@conference {39758,
	title = {Induction of cyclical ovarian activity in seasonally anoestrous Romney ewes: studies with exogenous GnRH or LH},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {42},
	year = {1982},
	month = {Jan},
	pages = {21-24},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	abstract = {Groups of high and low fecundity Booroola x Romney (B x R) and Romney (R) two-tooth ewes grazed a pasture containing 85\% {\textquoteright}Grasslands Pawera{\textquoteright} red clover for 10 days; similar groups of ewes grazed ryegrass- white clover control pastures. Oestrus and ovulation were synchronised in all ewes to occur during the last 5 days of grazing. Pawera leaf material contained 0.7\% formononetin and the pasture was highly oestrogenic to sheep (>40 },
	issn = {1176-5283},
	author = {McNatty KP and Ball K and Hudson N and Gibb M and Thurley DC}
}
