Fred P. Jeffrey

Blood and Meat Spots in Chicken Eggs

Fred P. Jeffrey · Poultry Science · 1945 · 29 citations · Full text

Agriculture, Animal Sciences, Poultry Science +10

The Effects of Heredity and of Certain Environmental Factors on the Incidence of Blood Spots in Chicken Eggs

Fred P. Jeffrey, Juan Sebastian Pino · Poultry Science · 1943 · 22 citations · Full text

Agriculture, Genetics, Poultry Science +6

Changes in Pullet Year Albumen Index as Affected by Age of Bird

Fred P. Jeffrey · Poultry Science · 1941 · 19 citations · Full text

Agriculture, Animal Sciences, Zoology +15

The Relationship between Egg Shell Color and Incidence of Colored Meat Spots

Fred P. Jeffrey, C.E. Walker · Poultry Science · 1950 · 14 citations · Full text

Agriculture, Animal Sciences, Poultry Science +17

OBSERVATIONS ON DOUBLE-YOLKED EGGS FROM THE DOMESTIC FOWL

Fred P. Jeffrey, Thomas Fox, J. Robert Smyth · Journal of Heredity · 1953 · 14 citations

Agriculture, Poultry Science, Zoology +9