1. Age and month of calving adjustments of Holstein protein, milk, and fat lactation yields;Cooper;J. Dairy Sci.,1982
2. Sire evaluation method which accounts for unknown genetic and environmental trends, herd differences, seasons, age effects, and differential culling;Henderson,1966
3. DHIA age adjustment factors for standardizing lactations to a mature basis. ARS-44-188. Dairy Herd Improve;McDaniel;Lett.,1967
4. Seasonal age-correction factors by maximum likelihood;Miller;J. Dairy Sci.,1968
5. Joint influence of month and age at calving on milk yield of Holstein cows in the northeastern United States;Miller;J. Dairy Sci.,1970