1. Multiple range and multiple F tests;Duncan;Biometrics,1955
2. Observed egg shell damage in a mechanical gathering system;Eggleton;Poultry Sci.,1971
3. The performance of Red x Rock sex-links as affected by calcium levels in their growing and laying diets;Gerry;Poultry Sci.,1967
4. Calcium sources for egg production and shell quality;Quisenberry;Poultry Sci.,1970
5. Calcium metabolism in the laying hen;Roland;5. Effect of various sources and sizes of calcium carbonate on shell quality. Poultry Sci.,1973