New Zealand Journal of Agricultural Research 2005

Volume 48/Number 1/March  2005

• Direct and correlated responses to selection for high or low faecal nematode egg count in Perendale sheep C. A. Morris, M. Wheeler, T. G. Watson, B. C. Hosking, D. M. Leathwick p. 1
• Milk harvesting and cow factors influencing seasonal variation in the levels of free fatty acids in milk from Waikato dairy herds N. A. Thomson, M. W. Woolford, P. J. A. Copeman, M. J. Auldist p. 11
• Ingestion of soil fluorine: its impact on the fluorine metabolism of dairy cows N. D. Grace, P. Loganathan, M. W. Deighton, G. Molano, M. J. Hedley p. 23
• Effects of potassium content and dusting of sodium chloride on the pasture preference of dairy cows J. D. Morton, C. J. Roach, A. H. C. Roberts p. 29
• Effects of sheep treading on soil physical properties and pasture yield of newly sown pastures J. J. Drewry, R. J. Paton p. 39
• Establishing grassland yield models using Projection Pursuit Regression Method Li Jianlong, Qi Jiaguo, Zhao Dehua, Jiang Ping, Xu Sheng p. 47
• Effect of grazing intensity on clonal morphological plasticity and biomass allocation patterns of Artemisia frigida and Potentilla acaulis in the Inner Mongolia steppe Li Jinhua, Li Zhenqing, Ren Jizhou p. 57
• Genetic differentiation in white clover (Trifolium repens) populations during 8 years of contrasting phosphorus supply in New Zealand hill country M. E. Wedderburn, D. J. Barker, D. F. Chapman, S. J. Orr, N. Dymock p. 63
• Effect of annual weeds on the growth of perennial grass mixtures in the alpine region of the Qinghai-Tibetan Plateau Wei Xiaohong, Dong Shikui, Long Ruijun, Hu Zizhi, Wang Genxuan p. 75
• Breeding 'GA 143' perennial ryegrass (Lolium perenne L.)-a population with branched inflorescences W. Rumball, J. E. Miller, R. B. Claydon p. 83
• Branched inflorescence perennial ryegrass (Lolium perenne L.)-seed yield evaluated in field trials and response to nitrogen and trinexapac-ethyl plant growth regulator M. P. Rolston, W. J. Archie, W. Rumball p. 87
• Breeding for disease resistance, forage, and seed production in Lotononis bainesii Baker D. Real, N. Altier p. 93
• The yield and nutritive value of maize hybrids grown for silage J. P. Millner, R. Villaver, A. K. Hardacre p. 101
• A new procedure for evaluating lucerne genotypes for semi-arid land in west China Liu Hui Xia, Guo Zheng Gang, Wang Suo Ming, Zhang Zi He, Wang Yan Rong p. 109
• The effects of cultivar and heat treatment on protein quality and trypsin inhibitor content of New Zealand field peas K. A. C. James, C. A. Butts, S. C. Morrison, J. P. Koolaard, M. F. Scott, R. E. Scott, W. B. Griffin, L. M. Bang p. 117
• Germplasm release: 'G34' Crownvetch (Coronilla varia L.) W. Rumball, R. B. Claydon, J. E. Miller p. 125
• Germplasm release: 'G35' Sainfoin (Onobrychis viciifolia Scop.) W. Rumball, R. B. Claydon p. 127
• Germplasm release: 'G41' Zigzag clover (Trifolium medium L.) W. Rumball, R. B. Claydon p. 129
• Modelling phosphorus losses from pastoral farming systems in New Zealand R. W. McDowell, R. M. Monaghan, D. Wheeler p. 131
• Soil and pasture responses to lime on dry hill country in central Hawke's Bay, New Zealand J. D. Morton, M. H. Gray, A. G. Gillingham p. 143
• Tests on a new bait for flies (Diptera: Calliphoridae) causing cutaneous myiasis (flystrike) in sheep M. C. Morris p. 151
• Host stage preference and reproductive fitness of Aphidius eadyi (Hymenoptera: Aphidiidae) on Acyrthosiphon pisum (Hemiptera: Aphididae) X. Z. He, Q. Wang, D. A. J. Teulon p. 157

