1. The effects of debeaking, floor space, and diet energy levels on broiler growth;Andrews;Poultry Sci.,1969
2. Responses of broiler chicks to gamma-radiation exposures: changes in early growth parameters;Brisbin;Radiation Res.,1969
3. Effects of debeaking and calorie-protein ratio of rations for New Hampshire and crossbred broilers;Combs;Misc. Publ. Maryland Agr. Exp. Sta.,1955
4. Elementary Statistical Methods for Foresters;Freese,1967
5. Behavior research confirms negative results of keeping chickens in high concentration;Martin;Ornith. Mitt.,1968