1. Predicting 305-day yields from short-time records;Cannon;J. Dairy Sci.,1942
2. Harvey, W. R. 1956. Extension of incomplete records to a 10-month basis. Unpublished data from Ayrshire Herd Test Records.
3. Sire evaluation and genetic trends;Henderson,1972
4. Variables affecting ratio factors for estimate ing 305-day production from part lactations;Lamb;J. Dairy Sci.,1960
5. McDaniel, B. T., R. H. Miller, and E. L. Corley. 1965. DHIA factors for projecting incomplete records to 305 days. Dairy Herd Improvement Letter, ARS, USDA, ARS-44:164.