volume 69, issue 4, P1013-1020 2017
DOI: 10.1590/1678-4162-9240
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Abstract: ABSTRACTThe transition period is often a great challenge for dairy cows and mineral imbalances are frequent. With the aim to better understand the mineral profile of F 1 Holstein x Gyr dairy cows and their performances under the different conditions of summer and winter, we collected blood samples to measure calcium, magnesium and phosphorus. Samplings were performed during summer and winter, on 15 and 13 pluriparous F 1 Holstein x Gyr dairy cows, respectively. Blood sampling started 4 weeks prior to the expe…

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