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2006
Supplementation with concentrates either pre- or post-partum does not affect milk production when diets are iso-energetic, JR, Roche, JM Lee, PW Aspin, AJ Sheahan, CR Burke, ES Kolver, B Sugar, and AR Napper , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 66, Napier, p.416-422, (2006)
2005
Effects of feeding level for four weeks precalving on milk production is small and dependent on level of feeding in early lactation, JR, Roche, ES Kolver, JM Lee, PW Aspin, CR Burke, P Taylor, and AR Napper , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.215-220, (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)
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)
Incidence of mastitis among cows of different genogtypes in differing nutritional environments, SJ, Lacy-Hulbert, ES Kolver, JH Williamson, and AR Napper , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.24-29, (2002)
Pasture versus total mixed ration during the periparturient period, JR, Roche, ES Kolver, and AR Napper , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.252-256, (2002)
Total mixed rations versus pasture diets: Evidence for a genotype x diet on the concentration of amino acid-derived volatiles in milk, ES, Kolver, JR Roche, de MJ Veth, PL Thorne, and AR Napper , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.246-251, (2002)
2000
A comparison New Zealand and overseas Holstein Friesian heifers, ES, Kolver, AR Napper, PJA Copeman, and LD Muller , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 60, Hamilton, p.265-269, (2000)
The effect of pasture silage quality on milk production and liveweight gain of dairy cattle, KA, MacDonald, PK Nicholas, JM Kidd, JW Penno, and AR Napper , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 60, Hamilton, p.253-255, (2000)
1998
Use of 'Barkant' turnips and 'Superchow' sorghum crops to increase summer-autumn milk production, SL, Harris, DA Clark, CD Waugh, PJA Copeman, and AR Napper , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 58, p.121-124, (1998)
1997
Effects of pasture intake and grain supplementation on milk nitrogen fractions, SF, Petch, AM Bryant, and AR Napper , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 57, p.154-156, (1997)
1996
Effect of feeding turnips to dairy cows grazing limited amounts of pasture in mid to late lactation on milksolids production, JW, Penno, AM Bryant, AR Napper, and PJA Copeman , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 56, p.242-244, (1996)