Richardson et al., 1981. J. Anim. Sci., 53: 557-563 Document reference Richardson, C. R. ; Beville, R.N. ; Ratcliff, R. K. ; Albin, R. C., 1981. Sunflower meal as a protein supplement for growing ruminants. J. Anim. Sci., 53: 557-563Web http://www.journalofanimalscience.org/content/53/3/557Citation key Richardson et al., 1981Datasheets Sunflower meal