Transcription of United States Egg-Grading Manual
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AUnited StatesDepartment ofAgricultureAgriculturalMarketingServic eAgricultural Handbook Number 75 Egg-GradingManualiContentsI. Production and Maintenance of Egg and ..3 Feeding ..3 Care of Eggs on the Farm ..4 Egg-processing Facilities ..4 Buildings and Premises ..5 Washing, Grading, and Packing Operations and Equipment ..6 Cooling Facilities ..9 Health and Cleanliness of Employees ..10 Distribution ..10 III. Structure, Composition, and Formation of the Egg ..11 Physical Structure ..11 Composition .. of the of the of the Shell of the of Quality of Exterior Quality Shape and of of Interior Quality ..20 Interior Quality.
the United States are from caged layers, primarily because of economics. Eggs produced in cages cost less to produce than those in floor systems due to much more intensive labor and floor space requirements with the latter. Most new operations are environmentally controlled multiple-level cage systems that are com-
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