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2020
Genetic evaluation for farm profitability in a commercial grazing dairy herd of Uruguay, D, Laborde, and N Lopez-villalobos , New Zealand Journal of Animal Science and Production, 09/2020, Volume 80, Online, p.55-59, (2020)
Genetic parameters, breed and heterosis effects for conformation scores in cows milked once a day, NW, Sneddon, DJ Donaghy, and N Lopez-villalobos , New Zealand Journal of Animal Science and Production, 09/2020, Volume 80, Online, p.51-54, (2020)
Milk composition and productive and reproductive performance of cows from A1 and A2 β-casein variants, milked once or twice a day, Y, Lu, RE Hickson, K Gedye, M Correa-Luna, DJ Donaghy, and N Lopez-villalobos , New Zealand Journal of Animal Science and Production, 09/2020, Volume 80, Online, p.137-142, (2020)
Persistency and lactation curves modelled using nonlinear random regression in dairy cows milked once a day, H, Jiang, RE Hickson, OT Woods, M Morandeau, JL Burke, M Correa-Luna, DJ Donaghy, and N Lopez-villalobos , New Zealand Journal of Animal Science and Production, 09/2020, Volume 80, Online, p.131-136, (2020)
2019
Associations of body condition score and change in body condition score with lamb production in New Zealand Romney ewes, IM, Tait, PR Kenyon, DJ Garrick, N Lopez-villalobos, AB Pleasants, and RE Hickson , New Zealand Journal of Animal Science and Production, 07/2019, Volume 79, Palmerston North, p.91-94, (2019)
Effect of genetic merit for milk urea on milk production and efficiency of crude protein utilization of grazing cows with contrasting supplement inclusion, M, CorreaLuna, DJ Donaghy, PD Kemp, MM Schutz, and N Lopez-villalobos , New Zealand Journal of Animal Science and Production, 07/2019, Volume 79, Palmerston North, p.112-117, (2019)
Estimates of genetic parameters for lactation curves for milk, fat, protein and somatic cell score in New Zealand dairy goats, MR, Scholtens, N Lopez-villalobos, DJ Garrick, HT Blair, K Lehnert, and RG Snell , New Zealand Journal of Animal Science and Production, 07/2019, Volume 79, Palmerston North, p.1-7, (2019)
Estimation of heritabilities for milk urea and efficiency of crude protein utilization by day of lactation in a New Zealand dairy cow herd, HBPC, Ariyarathne, M CorreaLuna, HT Blair, DJ Garrick, and N Lopez-villalobos , New Zealand Journal of Animal Science and Production, 07/2019, Volume 79, Palmerston North, p.183-187, (2019)
Growth and milk production of dairy heifers born to two-year-old or mixed-age dams, RC, Handcock, N Lopez-villalobos, PJ Back, RE Hickson, and LR McNaughton , New Zealand Journal of Animal Science and Production, 07/2019, Volume 79, Palmerston North, p.135-139, (2019)
Milk production and rebreeding performance of mixed-aged dairy cows mated to Angus or Hereford bulls, LW, Coleman, PJ Back, HT Blair, N Lopez-villalobos, and RE Hickson , New Zealand Journal of Animal Science and Production, 07/2019, Volume 79, Palmerston North, p.144-148, (2019)
Regression of traits-other-than-production phenotypes for cows milked once a day on estimated breeding values obtained from cows milked twice a day, NW, Sneddon, N Lopez-villalobos, DJ Garrick, JF Rocha, and DJ Donaghy , New Zealand Journal of Animal Science and Production, 07/2019, Volume 79, Palmerston North, p.140-143, (2019)
2018
BRIEF COMMUNICATION: Differential expression of lactoferrin and insulin-like growth factor-1 genes in milk from cows milked once and twice a day, K, Gedye, S Notcovich, M CorreaLuna, P Ariyarathne, A Heiser, and N Lopez-villalobos , New Zealand Journal of Animal Science and Production, 07/2018, Volume 78, Lincoln, p.109-110, (2018)
Economic value of productive life of cows on organic dairy farms in the United States, N, Lopez-villalobos, AP Schinckel, and MM Schultz , New Zealand Journal of Animal Science and Production, 07/2018, Volume 78, Lincoln, p.128-131, (2018)
