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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, Volume 67, Wanaka, p.315-319, (2007) , (Full PDF)
Supplemental fumarate has little effect on the detailed composition of bovine milk during early lactation, S-A Turner, PW Aspin, and ES Kolver , Proceedings of the New Zealand Society of Animal Production, Volume 67, Wanaka, p.242-247, (2007) , (Full PDF)
2006
Diet or strain: Effects on postpartum anovulatory interval in dairy cows, LM Chagas, PJS Gore, AJ Sheahan, JM Lee, KA Watkins, PW Aspin, and JR Roche , Proceedings of the New Zealand Society of Animal Production, Volume 66, Napier, p.339-343, (2006) , (Full PDF)
Effect of genotype and diet on milksolids production, body condition, and reproduction of cows milked continuously for 600 days, ES Kolver, JR Roche, CR Burke, and PW Aspin , Proceedings of the New Zealand Society of Animal Production, Volume 66, Napier, p.245-251, (2006) , (Full PDF)
A nutrient-signalling effect of grain feeding on postpartum anovulatory intervals in mature dairy cows, CR Burke, JR Roche, PW Aspin, and JM Lee , Proceedings of the New Zealand Society of Animal Production, Volume 66, Napier, p.334-338, (2006) , (Full PDF)
Plasma insulin, growth hormone, and IGF-1 concentrations of Holstein - Friesian cows of divergent genotype offered varying levels of concentrate in early lactation, ES Kolver, JR Roche, and PW Aspin , Proceedings of the New Zealand Society of Animal Production, Volume 66, Napier, p.403-408, (2006) , (Full PDF)
Prevalence of mastitis for cows of different genotypes milked for two consecutive seasons, SJ Lacy-Hulbert, EL Summers, JH Williamson, PW Aspin, and ES Kolver , Proceedings of the New Zealand Society of Animal Production, Volume 66, Napier, p.236-240, (2006) , (Full PDF)
Supplemental fumarate did not influence milksolids or methane production from dairy cows fed high quality pasture, ES Kolver, and PW Aspin , Proceedings of the New Zealand Society of Animal Production, Volume 66, Napier, p.409-415, (2006) , (Full PDF)
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, Volume 66, Napier, p.416-422, (2006) , (Full PDF)
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, Volume 64, Hamilton, p.227-231, (2004) , (Full PDF)
Fumarate reduces methane production from pasture fermented in continuous culture, ES Kolver, PW Aspin, GN Jarvis, KM Elborough, and JR Roche , Proceedings of the New Zealand Society of Animal Production, Volume 64, Hamilton, p.155-159, (2004) , (Full PDF)