Gas chromatographic/mass spectrometric analysis of 19-nortestosterone urinary metabolites in cattle

Ann Rech Vet. 1989;20(4):485-91.

Abstract

Gas chromatographic and mass spectrometric method is used to confirm the administration of 19-nortestosterone to cattle. The most abundant metabolites detected were 19-norepitestosterone and 5 alpha-oestrane-3 beta,17 alpha-diol.

MeSH terms

  • Animals
  • Cattle / metabolism*
  • Cattle / urine
  • Estranes / analysis
  • Estranes / urine
  • Female
  • Gas Chromatography-Mass Spectrometry
  • Injections, Intramuscular
  • Nandrolone / administration & dosage
  • Nandrolone / metabolism*

Substances

  • Estranes
  • Nandrolone