NZSAP 2011 Proceedings

PRESIDENTIAL ADDRESS

Back PJ 2011. Presidential Address 2010: What will it take to feed the world and what is the role of New Zealand animal production in this? 70: 1-2 Abstract or PDF (124kb)

YOUNG MEMBER SESSION

Grala TM et al. 2011. Temporary alterations to milking frequency, immediately post-calving, modified the expression of genes regulating milk synthesis and apoptosis in the bovine mammary gland 70: 3-8 Abstract or PDF (318kb)

Broomfield AM and Gibbs SJ 2011. The effect of three techniques of rumen pH assessment on measured pH of rumen fluid and digesta in an in vitro artificial rumen system 70: 9-12 Abstract or PDF (120kb)

Fishpool FJ et al. 2011. Fenbendazole as a possible marker of supplement intake in sheep 70: 13-16 Abstract or PDF (184kb)

Douglas RJ et al. 2011. Economic evaluation of management strategies for a model Waikato farm to achieve a herd average body condition score of 5.0 at calving 70: 17-22 Abstract or PDF (174kb)

DAIRY NUTRITION AND MILKING FREQUENCY

Higgs RJ et al. 2011. The effect of carbohydrate type on milk and milk component yields in early lactation dairy cows 70: 23-27 Abstract or PDF (127kb)

Tuñon G et al. 2011. Effect of pre-grazing herbage mass on grazing behaviour, grass dry matter intake and milk production of dairy cows 70: 28-32 Abstract or PDF (164kb)

Greenwood SL et al. 2011. BRIEF COMMUNICATION: Comparison of the performance of dairy cows offered energy supplements prior to drying off and kale at high and low allowance during the dry period in winter 70: 33-36 Abstract or PDF (119kb)

Kay JK et al. 2011. Effect of milking frequency and nutrition in early lactation on milk production and body condition in grazing dairy cows 70: 37-41 Abstract or PDF (212kb)

Rius AG et al. 2011. BRIEF COMMUNICATION: Effect of milking frequency and concentrate supplementation on milk production during an extended lactation in grazing dairy cows 70: 42-44 Abstract or PDF (136kb)

Phyn CVC et al. 2011. Effect of temporary alterations to milking frequency during the early post-partum period on milk production and body condition score in grazing dairy cows 70: 45-49 Abstract or PDF (210kb)

SHEEP AND DEER NUTRITION DURING PREGNACY

Hutton PG et al. 2011. BRIEF COMMUNICATION: The influence of a herb and legume sward on maternal behaviour and lamb colostrum intake and thermoregulation 70: 50-52 Abstract or PDF (109kb)

Scott IC et al. 2011. BRIEF COMMUNICATION: Voluntary food intake of pregnant and non-pregnant red deer hinds during the gestating period 70: 53-55 Abstract or PDF (108kb)

Paten AM et al. 2011. BRIEF COMMUNICATION: The effects of dam nutrition during pregnancy on the postnatal growth and puberty attainment of ewe progeny 70: 56-58 Abstract or PDF (124kb)

Asmad K et al. 2011. BRIEF COMMUNICATION: The effects of dam nutrition during pregnancy on the growth of male offspring 70: 59-61 Abstract or PDF (117kb)

Mathias-Davis HC et al. 2011. The association of ewe body condition score with weight of lamb weaned 70: 62-65 Abstract or PDF (137kb)

Judson HG and Barrell GK 2011. The incidence of goitre in newborn lambs from ewes fed fodder radish, rape or Italian ryegrass with or without iodine supplementation 70: 66-70 Abstract or PDF (145kb)

FARM SYSTEMS

Nicol AM and Edwards GR 2011. Why is clover better than ryegrass? 70: 71-78 Abstract or PDF (163kb)

Mulvaney FJ et al. 2011. Is there any advantage of early weaning of twin lambs born to yearlings? 70: 79-82 Abstract or PDF (175kb)

Loureiro MFP et al. 2011. BRIEF COMMUNICATION: The effect of dam age and lamb birth rank on the growth rate, faecal egg count and onset of puberty of single and twin female offspring to 12 month of age 70: 83-85 Abstract or PDF (121kb)

J Solis-Ramirez et al. 2011. Dairy goat production systems in Waikato, New Zealand 70: 86-91 Abstract or PDF (130kb)

Waldron K et al. 2011. Production variables influencing the auction sales price of New Zealand Thoroughbred yearlings 70: 92-95 Abstract or PDF (140kb)

Bywater AC et al. 2011. Flexibility and climate risk management in high stocking rate dryland sheep farming systems 70: 96-102 Abstract or PDF (175kb)

