Hostname: page-component-586b7cd67f-t8hqh Total loading time: 0 Render date: 2024-11-27T03:11:14.707Z Has data issue: false hasContentIssue false
  • English
  • Français

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

Published online by Cambridge University Press:  01 February 1961

W. R. Shorthose  and
G. E. Lamming
W. R. Shorthose
Affiliation:
University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leics.
G. E. Lamming
Affiliation:
University of Nottingham School of Agriculture, Sutton Bonington, Loughborough, Leics.
Get access

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.

Type
Research Article
Information
Animal Production , Volume 3 , Issue 1 , February 1961 , pp. 97 - 102
Copyright
Copyright © British Society of Animal Science 1961

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Andrews, F. N., Beeson, W. M., & Harper, C., 1949. The effect of stilbestrol and testosterone on the growth and fattening of lambs. J. Anim. Sci., 8: 578.CrossRefGoogle Scholar
Burgess, T. D., & Lamming, G. E., 1960. The effect of hormones on growth rate and carcass quality of fattening lambs and hoggets. Anim. Prod., 2: 83.CrossRefGoogle Scholar
Burris, M. J., Bogart, R., & Oliver, A. W., 1953. Alteration of daily gain, feed efficiency and carcass characteristics in beef cattle with male hormones. J. Anim. Sci., 12: 740.CrossRefGoogle Scholar
Davey, R. J., Armstrong, D. T., & Hansel, W., 1959. Studies on the use of hormones in lamb feeding. 2. Tissue assays and physiological effects. J. Anim. Sci., 18: 75.CrossRefGoogle Scholar
Dinusson, W. E., Andrews, F. N., & Beeson, W. M., 1948. The effect of stilbestrol, testosterone and thyroid alteration on growth and fattening of beef heifers. J. Anim. Sci., 1: 523.Google Scholar
Dorfmann, R. I., & Shipley, R. A., 1956. Androgens. John Wiley & Sons, New York.CrossRefGoogle Scholar
Gaebler, O. H., & Tarnowski, S. M., 1943. Effects of estrone, ascorbic acid and testosterone propionate on nitrogen storage and insulin requirements in dogs. Endocrinol., 33: 317.CrossRefGoogle Scholar
Gordon, G. S., 1951. Methyl androstenediol, its present clinical status. Am. J. Med., 11: 629.CrossRefGoogle Scholar
Gordon, G. S., Evans, H. M., & Simpson, Marion E., 1947. Effects of testosterone propionate on body weight and urinary nitrogen excretion of normal and hypo-physectomised rats. Endocrinol., 40: 375.CrossRefGoogle Scholar
Henneman, H. A., Rust, R. E., & Meites, J., 1957. The effect of steroid hormones on fattening lambs. J. Anim. Sci., 16: 283.CrossRefGoogle Scholar
Hirzel, R., 1939. A suggested method of scoring lamb carcasses. Onderstepoort J. vet. Sci., 12: 379.Google Scholar
Kenyon, A. T., Knowlton, K., Sandiford, I., Koch, F. G, & Lotwin, G., 1940. A comparative study of the metabolic effects of testosterone propionate in normal men and women and in eunuchoidism. Endocrinol., 26: 26.CrossRefGoogle Scholar
Korner, A., & Young, F. G., 1955. The influence of methyl androstenediol on body weight and carcass composition of the rat. J. Endocrinol., 13: 78.CrossRefGoogle Scholar
Lamming, G. E., Stokes, R. M., & Horspool, D., 1960. The influence on growth rate and slaughter characteristics of implanting fattening male hoggets with various levels of hexoestrol and diethylstilboestrol. Anim. Prod., 2: 197.Google Scholar
Means, T. M., Andrews, F. N., & Beeson, W. M., 1953. The effect of hormones on the growth and fattening of lambs. J. Anim. Sci., 12: 176.CrossRefGoogle Scholar
O'Mary, C. C., Pope, A. L., Wilson, C. D., Bray, R. W., & Casida, L. E., 1952. The effects of diethylstilbestrol, testosterone and progesterone on growth and fattening and certain carcass characteristics of western lambs. J. Anim. Sci., 11: 656.CrossRefGoogle Scholar
Taylor, B., Hale, W. H., & Burroughs, W., 1954. Some effects of adding synthetic androgens to the fattening ration of ewe lambs. J. Anim. Sci., 13: 1032.Google Scholar
Taylor, B., Hale, W. H., & Burroughs, W., 1957. Growth and fattening stimulation in ewe lambs by certain androgenic and estrogenic compounds. J. Anim. Sci., 16: 294.CrossRefGoogle Scholar
Whitaker, M. D., Brown, H., Barnhart, C. E., Kemp, J. D., & Varney, W. Y., 1959. Effects of methyl androstenediol, methyl testosterone and thyroprotein on growth and carcass characteristics of swine. J. Anim. Sci., 15: 1189.CrossRefGoogle Scholar