Nelson, C. D.; Powell, J. L.; Price, D. M.; Hersom, M. J.; Yelich, J. V.; Drewnoski, M. E.; Bird, S. L.; Bridges, G. Allen . (2016). Assessment of serum 25-hydroxyvitamin D concentrations of beef cows and calves across seasons and geographical locations. Journal of Animal Science, 94(9), 3958–.
doi:10.2527/jas.2016-0611