1. Anonymous. 1957. High Roughage Rations for Holstein Calves, USDA-ARS, Production Research Rept. No. 15.
2. Feeding Grass Silage;Bender;New Jersey Agr. Expt. Sta., Bull,1942
3. Experiments in Rearing Calves Without Whole Milk and with Limited Amounts of Skim Milk;Converse;USDA Circ.,1949
4. Multiple Range Tests for Correlated and Heteroscedastic Means;Duncan;Biometrics,1957
5. Value of Silage to Holstein Heifers;Headley,1949