in experiments with young fattening boars , implanted at 50 kg with either oestradiol 17 beta ( 34 mg ) ( o group ) or oestradiol 17 beta + testosterone ( 20 + 200 mg ) ( to group ) and fed the same amount of a protein rich diet , there was not any favourable effect on growth rate , feed conversion efficiency , carcass composition and protein retention , as calculated by carcass analysis of slaughter weight pigs and 50 kg live weight pigs .
C0014912
oestradiol 17 beta
C0717756
oestradiol 17 beta