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2020
Changes in live weight and fleece characteristics during the lifetime of three breeds of New Zealand feral sheep that differ in fleece type, RMW, Sumner, DR Scobie, D O'Connell, and HV Henderson , New Zealand Journal of Animal Science and Production, 09/2020, Volume 80, Online, p.117-123, (2020)
2013
Association of the KRT33A (formerly KRT1.2) gene with live-weight and wool characteristics in yearing Perendale sheep, RMW, Sumner, RHJ Forrest, H Zhou, HV Henderson, and JGH Hickford , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 73, Hamilton, p.158-164, (2013)
Relative performance of three strains of fine-woolled Merino sheep farmed on Waikato hill country, RMW, Sumner, and HV Henderson , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 73, Hamilton, p.136-142, (2013)
2012
Relative performance of Wiltshire and Perendale sheep, RMW, Sumner, DR Scobie, D O’Connell, and HV Henderson , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 72, Christchurch, p.28-34, (2012)
2011
Is there an association between dam live weight and litter structure in a flock of grazing Perendale sheep?, RMW, Sumner, HV Henderson, and AM Sheppard , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 71, Invercargill, p.257-262, (2011)
2010
Genetic and environmental relationships between liveweight change over the summer in Perendale ewes and the lifetime live weight profiles of their progeny, RMW, Sumner, CA Morris, SM Hickey, and AM Sheppard , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 70, Palmerston North, p.165-170, (2010)
2009
Do objective measurements or subjective assessments explain more of the variation in strong wool auction prices?, RMW, Sumner , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 69, Christchurch, p.80-84, (2009)
Realities of clip preparation for strong wool from adult sheep, AK, McDermott, and RMW Sumner , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 69, Christchurch, p.85-89, (2009)
2008
Relative economic value of wool processing parameters for New Zealand strong wool between 2003 and 2007, RMW, Sumner, AK McDermott, and NR Cox , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 68, Brisbane, Australia, p.53-56, (2008)
2007
Effect of divergent selection for wool bulk on live weight and wool characteristics in Perendale sheep, RMW, Sumner, JN Clarke, and NG Cullen , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 67, Wanaka, p.180-186, (2007)
2006
Economic consequences for sheep farmers from using genetic technologies, RMW, Sumner, and RM Davison , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 66, Napier, p.149-154, (2006)
Effect on fleece weight of combining genes from four flocks independently selected for increased fleece weight, RMW, Sumner, JN Clarke, HT Blair, NG Cullen, and HV Henderson , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 66, Napier, p.195-199, (2006)
Environmental and physiological mechanisms underlying wool growth rhythms in New Zealand coarse wool sheep, PE, Kendall, RMW Sumner, and AJ Pearson , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 66, Napier, p.144-148, (2006)
Gene markers for wool fibre traits, JKR, Abbott, JGH Hickford, and RMW Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 66, Napier, p.139-144, (2006)
Options for change within the wool supply chain, AK, McDermott, RMW Sumner, and DR Scobie , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 66, Napier, p.113-119, (2006)
Presidential Address 2005: Animal production - the bridge between animals on the farm and the consumer, RMW, Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 66, Napier, p.1-3, (2006)
2005
Re: Relation between sweating and wool yellowing in Merino and Romney sheep, RMW, Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.378, (2005)
Relation between skin structure and wool yellowing in Merino and Romney sheep, RMW, Sumner, and AJ Craven , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.197-202, (2005)
Relationship of mean fibre diameter and time of shearing with wool yellowing in Merino sheep farmed under North Island conditions, RMW, Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.191-196, (2005)
2004
Relation between sweating and wool yellowing in Merino and Romney sheep, RMW, Sumner, MG Ashby, and AJ Craven , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.286-292, (2004)
2003
Wool yellowing and pH within Merino and Romney fleeces, RMW, Sumner, SR Young, and MP Upsdell , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 63, Queenstown, p.155-159, (2003)
2002
Factors associated with yellowing within Romney, RMW, Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.61-64, (2002)
2001
Age effects and interrelationships between wool characteristics of genotypes used to develop GrowBulk sheep, RMW, Sumner, and MP Upsdell , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 61, Christchurch, p.100-103, (2001)
2000
Effect of sample preparation method on the validity of an early-life predictor of hogget wool bulk in genotypes used to develop GrowBulk sheep, RMW, Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 60, Hamilton, p.155-158, (2000)
Variation of fibre and follicle characteristics related to wool bulk over the body of Perendale ewes: Implications for measurement of wool bulk, RMW, Sumner, and AJ Craven , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 60, Hamilton, p.166-170, (2000)
1999
Development of fibre and follicle characteristics related to wool bulk in hoggets of genotypes used to develop GrowBulk sheep, RMW, Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 59, p.39-42, (1999)
Genetic effects in GrowBulk sheep, JN, Clarke, RMW Sumner, and NG Cullen , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 59, p.14-16, (1999)
Seasonal wool growth patterns and the follicle and fibre characteristics of New Zealand feral sheep, AJ, Pearson, MG Ashby, RMW Sumner, and AJ Nixon , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 59, p.34-38, (1999)
1998
Seasonality of wool growth in Waikato and Southland of Romney sheep selected for high fleece weight, RMW, Sumner, T Wuliji, JL Dobbie, RN Andrews, and MP Upsdell , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 58, p.270-273, (1998)
1997
Changes in fibre and follicle characteristics related to wool bulk during the lifetime of Perendale ewes., RMW, Sumner, and JL Dick , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 57, p.65-69, (1997)
Seasonal changes in fibre and follicle characteristics related to wool bulk in Perendale ewes., JL, Dick, and RMW Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 57, p.61-64, (1997)
1996
