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United States Standards Grades and Weight Classes for Shell Eggs
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AGRICULTURAL MARKETING SERVICE air cell albumen bacteria basis Black Rot blood ring blood spots brown eggs candlers candling light candling room cartons certificates chalazae check gradings clean eggs consumers Day of School defects Department of Agriculture dirty eggs egg grading egg is twirled egg-grading Federal-State grading filler and flat germ development grade eggs grade mark grading room grading service inch Individual Shell Eggs inedible eggs interior quality Laboratory practice layer leakers licensed grader lot of eggs Lunch Afternoon meat spots mucin normal official grade operation ovary oviduct Ovomucin ovulation percent poultry Ptrctnt quality factors quality hill Quality of Individual resident grader sample shell color shell membranes shell surface slightly stains standards and grades standards of quality sumer temperature thick white thin tion U. S. Department U. S. grades U. S. Standards United States Standards uterus viscosity vitelline membrane weight classes yolk outline yolk shadow