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2007
The effects of zeranol or zinc supplementation before lambing on the incidence of vaginal prolapse in twinning ewes, AJ, Litherland, TW Knight, DBO McDougall, TG Cook, J Sprosen, and MG Lambert , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 67, Wanaka, p.68-72, (2007)
2004
Effect of ergot alkaloids on liveweight gain and urine lysergol level in ewe hoggets and heifers, DL, Layton, LR Fletcher, AJ Litherland, MG Scannell, J Sprosen, CJ Hoogendoorn, and MG Lambert , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.192-196, (2004)