Techniques to advance oestrus in ewes – a comparative study between the use of progestagen sponges and the ‘ram effect’

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Abstract

The onset of oestrus in sheep can be manipulated in the last few weeks of anoestrus via several techniques (Martin, 2004). Producers use these techniques to manage for an earlier lambing time frame and consequently allow lambs to be marketed earlier in the year. The aim of the study was to see if the sponge technique compromised the performance of the ewes and lambs compared to the use of teaser rams. The key performance indicators of lambing timings; number of lambs per ewe and individual lamb weights were assessed between the two different techniques.
Original languageEnglish
Title of host publicationAdvances in Animal Biosciences
PublisherCambridge University Press
Volume7
ISBN (Print)2040-4700
DOIs
Publication statusPublished - Apr 2016

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ram effect
progestational hormones
estrus
ewes
lambs
lambing
anestrus
methodology
rams
sheep

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title = "Techniques to advance oestrus in ewes – a comparative study between the use of progestagen sponges and the ‘ram effect’",
abstract = "The onset of oestrus in sheep can be manipulated in the last few weeks of anoestrus via several techniques (Martin, 2004). Producers use these techniques to manage for an earlier lambing time frame and consequently allow lambs to be marketed earlier in the year. The aim of the study was to see if the sponge technique compromised the performance of the ewes and lambs compared to the use of teaser rams. The key performance indicators of lambing timings; number of lambs per ewe and individual lamb weights were assessed between the two different techniques.",
author = "S. Batten and Philip Watson and Brian Evans",
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Techniques to advance oestrus in ewes – a comparative study between the use of progestagen sponges and the ‘ram effect’. / Batten, S.; Watson, Philip; Evans, Brian.

Advances in Animal Biosciences. Vol. 7 Cambridge University Press, 2016.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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