1. Anonymous. High Roughage Rations for Holstein Calves, USDA-ARS, Production Research Rept. No. 15. 1957.
2. The Effect of Wilting on the Feeding Value of Silage;Gordon;J. Dairy Sci.,1960
3. Value of Silage to Holstein Heifers. Nevada Agr. Expt. Sta;Headley;Ann. Rept,1949
4. Value of Adding Corn Silage and Limited Quantities of Hay to a Grass Silage Limited-Grain Ration for Dairy Heifers;Keener;J. Dairy Sci.,1958
5. Mean Separation by the Functional Analysis of Variance and Multiple Comparisons;LeClerg;USDA, ARS,1957