Bywater AC et al. 2011. Pasture growth and quality, and lamb growth rates in high stocking rate dryland sheep farming systems 70: 103-108 Abstract or PDF (135kb)

DAIRY AND HORSE GENETICS

Woodward SL et al. 2011. Are high breeding worth index cows more feed conversion efficient and nitrogen use efficient? 70: 109-113 Abstract or PDF (133kb)

Couldrey C et al. 2011. BRIEF COMMUNICATION: DNA methylation patterns in bovine blastocysts suggest that only limited epigenetic reprogramming has occurred in the early embryo 70: 114-116 Abstract or PDF (221kb)

Cullen NG et al. 2011. An update on genetic parameters for facial eczema susceptibility in New Zealand dairy cattle 70: 117-121 Abstract or PDF (159kb)

Rogers CW and Gee EK 2011. Selection decisions in Thoroughbred broodmares 70: 122-125 Abstract or PDF (124kb)

Chawala AR et al. 2011. Genetic analysis of incidence of recorded clinical lameness in New Zealand dairy cattle 70: 126-130 Abstract or PDF (180kb)

McMillan WH and Newman MG 2011. An economic appraisal of sex-sorted semen in New Zealand dairy herds 70: 131-135 Abstract or PDF (159kb)

Hickey SM et al. 2011. BRIEF COMMUNICATION: Phenotypic selection of cows for lactation persistency 70: 136-138 Abstract or PDF (117kb)

LANDCORP FARMING LIMITED LECTURE

Ledgard SF et al. 2011. Life cycle assessment - a tool for evaluating resource and environmental efficiency of agricultural products and systems from pasture to plate 70: 139-148 Abstract or PDF (333kb)

CONTINUING TO INCREASE PRODUCTIVITY WHILE MAINTAINING OUR CLEAN GREEN IMAGE. CONTRACT SESSION

Kerslake JI 2011. Continuing to increase productivity while maintaining our clean green image. Introductory remarks 70: 149 Abstract or PDF (99kb)

Brown M and Butler D 2011. The importance of sustainable food production for our markets 70: 149-152 Abstract or PDF (142kb)

Van Reenen EH and Pickering AH 2011. The role of legislation in improving farm sustainability and how the New Zealand Government intends to incentivise the agricultural industry 70: 152-156 Abstract or PDF (125kb)

Waghorn GC 2011. Can livestock production be increased without increasing greenhouse gas emissions? 70: 156-162 Abstract or PDF (156kb)

Ludemann CI et al. 2011. The role of breeding in reducing sheep GHG intensity 70: 162-167 Abstract or PDF (137kb)

Dynes RA et al. 2011. Modelling farm management scenarios that illustrate opportunities farmers have to reduce greenhouse gas emissions while maintaining profitability 70: 167-171 Abstract or PDF (125kb)

Dalley DE et al. 2011. The challenges of animal wintering from a sustainability perspective 70: 172-175 Abstract or PDF (117kb)

2011. Environmental Contract References 70: 175-177 PDF (130kb)

THE FUTURE FOR ANIMAL WELFARE SCIENCE: IS THERE A CLEAR DIRECTION OR ARE WE JUST RESPONDING TO ISSUES? CONTRACT SESSION

Stewart M 2011. The future for animal welfare science: Is there a clear direction or are we just responding to issues? Introductory remarks. 70: 178 Abstract or PDF (95kb)

O'Connor CE and Littin KE 2011. Animal welfare policy and science - keeping up with a changing world 70: 178-181 Abstract or PDF (116kb)

Fisher MW 2011. The welfare of extensively farmed livestock 70: 181-185 Abstract or PDF (133kb)

Schëtz KE 2011. Heat stress in farm animals 70: 185-189 Abstract or PDF (153kb)

Sutherland MA 2011. Painful husbandry procedures and methods of alleviation: a review 70: 189-194 Abstract or PDF (180kb)

Stafford KJ 2011. The welfare implications of dystocia in sheep and cattle 70: 194-197 Abstract or PDF (135kb)

2011. Animal Welfare Contract References 70: 198-202 PDF (151kb)

PRODUCT QUALITY

Silva-Villacorta D et al. 2011. Effect of lactation stage and breed on the concentration of unsaturated fatty acids in milkfat of New Zealand dairy cattle 70: 203-207 Abstract or PDF (148kb)

Campbell AW et al. 2011. BRIEF COMMUNICATION: The effects of different forage types on lamb performance and meat quality 70: 208-210 Abstract or PDF (126kb)

Bekhit AED et al. 2011. BRIEF COMMUNICATION: Effect of red wine lees on lamb meat quality 70: 211-213 Abstract or PDF (160kb)

