Family Differences in Fertility of Turkey HensHarper, J. A.; Parker, J. E. · Poultry Science · 1950

Hereditary Muscular Dystrophy in the Domestic TurkeyHARPER, J. A.; PARKER, J. E. · Journal of Heredity · 1967

Effect of Light and Drugs in Controlling Egg Production of TurkeysHarper, J. A.; Parker, J. E. · Poultry Science · 1965

Effect of Restricted Light and Hormones on Subsequent Egg Production of Winter Hatched TurkeysHarper, J. A.; Parker, J. E. · Poultry Science · 1960

Changes in Seasonal Egg Production of Turkeys Induced Through Controlled Light Exposure and Force MoultingHarper, J. A.; Parker, J. E. · Poultry Science · 1957

Pre-Laying Use of Reserpine for Control of Light Refractoriness in Young Turkey FemalesHarper, J. A.; Parker, J. E. · Poultry Science · 1973

Effect of Fall Hatch Date and Length of Light Restriction on the Photoperiodic Response of Turkey FemalesHarper, J. A.; Parker, J. E. · Poultry Science · 1962

Vaccines against infectious coryzaBlackall, P. J. · World's Poultry Science Journal · 1995

Egg shell strengthBowman, J. C.; Challender, N. I. · British Poultry Science · 1963

Egg shell strenghWells, R. G. · British Poultry Science · 1967

NutritionCarré, B.; Gomez, J.; Chagneau, A. M. · British Poultry Science · 1995

Blood groups in chickens ¹Gilmour, D. G. · British Poultry Science · 1960

Future considerations in poultry nutritionLeeson, S. · Poultry Science · 2012

True and apparent metabolisable energySibbald, I. R.; Wolynetz, M. S. · British Poultry Science · 1987

Physical properties of egg shellsVoisey, Peter W.; Hunt, J. R. · British Poultry Science · 1967