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2012
Maintenance energy requirements of non-lactating, pregnant dairy cows, KS, Mandok, SL Greenwood, JK Kay, M Crookenden, and JR Roche , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 72, Christchurch, p.117-119, (2012)
Once-daily milking during a feed deficit improves energy status in early lactating dairy cows, JK, Kay, CVC Phyn, AG Rius, SR Morgan, TM Grala, and JR Roche , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 72, Christchurch, p.129-133, (2012)
2009
The effect of concentrate supplementation on milk production during an extended lactation in grazing dairy cows : Brief Communication, CVC, Phyn, JK Kay, CG Roach, and ES Kolver , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 69, Christchurch, p.43-45, (2009)
The effect of feed restriction during peak lactation on milk production parameters : Brief Communication, JK, Kay, CVC Phyn, YJ Williams, JR Roche, CR Burke, and S Meier , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 69, Christchurch, p.24-26, (2009)
2007
Production and physiological indicators to select cows suitable for extended lactations, JK, Kay, PW Aspin, CVC Phyn, JR Roche, and ES Kolver , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 67, Wanaka, p.315-319, (2007)
2005
Regulating milk fat synthesis: potential on-farm applications of basic science, LH, Baumgard, JK Kay, CE Moore, JR Roche, MJ Vanbaale, and RP Rhoads , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.33-39, (2005)
2004
Effect of precalving feeding level on the milk production of grazing dairy cows, JR, Roche, JK Kay, ES Kolver, PW Aspin, J Lee, B Sugar, and AR Napper , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.227-231, (2004)
2003
Diurnal variation in blood plasma metabolites and insulin of lactating dairy cows grazing pasture and supplemented with a high-lipid supplement either once or twice a day, NA, Thomson, K Singh, and JK Kay , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 63, Queenstown, p.107-111, (2003)
Predicting Delta9-desaturase activity and the association with conjugated linoleic acid (CLA) concentration in bovine milk, NA, Thomson, A Chand, and JK Kay , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 63, Queenstown, p.25-30, (2003)
2002
Concentrations of conjugated linoleic acid in milk from cows grazing pasture of fed a total mixed ration for an entire lactation, MJ, Audlist, JK Kay, NA Thomson, AR Napper, and ES Kolver , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.240-241, (2002)
Endogenous synthesis and enhancement of conjugated linolieic acid in pasture-fed dairy cows, JK, Kay, TR Mackle, MJ Auldist, NA Thomson, and DE Bauman , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.12-15, (2002)
On-farm management to modify milkfat composition - a review of experiments undertaken at Dexcel to produce a spreadable butter directly from the cow, NA, Thomson, MJ Auldist, JK Kay, AKH MacGibbon, and JJ Murphy , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.100-103, (2002)
2001
Effect of stage of lactation on the efficiency of Jersey and Friesian cows at converting pasture to milk production or liveweight gain, NA, Thomson, JK Kay, and MO Bryant , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 61, Christchurch, p.213-216, (2001)