Skip to main content Accessibility help
×
Home
Hostname: page-component-55b6f6c457-xklcj Total loading time: 0.17 Render date: 2021-09-24T22:36:40.206Z Has data issue: true Feature Flags: { "shouldUseShareProductTool": true, "shouldUseHypothesis": true, "isUnsiloEnabled": true, "metricsAbstractViews": false, "figures": true, "newCiteModal": false, "newCitedByModal": true, "newEcommerce": true, "newUsageEvents": true }

The use of light and melatonin treatments in the preparation of Suffolk rams for out-of-season breeding

Published online by Cambridge University Press:  02 September 2010

H. Ll. Williams
Affiliation:
Department of Veterinary Medicine and Animal Husbandry, Royal Veterinary College, Potters Bar EN6 1NB
M. Hanif
Affiliation:
Department of Veterinary Medicine and Animal Husbandry, Royal Veterinary College, Potters Bar EN6 1NB
G. Cairns
Affiliation:
Department of Veterinary Medicine and Animal Husbandry, Royal Veterinary College, Potters Bar EN6 1NB

Abstract

Image of the first page of this content. For PDF version, please use the ‘Save PDF’ preceeding this image.'
Type
Poster Abstracts
Copyright
Copyright © British Society of Animal Production 1990

References

Almedia, O. F. X. and Lincoln, G. A. 1984. Reproductive photorefractoriness in rams and accompanying changes in the patterns of melatonin and prolactin secretion. Biology of Reproduction 30: 143158.CrossRefGoogle Scholar
Arendt, J., Symons, A. M., Land, C. A. and Pryde, S. J. 1983. Melatonin can induce early onset of the breeding season in ewes. Journal of Endocrinology 97: 395400.CrossRefGoogle Scholar
Evans, G. and Maxwell, W. M. C. 1986. Salomon's Artificial Insemination of Sheep and Goats. Butterworths, London.Google Scholar
Hanif, M. and Williams, H. Ll. 1988. The effects of melatonin and light treatment on the reproductive performance of yearling Suffolk rams.Proceedings of the 11th International Congress on Animal Reproduction and Artificial Insemination,Dublin, Vol. IV, p. 578.Google Scholar
Jackson, G. and Williams, H. Ll. 1973. The effect of imposed light rhythms on semen production of Suffolk rams. Journal of Agricultural Science, Cambridge 81: 179188.CrossRefGoogle Scholar
Lincoln, G. A. and Davidson, D. W. 1977. The relationship between sexual and aggressive behaviour and pituitary and testicular activity during the seasonal sexual cycle of rams, and the influence of the photoperiod. Journal of Reproduction and Fertility 49: 267276.CrossRefGoogle ScholarPubMed
Schanbacher, B. D. 1979. Increased lamb production with rams exposed to short daylengths during the non-breeding season. Journal of Animal Science 49: 927932.CrossRefGoogle Scholar
Williams, H. Ll. 1977. Environmental control of oestrus with particular attention to alterations of daylength.Proceedings of the 28th Annual Meeting of the European Association for Animal Production Brussels,Belgium, M-SG/5.04/1–6.Google Scholar
Williams, H. Ll. 1984. The effect of feeding melatonin during late summer on the onset of the breeding season of sheep. British Veterinary Journal 140: 407408.CrossRefGoogle ScholarPubMed
Williams, H. Ll. 1985. The use of melatonin to initiate breeding activity in photoperiodic breeds of sheep.Proceedings of the 36th Annual Meeting of the European Association for Animal Production Halkidiki,Greece.Google Scholar
Williams, H. Ll. and Ward, S. 1988. Melatonin and light treatment of ewes for autumn lambing. Reproduction, Nutrition, Développement 28: 7985.CrossRefGoogle Scholar
You have Access

Send article to Kindle

To send this article to your Kindle, first ensure no-reply@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about sending to your Kindle. Find out more about sending to your Kindle.

Note you can select to send to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be sent to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

Find out more about the Kindle Personal Document Service.

The use of light and melatonin treatments in the preparation of Suffolk rams for out-of-season breeding
Available formats
×

Send article to Dropbox

To send this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Dropbox.

The use of light and melatonin treatments in the preparation of Suffolk rams for out-of-season breeding
Available formats
×

Send article to Google Drive

To send this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Google Drive.

The use of light and melatonin treatments in the preparation of Suffolk rams for out-of-season breeding
Available formats
×
×

Reply to: Submit a response

Please enter your response.

Your details

Please enter a valid email address.

Conflicting interests

Do you have any conflicting interests? *