The effect of hoof trimming on milk yield, rumination time, and activity in Holstein and Jersey cows
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Hoof health management plays an important role in dairy farms because lameness can impact productivity via decreased milk yield, reproduction rate, and increased culling rate. Regular hoof trimming can help reduce the incidence of hoof diseases in dairy cows. However, its effects on healthy dairy cows remain unclear. This study investigated the effects of hoof trimming on milk yield, rumination time, and activity in healthy Holstein and Jersey cows. Fourteen cows (7 Holstein and 7 Jersey) without lameness were used in this study. We trimmed the cows and collected data from 3 days prior to 9 days after hoof trimming. Milk yield, rumination time, and activity were measured using automatic milking and health monitoring systems. Milk yield and rumination time decreased, whereas activity level increased on the trimming day compared to the previous days in both breeds, although the difference was not significant. On the days after hoof trimming, milk yield, rumination time, and activity recovered to normal. Especially in Holstein cows, a temporary increase in milk yield was observed compared to that in the pre-trimming period. Hoof trimming did not negatively affect the productivity of dairy cows of either breed. Furthermore, productivity can temporarily increase.
Abstract
Hoof health management plays an important role in dairy farms because lameness can impact productivity via decreased milk yield, reproduction rate, and increased culling rate. Regular hoof trimming can help reduce the incidence of hoof diseases in dairy cows. However, its effects on healthy dairy cows remain unclear. This study investigated the effects of hoof trimming on milk yield, rumination time, and activity in healthy Holstein and Jersey cows. Fourteen cows (7 Holstein and 7 Jersey) without lameness were used in this study. We trimmed the cows and collected data from 3 days prior to 9 days after hoof trimming. Milk yield, rumination time, and activity were measured using automatic milking and health monitoring systems. Milk yield and rumination time decreased, whereas activity level increased on the trimming day compared to the previous days in both breeds, although the difference was not significant. On the days after hoof trimming, milk yield, rumination time, and activity recovered to normal. Especially in Holstein cows, a temporary increase in milk yield was observed compared to that in the pre-trimming period. Hoof trimming did not negatively affect the productivity of dairy cows of either breed. Furthermore, productivity can temporarily increase.
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