1. American Society of Agricultural Engineers, 1983. Methods of determining and expressing fineness of feed materials by sieving. Page 325 in: American Society of Agricultural Engineers Standard S 319. American Society of Agricultural Engineers Yearbook Standards, American Society of American Engineers, St. Joseph, MI.
2. Official Methods of Analysis,1984
3. Effects of pelleted or crumbled diets on the performance and development of the digestive organs of broilers;Choi;Poultry Sci.,1986
4. Multiple range test and multiple F tests;Duncan;Biometrics,1955
5. Particle size of broiler feed as a factor in the consumption and excretion of water;Eley;Poultry Sci.,1948