Hostname: page-component-586b7cd67f-dlnhk Total loading time: 0 Render date: 2024-12-04T09:52:37.178Z Has data issue: false hasContentIssue false
  • English
  • Français

The effects of feeding white clover pellets and red clover hay on teat length, plasma gonadotrophins and pituitary function in wethers

Published online by Cambridge University Press:  27 March 2009

N. Saba ,
A. M. Symons  and
Hilary M. Drane
N. Saba
Affiliation:
Central Veterinary Laboratory, Ministry of Agriculture, Fisheries and Food, Weybridge, Surrey
A. M. Symons
Affiliation:
Central Veterinary Laboratory, Ministry of Agriculture, Fisheries and Food, Weybridge, Surrey
Hilary M. Drane
Affiliation:
Central Veterinary Laboratory, Ministry of Agriculture, Fisheries and Food, Weybridge, Surrey
Get access Rights & Permissions [Opens in a new window]

Summary

Feeding of white clover or red clover oestrogenic diets to wethers produced increases in teat length but did not affect the basal plasma luteinizing hormone levels or pituitary sensitivity to luteinizing hormone-releasing hormone.

Type
Research Article
Information
The Journal of Agricultural Science , Volume 82 , Issue 2 , April 1974 , pp. 357 - 361
Copyright
Copyright © Cambridge University Press 1974

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

Brown, J. M., Cumming, I. A., Goding, J. R. & Hearnshaw, H. (1972). Control of baseline levels of luteinizing hormone in the ewe. Journal of Reproduction and Fertility 28, 134–5.CrossRefGoogle ScholarPubMed
Catt, K. J. & Tregear, G. W. (1968). Solid-phase radioimmunoassay. In Protein and Polypeptide Hormones, pp. 45–8. Ed. Marguolies, M.. Amsterdam. Excerpta Medica Foundation.Google Scholar
Cunningham, N. F. & Hebert, C. N. (1973). A solidphase radioimmunoassay for ovine follicle-stimulating hormone (FSH). Journal of Endocrinology 58, 239–49.CrossRefGoogle Scholar
Engle, P. H., Bell, D. S. & Davis, R. R. (1957). Effect of Ladino clover, Birdsfoot trefoil and Bluegrass pasture on the rate of conception among ewes. Journal of Animal Science 16, 703–10.CrossRefGoogle Scholar
Kelly, R. W. (1972). The oestrogenic activity of coumestans in ovarieotomized ewes. Journal of Reproduction and Fertility 28, 159.CrossRefGoogle ScholarPubMed
Morley, F. H. W., Bennett, D. & Axelsen, A. (1969). Adaptation by sheep to isoflavones in clover. Australian Journal of Experimental Agriculture and Animal Husbandry 9, 569–73.CrossRefGoogle Scholar
Newton, J. E. & Betts, J. E. (1968). Seasonal oestrogenic activity of various legumes. Journal of Agricultural Science, Cambridge 70, 77–82.CrossRefGoogle Scholar
Newton, J. E. & Betts, J. E. (1973). The effects of red clover (Trifolium pratense var redhead), white clover (Trifoliurn repens var S100) or perennial rye grass (Lolium perenne var S. 23) on the reproductive performance of sheep. Journal of Agricultural Science, Cambridge 80, 323–7.CrossRefGoogle Scholar
Saba, N., Drane, H. M., Hebert, C. N., Newton, J. E. & Betts, J. E. (1972). Effect of disease on oestrogenio activity and coumestrol content of white clover and lucerne. Journal of Agricultural Science, Cambridge 78, 471–5.CrossRefGoogle Scholar
Sanger, V. L. & Bell, D. S. (1959). Oestrogonic activity in green forage crops and its effect on breeding ewes. Journal of the American Veterinary Medical Association 134, 237–9.Google ScholarPubMed
Symons, A. M., Cunningham, N. F. & Saba, N. (1974). The gonadotrophic hormone response of anoestrous and cyclic ewes to luteinizing hormone-releasing hormone. Journal of Reproduction and Fertility (in the Press).CrossRefGoogle ScholarPubMed
Wong, E., Flux, D. S. & Latch, G. C. (1971). The oestrogenic activity of white clover. New Zealand Journal of Agricultural Research 14, 639–45.CrossRefGoogle Scholar
Wright, P. A. (1960). Infertility in rabbits induced by feeding Ladino clover. Proceedings of the Society for Experimental Biology and Medicine 105, 428–30.CrossRefGoogle ScholarPubMed