@conference {39620,
	title = {Age and breed effect of ram on ewe{\textquoteright}s reproductive performance},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {39},
	year = {1979},
	month = {Jan},
	pages = {77-86},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	issn = {1176-5283},
	author = {Ch{\textquoteright}ang TS and Evans R}
}
