WASHINGTON — A new web-based tool that provides more meat grading and certification historical quality and yield grade information is available from the Agricultural Marketing Service, according to the American Meat Institute. The new tool can be found at:

http://www.ams.usda.gov/AMSv1.0/MGCGrading

Quick view charts provide information by species for quality and yield grades for five-year average percentage, last calendar year percentage and year-to-date percentage:

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http://www.ams.usda.gov/AMSv1.0/BeefGradePercentageCharts

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http://www.ams.usda.gov/AMSv1.0/LambGradePercentageCharts

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http://www.ams.usda.gov/AMSv1.0/VealGradePercentageCharts

More historical information and graphs concerning U.S.D.A. grading numbers since 1930 and for the past 20 years, by species, is available at:

http://www.ams.usda.gov/AMSv1.0/MGPublications.