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2020
Impact of trait genetic gains on methane emissions from NZ beef and dairy farms, LE, Proctor, JA Archer, JA Sise, X Zhang, JJ Crowley, and PR Amer , New Zealand Journal of Animal Science and Production, 09/2020, Volume 80, Online, p.76-79, (2020)
2017
Calf and heifer development and the onset of puberty in dairy cows with divergent genetic merit for fertility, S, Meier, B Fisher, K Eketone, LR McNaughton, PR Amer, P Beatson, JR Bryant, KG Dodds, R Spelman, JR Roche, et al. , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.205-210, (2017)
2015
Analysing hidden patterns of farmers’ preferences for farm performance characteristics that may be related to tail-docking practice decisions, D, Martin-Collado, TK Byrne, PR Amer, MJ Behrent, G Maclennan, and JI Kerslake , Proceedings of the New Zealand Society of Animal Production, 07/2015, Volume 75, Dunedin, p.205-209, (2015)
Transfers of genetic merit through multiple-tiered breeding structures into trait expressions for commercial sheep production, BFS, Santos, TJ Byrne, PR Amer, JP Gibson, and der JHJ Van Werf , Proceedings of the New Zealand Society of Animal Production, 07/2015, Volume 75, Dunedin, p.97-100, (2015)
Uncovering genetic variation in cow fertility using simulation, NA, Dennis, K Stachowicz, B Visser, FS Hely, PR Amer, S Meier, and CR Burke , Proceedings of the New Zealand Society of Animal Production, 07/2015, Volume 75, Dunedin, p.42-47, (2015)
2014
BRIEF COMMUNICATION: Predicting the impact of climate change on the risk of facial eczema outbreaks throughout New Zealand, NA, Dennis, PR Amer, and S Meier , Proceedings of the New Zealand Society of Animal Production, 06/2014, Volume 74, Napier, p.161-163, (2014)
2012
Chinook salmon (Oncorhynchus tshawytscha) feed conversion efficiency: evaluation and potential for selection, SP, Walker, M Ingram, Bailey J, KG Dodds, PJ Fisher, PR Amer, and JE Symonds , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 72, Christchurch, p.227-230, (2012)
A comparative analysis of genetic trends within the New Zealand sheep industry, JA, Sise, TJ Byrne, NB Jopson, MJ Young, and PR Amer , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 72, Christchurch, p.159-162, (2012)
2011
Predicting the benefits of two stage genomic selection in young breeding rams, JA, Sise, EM Linscott, and PR Amer , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 71, Invercargill, p.266-269, (2011)
The role of breeding in reducing sheep GHG intensity, CI, Ludemann, TJ Byrne, JA Sise, and PR Amer , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 71, Invercargill, p.162-167, (2011)
2009
Background effects on ewe lambing and weaning performance in well recorded breeding flocks, PR, Amer, JA Sise, NB Jopson, and AR Bray , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 69, Christchurch, p.115-117, (2009)
Rates of genetic progress being achieved throughout the New Zealand ram breeding industry, PR, Amer , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 69, Christchurch, p.155-157, (2009)
A simulation model to partition ewe efficiency into component traits for genetic analysis, JA, Sise, GH Shackell, TJ Byrne, SF Glennie, and PR Amer , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 69, Christchurch, p.223-227, (2009)
2008
SNiP and cut: Quantifying the potential benefits of genomic selection tools for genetic fault elimination in sheep, JA, Sise, B Auvray, KG Dodds, and PR Amer , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 68, Brisbane, Australia, p.33-36, (2008)
2007
Impact of early age litter size on subsequent litter output in ewes, PR, Amer, NB Jopson, J Cocks, and AL Scarlet , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 67, Wanaka, p.39-43, (2007)
Prospects for genome wide selection in the New Zealand livestock industries, KG, Dodds, PR Amer, RJ Spelman, JA Archer, and B Auvray , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 67, Wanaka, p.162-168, (2007)
2006
Quantitative genetic selection for twinning rate in ewes, PR, Amer, and L Bodin , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 66, Napier, p.429-433, (2006)
2004
Comparison of two-stage selection breeding programmes for terminal sire sheep, NB, Jopson, PR Amer, and JC McEwan , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.212-216, (2004)
2003
Genetics of lamb survival, PR, Amer, and NB Jopson , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 63, Queenstown, p.201-203, (2003)
Ram Focus - matching rams to buyer flocks, NB, Jopson, and PR Amer , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 63, Queenstown, p.190-193, (2003)
What is a better ram worth?, A, Meikle, and PR Amer , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 63, Queenstown, p.187-189, (2003)
2002
Dynamic selection for sheep genetic improvement, PR, Amer, NB Jopson, and JC McEwan , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.188-190, (2002)
2001
Optimal utilization of genetic resources in aquaculture, PR, Amer, NB Jopson, KG Dodds, JE Symonds, and J Hills , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 61, Christchurch, p.35-37, (2001)
2000
Economic benefit of using a major gene in a nucleus selection programme with limits on inbreeding, PR, Amer, and B Villanueva , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 60, Hamilton, p.41-43, (2000)
Trait economic weights for genetic improvement with SIL, PR, Amer , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 60, Hamilton, p.189-191, (2000)
1998
Cost-benefit analysis of commercial use of the Inverdale prolificacy gene, PR, Amer, JC McEwan, KG Dodds, and GH Davis , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 58, p.157-160, (1998)
Examination of selection index weights for lamb production, JW, Skerritt, PR Amer, and GB Nicoll , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 58, p.146-149, (1998)