Volume 48/Number 2/June 2005

• Effect of hogget nutrition in pregnancy on lamb birthweight and survival to weaning S. T. Morris, P. R. Kenyon, D. M. West p. 165
• Skin wrinkles affect wool characteristics and the time taken to harvest wool from Merino and Halfbred sheep D. R. Scobie, S. R. Young, D. O'Connell, S. Gurteen p. 177
• Milk production and fatty acid profile of milk fat by dairy cows fed a winter oats (Avena sativa L.) pasture only or a total mixed ration G. F. Schroeder, J. J. Couderc, F. Bargo, D. H. Rearte p. 187
• Effects of perennial rygrass infected with either AR1 or wild endophyte on dairy production in the Waikato S. J. Bluett, E. R. Thom, D. A. Clark, K. A. MacDonald, E. M. K. Minneé p. 197
• The economic implications of climate-induced variations in milk production A. B. Tait, J. A. Renwick, A. H. Stroombergen p. 213
• The impacts of nitrogen fertilisation and increased stocking rate on pasture yield, soil physical condition and nutrient losses in drainage from a cattle-grazed pasture R. M. Monaghan, R. J. Paton, L. C. Smith, J. J. Drewry, R. P. Littlejohn p. 227
• Effects of dairy factory effluent application on nutrient transformation in soil A. Ghani, M. Dexter, U. Sarathchandra, J. Waller p. 241
• Root growth media effects on root morphology and architecture in white clover J. R. Crush, D. A. Care, A. Gourdin, D. R. Woodfield p. 255
• Seasonal changes of herbage quality within a New Zealand beef cattle finishing pasture C. F. Machado, S. T. Morris, J. Hodgson, M. Fathalla p. 265
• Identifying and discriminating among lucerne cultivars using plant morphological characters M. Dehghan-Shoar, J. G. Hampton, M. J. Hill p. 271
• Grassland recovery by protection from grazing in a semi-arid sandy region of northern China J. Y. Zhang,, Y. Wang, X. Zhao, G. Xie, T. Zhang p. 277
• The effect of ryegrass variety on trace metal uptake C. W. Gray, R. G. McLaren p. 285

Volume 48/Number 3/September 2005

• The effect of maternal shearing and thyroid hormone treatments in mid pregnancy on birth weight, follicle and wool characteristics of lambs P. R. Kenyon, R. G. Sherlock, T. J. Parkinson, S. T. Morris p. 293
• Effect of cow diet on free fatty acid concentrations in milk N. A. Thomson, W. C. Van der Poel, M. W. Woolford, M. J. Auldist p. 301
• A functional comparison of ovine and porcine chymotrypsins K. D. Johnson, S. Marshall. A. Clark p. 311
• Productive behaviour of red deer (Cervus elaphus) relocated to the Neotropical Realm K. Flores, A. A. Luna, C. Tapia, J. L. Rivera, C. G. Vasquez, A. Shimada p. 321
• Occurrence and impact of pasture mealybug (Balanococcus poae) and root aphid (Aploneura lentisci) on ryegrass (Lolium spp.) with and without infection by Neotyphodium fungal endophytes C. G. L. Pennell, A. J. Popay, O. J-P. Ball, D. E. Hume, D. B. Baird p. 329
• Resistance in Trifolium repens and T. semipilosum to Meloidogyne trifoliophila (Nematoda: Tylenchida) is temperature sensitive C. F. Mercer p. 339
• 'Grasslands HF1' red clover (Trifolium pratense L.) - a cultivar bred for isoflavone content W. Rumball, R. G. Keogh, G. A. Sparks p. 345
• Cutting effects on growth characteristics, yield composition and population relationships of perennial ryegrass and white clover in mixed pasture YW Yu, F Hou p. 349
• Evaluation of simple quick tests for determining the nitrogen mineralisation potential in soils in controlled environments S Mishra, HJ Di, KC Cameron, R Monaghan, A Carran p. 359
• A quick field test for evaluating phosphorus movement in sandy soils RD Rhue, VD Nair, WG Harris p. 367
• Pre-basic seed production of Lotononis bainesii Baker cv. 'INIA Glencoe' D Real, F Formoso, A Martinez, I Risso, W Hugo, C Rostan, R Alzugaray p. 377
• Book review: Collapse: How societies choose to fail or survive. By Jared Diamond. JS Rowarth p. 381