Genetic parameters for milk urea concentration and milk traits in New Zealand grazing dairy cattle, N, Lopez-villalobos, M CorreaLuna, JL Burke, NW Sneddon, MM Schultz, DJ Donaghy, and PD Kemp , New Zealand Journal of Animal Science and Production, 07/2018, Volume 78, Lincoln, p.56-61, (2018)
Heritability of longevity in New Zealand dairy goats, MR, Scholtens, N Lopez-villalobos, DJ Garrick, and HT Blair , New Zealand Journal of Animal Science and Production, 07/2018, Volume 78, Lincoln, p.11-15, (2018)
Phenotypic correlations of milk urea and the efficiency of crude protein utilization with milk yield traits and cow performance in two contrasting dairy systems in New Zealand, M, CorreaLuna, N Lopez-villalobos, GA AlmeidaJr, DJ Donaghy, and PD Kemp , New Zealand Journal of Animal Science and Production, 07/2018, Volume 78, Lincoln, p.76-81, (2018)
2017
BRIEF COMMUNICATION: Assessing the current value of milk, meat and fibre products from the goat industry in New Zealand, -Lozano, SR, Lopez, MR Scholtens, RMC Smith, N Lopez-Villalobos, D Burt, L Harper, DG Thomas, AJ Carr, DI Gray, P Tozer, et al. , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.173-176, (2017)
BRIEF COMMUNICATION: Efficiency of crude protein utilization and milk urea nitrogen content in Friesian, Jersey and crossbred cows milked once daily, M, CorreaLuna, N Lopez-Villalobos, DJ Donaghy, PD Kemp, and GA AlmeidaJr , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.91-92, (2017)
BRIEF COMMUNICATION: Once-a-day milking with supplemented cows in Argentina, B, Lazzarini, L Peluffo, N Lopez-Villalobos, L Hendrikse, and J Baudracco , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.61-63, (2017)
BRIEF COMMUNICATION: The current state of the New Zealand goat industry, MR, Scholtens, RMC Smith, -Lozano, SR Lopez, N Lopez-Villalobos, D Burt, L Harper, M Tuohy, DG Thomas, AJ Carr, DI Gray, et al. , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.164-168, (2017)
BRIEF COMMUNICATION: The potential of the New Zealand goat industry, RMC, Smith, MR Scholtens, -Lozano, SR Lopez, N Lopez-Villalobos, D Burt, L Harper, D Thomas, A Carr, D Gray, P Tozer, et al. , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.169-172, (2017)
Comparison of health and reproductive treatments over three seasons for once-a-day and twice-a-day milking herds, P, Van Der Spek, NW Sneddon, N Lopez-Villalobos, DJ Donaghy, RA Laven, KR Mueller, J Amoore, and H Doohan , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.211-215, (2017)
Culling reasons in once-a-day milking cows and differences in production and type traits between retained and culled cows, JF, Rocha, N Lopez-Villalobos, and JL Burke , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.200-204, (2017)
Estimates of genetic parameters for direct and maternal genetic effects on weaning weights in Dairymeade sheep, N, Lopez-Villalobos, M King, J King, and RS Morris , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.129-132, (2017)
Growth curves of New Zealand Holstein-Friesian, Jersey and Holstein-Friesian-Jersey crossbred heifers, RC, Handcock, N Lopez-Villalobos, LR McNaughton, GR Edwards, and RE Hickson , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.64-68, (2017)
The percentage of spring-calving carryover cows in New Zealand dairy herds and their milk production, compared to heifers, age-matched and lactation-matched non-carryover cows, RR, Gardner, PJ Back, N Lopez-Villalobos, and LR McNaughton , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.3-7, (2017)
Prototype genetic evaluation in a New Zealand dairy sheep flock, MR, Scholtens, SW Peterson, K Gunson, A Gunson, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.121-124, (2017)
Random regression curves for body condition score and live weight from cows in two different dairy systems over three seasons, NW, Sneddon, N Lopez-Villalobos, and DJ Donaghy , Proceedings of the New Zealand Society of Animal Production, 06/2017, Volume 77, Rotorua, p.72-76, (2017)
2015
BRIEF COMMUNICATION: Composition of milk sampled from beef-cross-dairy cows unaccustomed to milking., RE, Hickson, PJ Back, LW Coleman, N Lopez-Villalobos, PR Kenyon, and ST Morris , Proceedings of the New Zealand Society of Animal Production, 07/2015, Volume 75, Dunedin, p.260-262, (2015)
