Export 11 results:
Filters: Author is Xu ZZ [Clear All Filters]
Development of new fertility breeding values in the dairy industry,
, Proceedings of the New Zealand Society of Animal Production, Jan, Volume 66, Napier, p.107-112, (2006)
Effect of timing of insemination of dairy cows with liquid semen relative to the observation of oestrus,
, Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.140-142, (2004)
Relationship between bulk milk urea nitrogen and reproductive performance of New Zealand dairy herds,
, Proceedings of the New Zealand Society of Animal Production, Jan, Volume 61, Christchurch, p.192-194, (2001)
Factors affecting the sex ratio of dairy cattle in New Zealand,
, Proceedings of the New Zealand Society of Animal Production, Jan, Volume 60, Hamilton, p.301-302, (2000)
Assessment of female traits for genetic improvement of fertility in dairy cattle,
, Proceedings of the New Zealand Society of Animal Production, Jan, Volume 56, p.27-31, (1996)
Genetic parameters for fertility traits in seasonal dairy cattle,
, Proceedings of the New Zealand Society of Animal Production, Jan, Volume 56, p.38-41, (1996)
Prospects for overcoming the physiological limits of dairy cow fertility,
, Proceedings of the New Zealand Society of Animal Production, Jan, Volume 56, p.355-357, (1996)
Reproductive efficiency in lactating dairy cows,
, Proceedings of the New Zealand Society of Animal Production, Jan, Volume 56, p.34-37, (1996)
Reproductive performance of synchronised lactating dairy cows,
, Proceedings of the New Zealand Society of Animal Production, Jan, Volume 55, p.242-244, (1995)
Testis size and endocrine parameters in rams as predictors of aseasonality in their daughters,
, Proceedings of the New Zealand Society of Animal Production, Jan, Volume 52, p.195-198, (1992)
The effect of exogenous melatonin, administered in summer, on wool growth and testis diameter of Romneys,
, Proceedings of the New Zealand Society of Animal Production, Jan, Volume 49, p.35-38, (1989)