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2014
Farming within limits – can system fundamentals be the key?, PC, Beukes, AJ Romera, and DA Clark , Proceedings of the New Zealand Society of Animal Production, 06/2014, Volume 74, Napier, p.241-244, (2014)
2013
The changing nature of farm system research, DA, Clark , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 73, Hamilton, p.54-64, (2013)
2008
Jersey cows milked once-a-day can produce 1,200 kg milk solids per hectare, DE, Dalley, JW Clough, LA Hofmann, CVC Phyn, and DA Clark , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 68, Brisbane, Australia, p.96-97, (2008)
2005
The effects of once a day milking on mastitis and somatic cell count, SJ, Lacy-Hulbert, DE Dalley, and DA Clark , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.137-142, (2005)
Feeding maize silage to dairy cows : implications for methane emissions, CD, Waugh, DA Clark, GC Waghorn, and SL Woodward , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.356-361, (2005)
Impact of monensin on methane production and performance of cows fed forage diets, SJ, Van Vugt, GC Waghorn, DA Clark, and SL Woodward , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.362-366, (2005)
Modelling dairy system efficiencies, RN, Jensen, PC Beukes, DA Clark, and KA MacDonald , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.203-208, (2005)
2004
Modelling farm systems with once-a-day milking, PC, Beukes, BS Thorrold, ME Wastney, CC Palliser, and DA Clark , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.237-240, (2004)
2002
Implementation of environmental regulations on-farm, DA, Clark, and MG Lambert , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.219-224, (2002)
Lactoferrin concentration is increased in milk from cows milked once daily, VC, Farr, CG Prosser, DA Clark, M Tong, CV Cooper, D Willix-Payne, and SR Davis , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.225-226, (2002)
2000
Effect on milk characteristics to supplementing cows on a restricted pasture allowance with different amounts of either turnips or sorghum, NA, Thomson, DA Clark, CD Waugh, van der WC Poel, and AKH MacGibbon , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 60, Hamilton, p.320-323, (2000)
1999
Effect of Lotus corniculatus and condensed tannins on milk yield and composition of dairy cows, SL, Woodward, DA Clark, PJ Laboyrie, and EBL Jansen , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 59, p.152-155, (1999)
Milk production from perennial ryegrass pastures containing different levels of endophyte, DA, Clark, ER Thom, CD Waugh, and VT Burggraaf , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 59, p.258-262, (1999)
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)
1996
Dairy cow performance on limpograss (Hemarthria altissima), PW, Woods, JN Couchman, and DA Clark , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 56, p.245-250, (1996)
Milk production from pastures and pasture silage with different levels of endophyte infection, DA, Clark, ER Thom, and CD Waugh , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 56, p.292-296, (1996)
1994
Some effects of feeding pasture silage as a supplement to pasture on reproductive performance in lactating dairy cows, S, McDougall, DA Clark, KL Macmillan, and NB Williamson , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 54, p.95-98, (1994)
1991
The effect of varying leafy sward height and bulk density on the ingestive behaviour of young deer and sheep, RJ, Mitchell, J Hodgson, and DA Clark , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 51, p.159-166, (1991)
1989
Effects of cold conditions on the oxygen consumption of shorn goats, CW, Holmes, and DA Clark , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 49, p.175-178, (1989)
1982
Animal production from hill country: Effect of fertiliser and grazing management, DA, Clark, and MG Lambert , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 42, p.173-176, (1982)
Diet selection by goats and sheep on hill country, DA, Clark, MG Lambert, MP Rolston, and N Dymock , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 42, p.155-158, (1982)
1981
Modelling a hill-country sheep production system, TRO, Field, DA Clark, and MG Lambert , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 41, p.90-94, (1981)
1979
Feed intake of grazing Friesian bulls, DA, Clark, and RW Brougham , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 39, p.265-274, (1979)
1973
Feed Conversion Efficiency in High Liveweight Gain and Low Liveweight Gain Friesian Bulls, DA, Clark , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 33, p.206-207, (1973)