Estimation of a premium for milk with a high concentration of unsaturated fatty acids based on farm and processor profit: A simulation study., D, Silva-Villacorta, N Lopez-Villalobos, RE Hickson, H Blair, and A MacGibbon , Proceedings of the New Zealand Society of Animal Production, 07/2015, Volume 75, Dunedin, p.54-59, (2015)
Estimation of breed and heterosis effects for milk traits and somatic cell scores in cows milked once and twice daily in New Zealand, F, Lembeye, N Lopez-Villalobos, JL Burke, and SR Davis , Proceedings of the New Zealand Society of Animal Production, 07/2015, Volume 75, Dunedin, p.60-63, (2015)
Estimation of crossbreeding effects on yields of dairy products and value of milk processed in different product portfo, NW, Sneddon, N Lopez-Villalobos, RE Hickson, L Shalloo, and DJ Garrick , Proceedings of the New Zealand Society of Animal Production, 07/2015, Volume 75, Dunedin, p.48-53, (2015)
Phenotypic correlations among alternative definitions of feed efficiency in grazing lactating dairy cows across parities and lactation stages, AM, Hurley, N Lopez-Villalobos, S McParland, E Lewis, E Kennedy, M O'Donovan, JL Burke, and DP Berry , Proceedings of the New Zealand Society of Animal Production, 07/2015, Volume 75, Dunedin, p.34-38, (2015)
Stayability of beef-cross-dairy breeding cows to six years of age, RE, Hickson, RA Corner-Thomas, NP Martin, PR Kenyon, N Lopez-Villalobos, and ST Morris , Proceedings of the New Zealand Society of Animal Production, 07/2015, Volume 75, Dunedin, p.159-163, (2015)
2014
BRIEF COMMUNICATION: Genetic evaluation for milking performance in a large flock of milking sheep in New Zealand, WH, McMillan, SJ McLachlan, IS Hercus, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, 06/2014, Volume 74, Napier, p.55-57, (2014)
BRIEF COMMUNICATION: High milk production in milked sheep grazed in large flocks in New Zealand, WH, McMillanan, SJ McLachlan, IS Hercus, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, 06/2014, Volume 74, Napier, p.52-54, (2014)
BRIEF COMMUNICATION: Milk production, live weight, body condition and somatic cell score during the first 150 days of lactation in Friesian, Jersey and crossbred cows milked once daily, F, Lambeye, N Lopez-Villalobos, JL Burke, and SR Davis , Proceedings of the New Zealand Society of Animal Production, 06/2014, Volume 74, Napier, p.46-48, (2014)
Supply and demand for lactose in the New Zealand dairy industry, NW, Sneddon, N Lopez-Villalobos, RE Hickson, L Shalloo, DJ Garrick, and U Geary , Proceedings of the New Zealand Society of Animal Production, 06/2014, Volume 74, Napier, p.215-219, (2014)
2013
Does Production Worth and Breeding Worth reflect cow profitability?, BJ, Clark, JG Garcia-Muniz, PJ Black, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 73, Hamilton, p.17-20, (2013)
Effect of dam size and nutrition during pregnancy on fetal testicular development in sheep, K, Asmad, PR Kenyon, TJ Parkinson, SJ Pain, N Lopez-Villalobos, and HT Blair , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 73, Hamilton, p.41-44, (2013)
Efficiency of beef breeding cows that vary in live weight and milking potential, NL, Law, RE Hickson, N Lopez-Villalobos, PR Kenyon, and ST Morris , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 73, Hamilton, p.11-16, (2013)
Mastitis pathogens isolated from dairy cattle that were managed on conventionally or organically maintained matched farmlets, Z, Ullah, JK Margerison, DC Simcock, A Thatcher, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 73, Hamilton, p.183-185, (2013)
Review of milk payment systems to identify the component value of lactose, NW, Sneddon, N Lopez-Villalobos, RE Hickson, and L Shalloo , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 73, Hamilton, p.33-36, (2013)
