1. Two-stage in vitro fermentation technique for determination of in vitro dry matter (IVDMD) or organic matter (IVOMD) disappearance;Barnes,1973
2. Acid insoluble ash as an indicator of digestibility for sheep fed corn plants or hay and for lactating dairy cows fed hay;Block,1980
3. DePeters, E. J. 1979. Partial replacement of concentrate by high quality forage in the diet of high-producing cows. Ph.D. thesis. Pennsylvania State Univ., University Park.
4. Partial replacement of concentrate by high quality hay for cows in early lactation;DePeters;J. Dairy Sci.,1980
5. Artificially dried grass as a concentrate component in dairy cow rations;Frank;Swedish J. Agric. Res.,1978