[Urinary steroids in calves following administration of anabolic compounds. Effect of total diet].
Levels of testosterone, trenbolone, 17 beta-estradiol (conjugated plus unconjugated) and creatinine were measured in urine of calves treated 55 days before with trenbolone and 17 beta-estradiol implants. The mean concentration of urinary creatinine and implant steroids was increased by a factor 3 after 1 day of total diet and 5 after 2 days, levels of individual calves exhibiting a great dispersion.
D000818:Animals; D002417:Cattle; D003404:Creatinine / Q000652:urine*; D004032:Diet; D004343:Drug Implants; D004958:Estradiol / Q000008:administration & dosage / Q000652:urine*; D004963:Estrenes / Q000652:urine*; D008401:Gas Chromatography-Mass Spectrometry; D007700:Kinetics; D011863:Radioimmunoassay; D013739:Testosterone / Q000008:administration & dosage / Q000652:urine*; D014204:Trenbolone Acetate / Q000008:administration & dosage / Q000652:urine*
D004343:Drug Implants; D004963:Estrenes; D013739:Testosterone; D004958:Estradiol; D003404:Creatinine; D014204:Trenbolone Acetate
Les stéroïdes urinaires chez le veau après administration d'anabolisant. Influence de la diète totale.