Firth, E. C., Rogers, C. W., Van Weeren, P. R., Barneveld, A., McIlwraith, C. W., Kawcak, C. E., …Smith, R. K. W. Mild exercise early in life produces changes in bone size and strength but not density in proximal phalangeal, third metacarpal and third carpal bones of foals. https://doi.org/10.1016/j.tvjl.2010.11.016