it is recommended that the first group of cows into the parlor is evaluated for hocks and then the auditor moves on to score the remainder of the herd for locomotion. In tiestall barns, or groups scored while cows are at the feed bunk or locked up, hocks may be scored along with knees, tails, and hygiene.
How to assess:
Evaluate both the inside and outside of each hock, if visible. If both left and right legs are visible, score the worst side.
Areas of hair loss must be completely bald, with no hair inside. If there are several areas of hair loss on a hock, apply the size rules to each area (do not sum them). Hair loss size can be evaluated by length or width; it does not need to be round.
Score swelling size by looking at deviation from the line of the leg, either from the side or from behind.
Areas of hair loss must be completely bald, with no hair inside. If there are several areas of hair loss on a hock, apply the size rules to each area (do not sum them). Hair loss size can be evaluated by length or width; it does not need to be round.
Score swelling size by looking at deviation from the line of the leg, either from the side or from behind.
It is useful to create a reference for the measurements listed in the scores below (1" or 2.5 cm), such as a quarter.
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Score 1: Normal
Complete hair loss is less than 1" or 2.5 cm in length or width |
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Score 2: Moderate
Complete hair loss is greater than or equal to 1" or 2.5 cm in length or width, a dried scab, and/or moderate swelling less than or equal to 1" or 2.5 cm in height |
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Score 3: Severe
Swelling greater than 1" or 2.5 cm in height, and/or an open or bleeding wound 0% of cows sampled should score a 3 Using the "Everywhere" criteria, observe all pens, including the hospital, for score 3 injuries |
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