  Volume 48/Number 4/December 2005

• Methane emission from sheep grazing four pastures in late summer in New Zealand M. J. Ulyatt, K. R. Lassey, I. D. Shelton, C. F. Walker p. 385
• Understanding public responses to genetic engineering through exploring intentions to purchase a hypothetical functional food derived from genetically modified dairy cattle B. H. Small, T. G. Parminter, M. W. Fisher p. 391
• The impact of invasive invertebrate pests in pastoral agriculture: a review S. L. Goldson, J. S. Rowarth, J. R. Caradus p. 401
• Germplasm release: 'G44' tetraploid Yorkshire Fog (Holcus lanatus L.) W. Rumball, J. E. Miller p. 417
• Germplasm release: 'GO152' forage yarrow (Achillea millefolium L.) W. Rumball p. 419
• Germplasm release: 'GAO153' turf type strawberry clover (Trifolium fragiferum L.) W. Rumball, R. B. Claydon p. 421
• Herbage production, persistence, nutritive characteristics and water use of perennial forages grown over 6 years on a Wakanui silt loam H. E. Brown, D. J. Moot, K. M. Pollock p. 423
• Associations between beta-casein genotype and milk yield and composition in grazing dairy cows C. A. Morris, S. M. Hickey, N. G. Cullen, C. G. Prosser, R. M. Anderson, M. L. Tate p. 441
• Effect of serpentine rock and its acidulated products as magnesium fertilisers for pasture, compared with magnesium oxide and Epsom salts, on a Pumice Soil 1. Dry matter yield and magnesium uptake J. A. Hanly, P. Loganathan, L. D. Currie p. 451
• Effect of serpentine rock and its acidulated products as magnesium fertilisers for pasture, compared with magnesium oxide and Epsom salts, on a Pumice Soil. 2. Dissolution and estimated leaching loss of fertiliser magnesium P. Loganathan, J. A. Hanly, L. D. Currie p. 461
• Hormonal treatments and the ram effect on synchronised oestrus in Awassi ewes at the beginning of the breeding season M. Alnimer, M. J. Tabbaa, M. Amasheh, H. Alzyoud p. 473
• Production performance of different lucerne varieties in China Wei Min Zang, Cheng Zhang Wang, Yu Xin Yang p. 481
• Trace element accumulation by poplars and willows used for stock fodder B. Robinson, T. Mills, S. B. Chancerel, B. Clothier, L. Fung, S. Hurst, I. McIvor p. 489
• Bovine spongiform encephalopathy (BSE): its context in New Zealand and new tests P. H. Atkinson p. 499
• The effectiveness of different nitrification inhibitor formulations in limiting nitrate accumulation in a Southland pastoral soil L. C. Smith, R. M. Monaghan, S. F. Ledgard, W. D. Catto p. 517
• Effects of variation in shade level, shade duration and light quality on perennial pastures M. B. Dodd, A. W. McGowan, I. L. Power, B. S. Thorrold p. 531

  Book reviews

• An illustrated guide to common weeds of New Zealand Graeme Bourdot  p. 545
• Methods in agricultural chemical analysis: a practical handbook Peter Lorentz  p. 546

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