Jaster et al., 1983. J. Dairy Sci., 66: 802-810 Document reference Jaster, E. H. ; Murphy, M. R., 1983. Effects of varying size of forage on digestion and chewing behavior of dairy heifers. J. Dairy Sci., 66: 802-810Web https://doi.org/10.3168/jds.S0022-0302(83)81860-8Citation key Jaster et al., 1983