Spatial-time correlation between milk urea with milk components and somatic cell score of bulk milk samples from farms supplying milk for cheese and milk powder manufacturing, JG, Garcia-Muniz, N Lopez-Villalobos, JL Burken, T Sandbrok, and CG Vazquez-Pelaez , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 73, Hamilton, p.108-113, (2013)
2012
Economic values for New Zealand dairy goats, J, Solis-ramirez, N Lopez-Villalobos, and HT Blair , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 72, Christchurch, p.166-168, (2012)
Effects of maternal nutrition during pregnancy on the growth and reproductive development of male sheep: a meta-analysis, K, Asmad, S Nakagawa, N Lopez-Villalobos, PR Kenyon, SJ Pain, and HT Blair , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 72, Christchurch, p.51-57, (2012)
Examination of New Zealand sport horse performance records and their suitability for the calculation of breeding values, FE, Creagh, N Lopez-Villalobos, RE Hickson, and Rogers CW , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 72, Christchurch, p.3-7, (2012)
Genetic parameters for lactose and its relationship with concentrations and ratios of other milk components, NW, Sneddon, N Lopez-Villalobos, RE Hickson, and L Shalloo , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 72, Christchurch, p.76-80, (2012)
Productivity and financial characteristics of herds that produce milkfat with different concentration of unsaturated fatty acids using a stochastic farm model, D, Silva-Villacorta, N Lopez-Villalobos, HT Blair, RE Hickson, and AKH MacGibbon , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 72, Christchurch, p.175-180, (2012)
Validation of a bio-economic dairy production model, A, Visser, N Lopez-Villalobos, and PCH Morel , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 72, Christchurch, p.139-143, (2012)
2011
The apparent digestibility of palm kernel expeller (PKE) consumed by pasture-fed sheep, JL, Burke, FN Dias, D Pacheco, N Lopez-Villalobos, and CW Holmes , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 71, Invercargill, p.223-228, (2011)
Dairy goat production systems in Waikato, New Zealand, J, Solis-ramirez, N Lopez-Villalobos, and HT Blair , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 71, Invercargill, p.86-91, (2011)
Effect of lactation stage and breed on the concentration of unsaturated fatty acids in milkfat of New Zealand dairy cattle, D, Silva-Villacorta, N Lopez-Villalobos, HT Blair, RE Hickson, RJ Spelman, J Melis, SR Davis, SDK Berry, K Lehnert, and RG Snell , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 71, Invercargill, p.203-207, (2011)
Effect of pre-grazing herbage mass on grazing behaviour, grass dry matter intake and milk production of dairy cows, G, Tuñon, N Lopez-Villalobos, PD Kemp, E Kennedy, D Hennessy, and M O’donovan , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 71, Invercargill, p.28-32, (2011)
Efficiency, cheese yield and carbon emissions of Holstein-Friesian, Jersey and crossbred cows: an overview, NW, Sneddon, N Lopez-Villalobos, and J Baudracco , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 71, Invercargill, p.214-218, (2011)
Genetic analysis of incidence of recorded clinical lameness in New Zealand dairy cattle, AR, Chawala, N Lopez-Villalobos, JK Margerison, and RJ Spelman , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 71, Invercargill, p.126-130, (2011)
2010
Blood metabolic profiles in Uruguayan Holstein and Uruguan Holstein x New Zealand Holstein-Friesian dairy cows, I, Periera, D Laborde, N Lopez-Villalobos, G Ruprechter, M Carriquiry, and A Meikle , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 70, Palmerston North, p.311-315, (2010)
Genetic analysis of incidence of clinical mastitis in New Zealand dairy cattle, K, Jury, N Lopez-Villalobos, RJ Spelman, J Arias, and C Heuer , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 70, Palmerston North, p.246-249, (2010)
Phenotypic relationship between milk protein percentage and reproductive performance in three strains of Holstein Fresain cows in Ireland, L, Yang, N Lopez-Villalobos, DP Berry, and T Parkinson , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 70, Palmerston North, p.29-32, (2010)
