Poultry Science · 1951 · 11 citations · 7 references
AgricultureAnimal SciencesPoultry SciencePoultry BreedingPoultry PhysiologyPoultry ReproductionEgg ProductionPoultry ProductionReproductive PerformanceReproductive SeasonalitySeasonal ReproductionEgg Production SeasonalityEgg Production Under Lighting RegimesEnvironmental Effects On Egg ProductionHen ProductivityPhotoperiodic Control Of LayingSeasonal Daylight VariationSeasonal Production DistributionSeasonal Variation
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THE HAUGH UNIT FOR MEASURING EGG QUALITY
R R Haugh · Medical Entomology and Zoology · 1937 · 967 citations
Changes in Pullet Year Albumen Index as Affected by Age of Bird
Fred P. Jeffrey · Poultry Science · 1941 · 19 citations · Full text