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The effect of implanting testosterone alone or with oestradiol on the growth rate and carcass quality of fattening female hoggets

  • W. R. Shorthose (a1) and G. E. Lamming (a1)

Extract

Two trials were completed using a total of 135 female hoggets from 5 to 7 months of age. The effect of implanting 15 or 30 mg. testosterone propionate or 2·5 mg. oestradiol benzoate plus 25 mg. testosterone propionate was assessed on average daily gain, slaughter characteristics and carcass yield. In the second trial some additional data were obtained on carcass quality.

No significant effect of testosterone with or without oestradiol could be demonstrated on average daily gain, carcass yield, carcass score or the proportion of retail cuts in the carcass. There was some indication that the treatment could yield carcasses with less subcutaneous fat without diminution of eye muscle size.

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The effect of implanting testosterone alone or with oestradiol on the growth rate and carcass quality of fattening female hoggets

  • W. R. Shorthose (a1) and G. E. Lamming (a1)

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