Potential benefits of low replacement rate for dairy herd production and profit, N, Lopez-Villalobos, and CW Holmes , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 70, Palmerston North, p.46-50, (2010)
Prediction of herbage dry matter intake for dairy cows grazing ryegrass-based pastures, J, Baudracco, N Lopez-Villalobos, CW Holmes, and KA MacDonald , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 70, Palmerston North, p.80-85, (2010)
Productive and reproductive performance of Uruguayan Holstein and Urugyayan Holstein x New Zealand Holstein Friesian cows in a predominantly pasture-based system, I, Periera, D Laborde, M Carriquiry, N Lopez-Villalobos, and A Meikle , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 70, Palmerston North, p.306-310, (2010)
2009
Breed effects for lactoferrin concentration determined by Fourier transform infrared spectroscopy, N, Lopez-Villalobos, SR Davis, EM Beattie, J Melis, S Berry, SE Holroyd, RJ Spelman, and RG Snell , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 69, Christchurch, p.60-64, (2009)
Factors associated with frequency of lameness in dairy cattle managed in pasture based systems with the addition of supplementary feeds : Brief Communication, CM, Diaz-Lira, JK Margerison, N Lopez-Villalobos, and SJ Gibbs , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 69, Christchurch, p.51-53, (2009)
Genetic parameters for somatic cell score in dairy goats estimated by random regression, CA, Apodaca-Sarabia, N Lopez-Villalobos, HT Blair, and CG Prosser , Proceedings of the New Zealand Society of Animal Production, Jun, Volume 69, Christchurch, p.206-209, (2009)
2008
Effect of genotype and concentrate supplementation on dairy product mix and the value of milk produced by grazing dairy cows during an extended lactation, S-A, Turner, CVC Phyn, ES Kolver, PW Aspin, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 68, Brisbane, Australia, p.79-83, (2008)
Genetics of residual energy intake in Irish grazing dairy cows, N, Lopez-Villalobos, DP Berry, B Horan, F Buckley, J Kennedy, M O'Donovan, L Shalloo, and P Dillon , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 68, Brisbane, Australia, p.88-91, (2008)
2007
Breed and heterosis effects for milk protein composition estimated in two stages of lactation in New Zealand dairy cows, PJ, Back, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 67, Wanaka, p.399-402, (2007)
Choice of the most appropriate models and estimation procedures of lactation curves for grazing dairy cattle, JR, Bryant, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 67, Wanaka, p.209-214, (2007)
Effect of age on methane emissions of red deer stags from weaning until one year of age grazing perennial ryegrass-based pasture : Brief Communication, NM, Swainson, SO Hoskin, H Clark, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 67, Wanaka, p.276-279, (2007)
The effect of Finnish Landrace and Texel ewe and lamb behaviour after tagging on lamb survival to weaning, JM, Everett-Hincks, HT Blair, KJ Stafford, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 67, Wanaka, p.48-54, (2007)
The effect of maternal liveweight gain of 15-month-old beef heifers on foetal weight, RE, Hickson, N Lopez-Villalobos, PR Kenyon, and ST Morris , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 67, Wanaka, p.117-120, (2007)
The effects of ewe size and nutrition during pregnancy on growth and onset of puberty in female progeny, van der DS, Linden, PR Kenyon, CMC Jenkinson, SW Peterson, N Lopez-Villalobos, and HT Blair , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 67, Wanaka, p.126-129, (2007)
Effects of experimentally induced and treated Streptococcus uberis mastitis early in the dry period on production in the subsequent lactation, KR, Petrovski, NB Williamson, C Fernandez, A Grinberg, N Lopez-Villalobos, and TJ Parkinson , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 67, Wanaka, p.303-306, (2007)
2006
