Twenty-six Holstein ccws and 45 crossbred beef heifers were measured for height and body length. Each animal was videotaped and corresponding measurements taken off the videotape images using a computer image analysis system. Although physical and corresponding video measurements did differ significantly for some of the traits measured, the mean differences were small. Measurements taken on the same animals at a later date did not differ significantly from predicted values for wither height and hip height in dairy and beef, and hip width and one msasure of body length in beef. Thus there is potential for using video image analysis to quickly obtain objective measures of animal conformation
Proceedings of the World Congress on Genetics Applied to Livestock Production, Volume XV. Beef cattle, sheep and pig genetics and breeding, fibre, fur and meat quality., , 295–298, 1990
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