the residue profile of boldenone (beta-bold) and of its epimer (alfa bold) were investigated by LC_MS/MS in urine of male veal calves fed with two commercial milk replacers containing cholesterol and phytosterols at different ratio. Concentration of alfa-bold were always higher in urine from calves receiving the milk replacer with the greater amount of phytosterols; during the whole experiment 17beta-bold was never detected in urine samples collected.
Excretion profile of a-Boldenone in urine of veal calves with milk replacers.
MERLANTI, ROBERTA;CAPOLONGO, FRANCESCA;GALLINA, GUGLIELMO;MONTESISSA, CLARA
2006
Abstract
the residue profile of boldenone (beta-bold) and of its epimer (alfa bold) were investigated by LC_MS/MS in urine of male veal calves fed with two commercial milk replacers containing cholesterol and phytosterols at different ratio. Concentration of alfa-bold were always higher in urine from calves receiving the milk replacer with the greater amount of phytosterols; during the whole experiment 17beta-bold was never detected in urine samples collected.
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