Development of a model to predict pasture intake for grazing dairy cows in Argentina, J, Baudracco, N Lopez-Villalobos, CW Holmes, IM Brookes, P Kemp, E Comeron, LA Romero, B Horan, P Dillon, and D Berry , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 66, Napier, p.35-41, (2006)
2005
The effect of genotype on milk composition, milk value and dairy farm profitability, NA, Thomson, S-A Turner, CB Glassey, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.276-282, (2005)
The effect of SF6 release rate, animal species and feeding conditions on estimates of methane emissions from ruminants, JB, Vlaming, H Clark, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.3-8, (2005)
Estimation of lactation persistency in crossbred grazing dairy cattle, N, Lopez-Villalobos, RJ Spelman, BL Harris, G Stanley, and S Harcourt , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.300-305, (2005)
Is goat meat acceptable to Japanese youth? The first goat meat taste survey in Japan, T, Ozawa, N Lopez-Villalobos, and HT Blair , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.256-260, (2005)
Milk production in East Friesian-cross ewes lambing year round, SW, Peterson, PR Kenyon, ST Morris, N Lopez-Villalobos, and PCH Morel , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.173-177, (2005)
The productivity of pasture-based dairy farms in New Zealand with different levels of extra feed input, D, Silva-Villacorta, CW Holmes, NM Shadbolt, N Lopez-Villalobos, W Prewer, CB Glassey, and M Blackwell , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.63-67, (2005)
Relationships between milk yield, milk composition and electrical conductivity in dairy cattle, T, Yoshida, N Lopez-Villalobos, and CW Holmes , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.143-147, (2005)
An update on beef traceability regulations in Japan, T, Ozawa, N Lopez-Villalobos, and HT Blair , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 65, Christchurch, p.80-84, (2005)
2004
Can mating ewes on condensed tannin-containing forages be used to reduce lamb mortality between birth and weaning?, TN, Barry, TJ Parkinson, CA Ramirez-Restrepo, EL McWilliam, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.30-33, (2004)
The effect of ewe and lamb post-parturient behaviour on lamb survival to weaning: A comparative study of Finns and Texels, JM, Everett-Hincks, KJ Stafford, HT Blair, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.223-226, (2004)
The effect of ewe nutrition on maternal behaviour score and litter survival, JM, Everett-Hincks, HT Blair, KJ Stafford, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.188-191, (2004)
The effect on sheep reproduction of grazing willow fodder blocks during drought, DW, Pitta, TN Barry, N Lopez-Villalobos, and PD Kemp , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.67-71, (2004)
Effects of a commercial feed containing conjugated linoleic acid on the production of milk components and the value of milk, PJ, Back, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.150-154, (2004)
Mate selection to control inbreeding and maximise farm profit of commercial dairy cattle, N, Lopez-Villalobos, BL Harris, and JE Pryce , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.122-126, (2004)
A survey of goat meat acceptability in Japan, T, Ozawa, N Lopez-Villalobos, and HT Blair , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.208-211, (2004)
Use of breeding values for live weight to calculate individual live weight targets for dairy heifers, JR, Bryant, CW Holmes, N Lopez-Villalobos, LR McNaughton, IM Brookes, GA Verkerk, and JE Pryce , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 64, Hamilton, p.118-121, (2004)
2003
Beef traceability systems in Japan - how should New Zealand prepare?, T, Ozawa, N Lopez-Villalobos, and HT Blair , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 63, Queenstown, p.49-52, (2003)
Effect of genetic merit on the estimated partitioning of energy towards milk production or liveweight gain by Jersey cows grazing on pasture, JR, Bryant, N Lopez-Villalobos, CW Holmes, GD Pitman, and IM Brookes , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 63, Queenstown, p.69-72, (2003)
