Hostname: page-component-77c89778f8-gq7q9 Total loading time: 0 Render date: 2024-07-17T23:26:56.509Z Has data issue: false hasContentIssue false
  • English
  • Français

Seasonal oestrogenic activity of various legumes

Published online by Cambridge University Press:  27 March 2009

J. E. Newton  and
J. E. Betts
J. E. Newton
Affiliation:
Grassland Research Institute, Hurley
J. E. Betts
Affiliation:
Grassland Research Institute, Hurley
Get access Rights & Permissions [Opens in a new window]

Summary

Oestrogenic activity was recorded by teat length extension in wether lambs grazing red clover S. 123 in September and October 1965 and between 21 April and the end of October 1966. The number of lambs born alive to ewes grazing red clover (S. 123) for the 2 weeks prior to mating and for 4 weeks after mating was reduced. Oestrogenic activity was also recorded in wether lambs on lucerne var. Eynsford and on white clover S. 100 from mid-June to mid-October 1966.

Oestrogenic activity was confirmed in red clover, but not in lucerne, by mouse bioassay. Slight oestrogenic activity was shown in one white clover sample only.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 70 , Issue 1 , February 1968 , pp. 77 - 82
Copyright
Copyright © Cambridge University Press 1968

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

Barrett, J. F., George, J. M. & Lamond, D. R. (1965). Reproductive performance of Merino owes grazing red clover (Trifolium pratense L.), improved pasture, or native pasture. Aust. J. agric. Res. 16, 189–200.CrossRefGoogle Scholar
Bartlett, S., Folley, S. J., Rowland, S. J., Curnow, D. H. & Simpson, S. A. (1948). Oestrogens in grass and their possible effects on milk secretion. Nature, Lond. 162, 845.CrossRefGoogle ScholarPubMed
Bennetts, H. W., Underwood, E. J. & Shier, F. L. (1946). A specific breeding problem of sheep on subterranean clover pastures in Western Australia. Aust. vet. J. 22, 2–12.CrossRefGoogle ScholarPubMed
Braden, A. W. H., Southcott, W. H. & Moule, G. R. (1964). Assessment of oestrogenic activity of pastures by means of increase of teat length in sheep. Aust. J. agric. Res. 15, 142–52.CrossRefGoogle Scholar
Coop, I. E. & Clark, V. R. (1960). The reproductive performance of ewes mated on lucerne. N.Z. Jl agric. Res. 3, 922–33.CrossRefGoogle Scholar
Drane, H. M. & Saba, N. (1967). Oestrogenic activity in legumes. (To be published.)Google Scholar
Flux, D. S., Wilson, G. F. & Wong, E. (1964). Comparison of chemical and bioassay estimates of oestrogenic potency of clover. J. Sci. Fd Agric. 15, 407–13.CrossRefGoogle Scholar
Guggolz, J.Livingston, A. L. & Bickoff, E. M. (1961). Detection of Daidzein, Formononetin, Genistein and Biochanin A in forages. J. agric. Fd Chem. 9, 330–2.CrossRefGoogle Scholar
Jennings, S. & Dow, C. (1959). Evidence of oestrogenic activity in clovers in sheep. J. Endocr. 18, xxviii.Google Scholar
Lindner, H. R. (1967). Study of the fate of the phytooestrogens in the sheep by determination of isoflavones and coumestrol in the plasma and adipose tissue. Aust. J. agric. Res. 18, 305–33.CrossRefGoogle Scholar
Millington, A. J., Francis, C. M. & McKeown, N. R. (1964). Wether bioassay of annual pasture legumes. II. The oestrogenic activity of nine strains of Trifolium subterranean L. Aust. J. agric. Res. 15, 527–36.CrossRefGoogle Scholar
Morley, F. H. W., Axelsen, A. & Bennett, D. (1963). Effects of oestrogen on fertility in ewes. Nature, Lond. 199, 403.CrossRefGoogle Scholar
Morley, F. H. W., Axelsen, A. & Bennett, D. (1964). Effects of grazing red clover (Trifolium pratense L.) during the joining season on ewe fertility. Proc. Aust. Soc. Anim. Prod. 5, 58–61.Google Scholar
Morley, F. H. W., Bennett, D. & Axelsen, A. (1963). The effect of stilboestrol administered during an autumn mating on reproduction in Merino sheep. Aust. J. agric. Res. 14, 660–9.CrossRefGoogle Scholar
Motjle, G. R., Braden, A. W. H. & Lamond, D. R. (1963). The significance of oestrogens in pasture plants in relation to animal production. Anim. Breed. 31, 139–57.Google Scholar
Pope, G. S., MoNaughton, M. J. & Jones, H. E. H. (1959). Oestrogens in British pasture plants. J. Dairy Res. 26, 196–202.CrossRefGoogle Scholar
Rossiter, R. C. & Beck, A. B. (1966). Physiological and ecological studies on the oestrogenic isoflavones in subterranean clover (T. subterranean L.). II. Effects of phosphate supply. Aust. J. agric. Res. 17, 447–56.CrossRefGoogle Scholar