Effects of dietary organic zinc, manganese, copper and cobalt supplement on milk production, follicular growth, embryo quality and tissue mineral concentrations in dairy cows.

K. S. Hackbart, R. M. Ferreira, A. A. Dietsche, M. T. Socha, R. D. Shaver, M. C. Wiltbank and P. M. Fricke
journalOfAnimalScience, Journal of Animal Science Vol. 88 No. 12, p. 3856-3870
Published: December 31, 2013