Evidence of a genotype by feeding level interaction in grazing Holstein-Friesian dairy cattle at different stocking rates, JR, Bryant, CW Holmes, N Lopez-Villalobos, KA MacDonald, and IM Brookes , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 63, Queenstown, p.73-76, (2003)
Frequency of mastitis and variation in somatic cell counts throughout the lactation in cows managed organically or conventionally; Year 1, N, Lopez-Villalobos, J Scott, Z Smith, CW Holmes, NM Shadbolt, and TG Harvey , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 63, Queenstown, p.138-139, (2003)
2002
Effect of grazing undrenched weaner deer on chicory or perennial ryegrass/white clover pasture on gastrointestinal nemotode and lungworm viability, NM, Schreurs, AL Molan, N Lopez-Villalobos, TN Barry, and WC McNabb , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.143-144, (2002)
Genetic opportunities to improve milk value in New Zealand, N, Lopez-Villalobos, DJ Garrick, and CW Holmes , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.90-94, (2002)
Organic beef in Japan - is there any room for New Zealand?, T, Ozawa, N Lopez-Villalobos, and HT Blair , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.128-132, (2002)
Responses to poplar supplementation in ewes grazing drought pasture during mating, EL, McWilliam, TN Barry, PD Kemp, N Lopez-Villalobos, and PN Cameron , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.174-176, (2002)
Use of Lotus corniculatus to increase sheep production under commercial dryland farming conditions without the use of anthelmintics, CA, Ramirez-Restrepo, TN Barry, N Lopez-Villalobos, PD Kemp, WB Pomroy, WC McNabb, TG Harvey, and NM Shadbolt , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 62, Palmerston North, p.177-178, (2002)
2001
A comparison of dairy farming between New Zealand and Japan, T, Ozawa, N Lopez-Villalobos, and HT Blair , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 61, Christchurch, p.203-206, (2001)
Feed intake capacity in Holstein-Friesian cows which differed genetically for body weight, A, Caicedo-Caldas, V Lemus-Ramirez, CW Holmes, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 61, Christchurch, p.207-209, (2001)
Intake, live weight and feed-conversion efficiency of lactating Holstein-Friesian dairy cows which differ genetically in live weight, MX, Tolosa, A Caicedo-Caldas, CW Holmes, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 61, Christchurch, p.221-223, (2001)
Lactation curves for milk traits, live weight and body condition score for heavy and light Holstein-Friesian cows, N, Lopez-Villalobos, V Lemus-Ramirez, CW Holmes, and DJ Garrick , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 61, Christchurch, p.217-220, (2001)
Milk yield, prolactin and IGF-1 in cows which calve in Autumn; preliminary report, J, Wrigley, C Holmes, and N Lopez-Villalobos , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 61, Christchurch, p.210-212, (2001)
1999
Genetic parameter estimates for lamb survival in Romney sheep, N, Lopez-Villalobos, and DJ Garrick , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 59, p.121-124, (1999)
1997
Across-breed genetic evaluation of New Zealand dairy goats., SR, Singireddy, N Lopez-Villalobos, and DJ Garrick , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 57, p.43-45, (1997)
Effect of crossbreeding strategies on long-term rates of genetic gain in New Zealand dairy cattle., N, Lopez-Villalobos, and DJ Garrick , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 57, p.22-25, (1997)
1996
Profitability of rotational crossbreeding programmes in commercial dairy herds, N, Lopez-Villalobos, and DJ Garrick , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 56, p.216-220, (1996)
1994
Accounting for scale effects in genetic evaluation of dairy cattle., N, Lopez-Villalobos, DJ Garrick, BL Harris, and HT Blair , Proceedings of the New Zealand Society of Animal Production, Jan, Volume 54, p.276-280, (1994)