@conference {40541,
	title = {Selecting on pubertal traits to increase beef cow reproduction},
	booktitle = {Proceedings of the New Zealand Society of Animal Production},
	volume = {53},
	year = {1993},
	month = {Jan},
	pages = {427-432},
	publisher = {New Zealand Society of Animal Production},
	organization = {New Zealand Society of Animal Production},
	abstract = {Two groups of 10 mature, crossbred cows received either a single  daily dose of 10 g Mg or no supplemental Mg for two 5 day periods. Blood  was sampled twice daily and urine once daily. On 3 days blood and urine  were sampled four times. Serum Mg levels of 3 unsupplemented animals fell  from 0.74 },
	issn = {1176-5283},
	author = {Morris CA and Bennett GL and Johnson DL}
}
