1. Factors influencing hatchability in the domestic fowl;Funk;Mo. Agri. Exp. Sta. Bull.,1934
2. Turkey egg hatchability in South Dakota;Sampson;S. D. Bull.,1944
3. The effect of age and holding temperatures on hatchability of turkey and chicken eggs;Scott;Poultry Sci.,1933
4. The effect of age of eggs on their hatching quality;Waite;Md. Agri. Exp. Stat. Bull.,1919