Development of fibre and follicle characteristics related to wool bulk in Perendale sheep over the first year of life, JL, Dick, and RMW Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 56, p.314-318, (1996)
Effect of lamb shearing on fine wool Merino hogget performance, S-AN, Newman, DC Maddever, and RMW Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 56, p.328-331, (1996)
Effect of wool length and season of shearing on the propensity of Romney, Coopworth and Perendale wool to yellow, TC, Reid, RMW Sumner, JR Sedcole, and KJ Botica , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 56, p.324-327, (1996)
1995
Differences in propensity of wool to develop yellow discolouration in flocks of Perendale sheep selected for and against, TC, Reid, KJ Botica, and RMW Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 55, p.46-49, (1995)
Effect of control of internal parasitism on productivity of Merino breeding ewes, RMW, Sumner, TG Watson, and BC Hosking , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 55, p.205-208, (1995)
The relationship between cortical structure and fibre diameter in primary and secondary wool fibres of yearling Perendale sheep, JL, Dick, and RMW Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 55, p.31-34, (1995)
1994
Repeatability of seasonal wool growth in Merino Sheep, RMW, Sumner, JN Clarke, AJ Pearson, and PM Speedy , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 54, p.163-166, (1994)
1993
Plasma prolactin in Romney sheep selected for hogget fleece weight, JN, Clarke, AJ Pearson, RMW Sumner, DL Johnson, JL Dobbie, JE Wildermoth, and AL Wrigglesworth , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 53, p.371-376, (1993)
Relationships between loose wool bulk and follicle and fibre characteristics in yearling Perendale sheep, RMW, Sumner, RH Stobart, and DL Johnson , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 53, p.307-310, (1993)
1992
Comparative performance of ewes shorn either once-yearly or 3 times in 2 years, RMW, Sumner, RW Webby, and RD Winter , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 52, p.225-228, (1992)
1991
Bulk and its structural basis: A review, RH, Stobart, and RMW Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 51, p.339-346, (1991)
Comparative wool production of Texel, Oxford Down, Finnish Landrace and Romney sheep, JL, Dobbie, RMW Sumner, JN Clarke, and PM Speedy , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 51, p.303-308, (1991)
Effect of selecting Perendale hoggets for loose wool bulk on fleece characteristics and wool end-product performance, RMW, Sumner, DC Maddever, and JN Clarke , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 51, p.347-352, (1991)
Wool growth in autumn and spring lambing ewes, TC, Reid, and RMW Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 51, p.383-388, (1991)
1990
The effect of early exposure to facial eczema on ewe lifetime production, RW, Moore, RMW Sumner, and BW Dow , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 50, p.473-475, (1990)
Effect of shearing once-yearly in January, once-yearly in July or twice-yearly in January and July on ewe performance, RMW, Sumner, and ML Scott , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 50, p.329-334, (1990)
1989
Inheritance of loose wool bulk, RMW, Sumner, JN Clarke, and DL Johnson , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 49, p.297-302, (1989)
Relative wool production of wethers and ewes of different rearing status, RMW, Sumner, and DG McCall , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 49, p.209-214, (1989)
1988
Effect of shearing once-yearly in October or twice-yearly in February and October on ewe performance, RMW, Sumner, and LD Willoughby , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 48, p.213-218, (1988)
Performance parameters in an autumn lambing ewe flock, TC, Reid, RMW Sumner, and LD Wilson , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 48, p.91-94, (1988)
1987
Effect of different shearing policies on sheep production in Northland, RMW, Sumner, and D Armstrong , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 47, p.107-110, (1987)
1986
Implications of objective measurement for sheep management, RMW, Sumner, and H Hawker , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 46, p.198-200, (1986)
1985
Effect of post-weaning and post-mating/post-weaning shearing on ewe performance, RMW, Sumner, and LD Willoughby , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 45, p.221-224, (1985)
Effect of steroid immunisation in the performance of 3 breeds of sheep under hill country conditions, TW, Knight, JF Smith, and RMW Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 45, p.181-183, (1985)
Inheritance of loose wool bulk in Romney and Perendale sheep, ML, Bigham, RMW Sumner, JN Clarke, and DL Johnson , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 45, p.213-216, (1985)
1984
Effect of shearing on meat and wool production from lambs reared on hill country, RMW, Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 44, p.45-48, (1984)
1983
Effect of feeding and season on fleece characteristics of Cheviot, Drysdale and Romney hogget wool, RMW, Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 43, p.79-82, (1983)
Fleece tenderness - a review, ML, Bigham, RMW Sumner, H Hawker, and JM Fitzgerald , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 43, p.73-78, (1983)
Hogget lambing and its effect on the subsequent two-tooth performance of three breeds, RW, Moore, RMW Sumner, JJ Bass, and H-UP Hockey , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 43, p.21-24, (1983)
1982
Effects of castrating and surgically dehorning male Drysdale and Tukidale lambs on the efficacy of mechanical head skinning, RMW, Sumner, and GR Longdill , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 42, p.141-144, (1982)
1981
Effect of grazing management on hogget fleece characteristics, RMW, Sumner, C During, and RW Webby , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 41, p.128-132, (1981)
Wool growth of ewes during autumn on hill country, RMW, Sumner, and DC Smeaton , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 41, p.283-287, (1981)
1980
Effects of short-term differential feeding in the autumn on liveweight gains and wool growth of ewes, RMW, Sumner, and PV Rattray , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 40, p.209-214, (1980)
A review of effects of shearing on sheep production, ME, Smith, ML Bigham, TW Knight, and RMW Sumner , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 40, p.215-220, (1980)
1969
Some effects of an increased stocking level on wool growth, RMW, Sumner, and GA Wickham , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 29, p.208-217, (1969)