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Studies on the growth of the claws in new born calves using dual energy x-ray apsorptiometry (DEXA)
S. Nüske, A. Scholz and M. Förster
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Using dual energy x-ray absorptiometry (DEXA) in humans as in animals, body constitution and composition can be examined in vivo. The principle of DEXA is based on different x-ray attenuation of different tissues. Thus, the whole body or body regions can be analyzed for the content of fat tissue, lean tissue, bone mineral content and bone mineral density. Measurements of bone mineral density of the claw region in hind and fore claws give a possibility in judgment of skeleton growth and bone density, which has not yet been examined. Investigation of a large number of calves of different breeding lines and both sexes will show, whether DEXA is suited for the judgment of limbs under the aspect of genetic evaluation of different breeds.
All calves in this investigation were born at the experimental farm of Oberschleißheim. Beginning at day 4 p.p., we performed ...
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