Abstract
CLOVER infertility disease in sheep is attributed to the high concentrations of oestrogenic substances found in certain legumes such as subterranean clover, variety Yarloop1. Reduction in flock fertility can be as high as 75% with additional losses of lambing ewes due to dystocia2,3. Where large areas of these clovers are grown, as in western and southern Australia, the economic loss is considerable. Significant progress has been made in selecting clover varieties which have a low oestrogen content4 but replacement of established oestrogenic species has had limited success and the cost of renovation is often prohibitively high. We wish to report some observations which suggest that it may be possible to select and breed animals likely to be resistant to clover infertility disease using existing flocks classified on the basis of their haemoglobin (Hb) type.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
