1. Official methods of analysis;AOAC,1975
2. Multiple range and multiple F tests;Duncan;Biochemistry,1955
3. Holding techniques for hatchery wastes;Hamm;Poultry Sci.,1982
4. The use of dried incubator offal in chick rations;Kempster;Poultry Sci.,1945
5. Nutrient requirements of poultry;National Research Council (NRC),1977