Preliminary data on claw horn toughness of Holstein Friesian and Hungarian Fleckvieh cattle kept under same conditions
Keywords:
longevity, lameness, foot disease, claw horn toughnessAbstract
The foot structure is closely related to the claw horn quality, especially with toughness. Therefore, in this study the claw horn hardness of Holstein Friesian and Hungarian Fleckvieh cattle (n = 14, age: x = 1034 day, SE = 263.7 day, weight: x = 565.5 kg, SE = 16.86 kg) was investigated. Measurements were taken with Shore D hardness durometer, on three places (A, B, C) of claw horn. The average claw horn hardness of animals was 66.61 Shore D with 0.76 average error. The results showed that breed (HF, Shore D = 66.58, HS, Shore D = 66.63, Wald Chi2: 0.001, P = 0.971) and sex (cow, Shore D = 67.97, bull, Shore D = 65.24, Wald Chi2: 1.203, P = 0.273) have not, but the place of measurements (Wald Chi2: 12.11, df:2, P = 0.002, α < 0.05) and age (Wald Chi2: 10.16, df:1, P = 0.001, α < 0.05) have a significant effect on claw toughness.
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