DIGESTION AND GREENHOUSE GASES

Sneddon NW et al. 2011. Efficiency, cheese yield and carbon emissions of Holstein-Friesian, Jersey and crossbred cows: an overview 70: 214-218 Abstract or PDF (128kb)

Pinares-Patiño CS et al. 2011. Is rumen retention time implicated in sheep differences in methane emission? 70: 219-222 Abstract or PDF (125kb)

Burke JL et al. 2011. The apparent digestibility of palm kernel expeller (PKE) consumed by pasture-fed sheep 70: 223-228 Abstract or PDF (149kb)

Burke JL et al. 2011. In vitro digestion of ryegrasses harvested in the morning and afternoon to manipulate water soluble carbohydrate concentration 70: 229-233 Abstract or PDF (223kb)

Vibart RE et al. 2011. Ruminal fermentation characteristics from sheep offered a fresh grazing allocation of a ryegrass-based pasture either in the morning or in the afternoon 70: 234-239 Abstract or PDF (217kb)

Muetzel S et al. 2011. BRIEF COMMUNICATION: Evaluating rumen fluid from sheep and cattle as inoculum in a newly developed automated in vitro rumen batch culture system 70: 240-242 Abstract or PDF (176kb)

Martin C et al. 2011. Methane output and rumen microbiota in dairy cows in response to long-term supplementation with linseed or rapeseed of grass silage- or pasture-based diets 70: 243-247 Abstract or PDF (158kb)

SHEEP GENETICS

Young EA et al. 2011. BRIEF COMMUNICATION: Arapawa: a novel New Zealand sheep breed of distinct origin 70: 248-250 Abstract or PDF (209kb)

Scobie DR et al. 2011. Genetic and phenotypic relationships between flystrike indicator traits in a stud Merino flock 70: 251-256 Abstract or PDF (128kb)

Sumner RMW et al. 2011. Is there an association between dam live weight and litter structure in a flock of grazing Perendale sheep? 70: 257-262 Abstract or PDF (160kb)

Auvray B et al. 2011. BRIEF COMMUNICATION: Genomic selection in the New Zealand Sheep industry using the Ovine SNP50 Beadchip 70: 263-265 Abstract or PDF (126kb)

Sise JA et al 2011. Predicting the benefits of two stage genomic selection in young breeding rams 70: 266-269 Abstract or PDF (161kb)

BEHAVIOUR AND WELFARE

Rogers AR et al. 2011. Raising lambs with intact tails to meet retailer welfare requirements: on farm feasibility and farmer perspectives 70: 270-274 Abstract or PDF (283kb)

Stewart M et al. 2011. BRIEF COMMUNICATION: Effects of handling during calf rearing on behavioural and physiological responses of one year-old dairy heifers 70: 275-277 Abstract or PDF (171kb)

Pain SJ et al. 2011. BRIEF COMMUNICATION: Effect of gender and prior exposure on the intake and preference of sheep for plantain post-weaning 70: 278-280 Abstract or PDF (129kb)

Green TC et al. 2011. Feeding behaviour differs between dairy calves selected for divergent feed conversion efficiency 70: 281-285 Abstract or PDF (144kb)

Kerslake JI et al. 2011. Physical and physiological factors associated with twin- and triplet-born lamb heat production at 24 to 36 hours of age 70: 286-290 Abstract or PDF (139kb)

ANIMAL HEALTH

Lopdell T et al. 2011. Effect of sub-clinical uterine infection on plasma amino acid concentrations in early lactation dairy cows 70: 291-295 Abstract or PDF (151kb)

Back PJ et al. 2011. Sub-clinical uterine infection is associated with altered amino acid concentrations of follicular fluid in early lactation dairy cows 70: 296-300 Abstract or PDF (141kb)

McAnulty RW et al. 2011. BRIEF COMMUNICATION: Liveweight gain of grazing dairy calves in their first season subjected to a targeted selective anthelmintic treatment (TST) regime 70: 301-303 Abstract or PDF (154kb)

Chan J et al. 2011. Effect of condensed tannins from Pinus radiata bark on Trichostrongylus colubriformis larvae and adult worms in sheep 70: 304-308 Abstract or PDF (133kb)

Bekhit AED et al. 2011. Effect of wine lees on faecal egg count and lamb performance 70: 309-313 Abstract or PDF (167kb)

LEGEND SESSION

Barry TN 2011. Legend session: Forage secondary compounds; past, present and future 70: 314-321 Abstract or PDF (141kb)

AWARDS, LIFE MEMBERS, OBITUARIES AND OFFICERS OF THE SOCIETY

Annual Report. PDF

Life Member - Roland MW Sumner. PDF

McMeekan Award. PDF

Lincoln University Centennial Award. PDF

Obituary - Lindsay R Wallace. PDF