Multiple ovulation was positively associated with milk yield independently of circulating progesterone concentrations in multiparous high-producing Holstein cows submitted to Doubl... by T.J. Valdés-Arciniega, E. Anta-Galván, I.M.R. Leão, T.O. Cunha, M.S. El Azzi, N.B. Cook, J.P.N. Martins

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