Mineral profile of crossbred F 1 Holstein x Gyr dairy cows during the transition period in summer and winter von Moreira, T.F., Facury Filho, E.J., Costa, A.L.B.S.A., Meneses, R.M., Casagrande, F.P., Leme, F.O.P., Uribe, J.A.Z., Carvalho, A.U.

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