1. Age distribution and herd life expectancy in Iowa dairy herds;Andrus;J. Dairy Sci.,1970
2. Aulerich, C. A. 1965. Differences in extending terminal and nonterminal incomplete lactations to 305 days. M.S. Thesis, Michigan State University, East Lansing.
3. Percentage of a sire's daughters having a second, fourth, and sixth lactation;Carter;J. Dairy Sci.,1968
4. Dayton, A. D. 1966. Differential removal of daughters among AI sires. M.S. Thesis, Michigan State University, East Lansing.
5. Biases in dairy sire evaluation attributable to genetic trend and female selection;Hargrove;J. Dairy Sci.,1971