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. 1978 Mar 1;19(1):1–17. doi: 10.1186/BF03547637

Bone Mineral Determination in Coccygeal Vertebrae by Dichromatic Photon Absorptiometry*

Benmineralmätningar utförda med dikromatisk foton absorptiometri i svanskotor hos nötkreatur

Roland Zetterholm 11,21,31,41,✉, Nils Dalén 11,21,31,41
PMCID: PMC8366378  PMID: 655021

Abstract

A bone scanning device for determination of the bone mineral content in coccygeal vertebrae of cattle is described. The equipment has two gamma radiation sources, consisting of 125I and 241Am with energies of 27 and 60 keV, respectively. Absorption is measured by a scintillator photomultiplier detector. The precision of the method has been tested in vivo and found satisfactory (1.5%). It is therefore well suited for measuring bone mineral content in coccygeal vertebrae, and thereby the changes which take place in mineral content can be followed.

Keywords: absorptiometry, bone mineral measurement, calcium metabolism, cattle, gamma ray source, phosphorus

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