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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, Volume 77, Rotorua, p.173-176, (2017) , (Full PDF)
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, Volume 77, Rotorua, p.91-92, (2017) , (Full PDF)
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, Volume 77, Rotorua, p.61-63, (2017) , (Full PDF)
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, Volume 77, Rotorua, p.164-168, (2017) , (Full PDF)
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, Volume 77, Rotorua, p.169-172, (2017) , (Full PDF)
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, Volume 77, Rotorua, p.211-215, (2017) , (Full PDF)
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, Volume 77, Rotorua, p.200-204, (2017) , (Full PDF)
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, Volume 77, Rotorua, p.129-132, (2017) , (Full PDF)
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, Volume 77, Rotorua, p.64-68, (2017) , (Full PDF)
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, Volume 77, Rotorua, p.3-7, (2017) , (Full PDF)
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, Volume 77, Rotorua, p.121-124, (2017) , (Full PDF)
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, Volume 77, Rotorua, p.72-76, (2017) , (Full PDF)
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, Volume 75, Dunedin, p.260-262, (2015) , (Full PDF)
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, Volume 75, Dunedin, p.54-59, (2015) , (Full PDF)
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, Volume 75, Dunedin, p.60-63, (2015) , (Full PDF)
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, Volume 75, Dunedin, p.48-53, (2015) , (Full PDF)
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, Volume 75, Dunedin, p.34-38, (2015) , (Full PDF)
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, Volume 75, Dunedin, p.159-163, (2015) , (Full PDF)
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, Volume 73, Hamilton, p.17-20, (2013) , (Full PDF)
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, Volume 73, Hamilton, p.41-44, (2013) , (Full PDF)
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, Volume 73, Hamilton, p.11-16, (2013) , (Full PDF)
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, Volume 73, Hamilton, p.183-185, (2013) , (Full PDF)
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, Volume 73, Hamilton, p.33-36, (2013) , (Full PDF)
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, Volume 73, Hamilton, p.108-113, (2013) , (Full PDF)
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, Volume 72, Christchurch, p.166-168, (2012) , (Full PDF)
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, Volume 72, Christchurch, p.51-57, (2012) , (Full PDF)
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 and Rogers CW , Proceedings of the New Zealand Society of Animal Production, Volume 72, Christchurch, p.3-7, (2012) , (Full PDF)
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, Volume 72, Christchurch, p.76-80, (2012) , (Full PDF)
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, Volume 72, Christchurch, p.175-180, (2012) , (Full PDF)
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, Volume 72, Christchurch, p.139-143, (2012) , (Full PDF)
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, Volume 71, Invercargill, p.223-228, (2011) , (Full PDF)
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, Volume 71, Invercargill, p.86-91, (2011) , (Full PDF)
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, Volume 71, Invercargill, p.203-207, (2011) , (Full PDF)
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, Volume 71, Invercargill, p.28-32, (2011) , (Full PDF)
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, Volume 71, Invercargill, p.214-218, (2011) , (Full PDF)
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, Volume 71, Invercargill, p.126-130, (2011) , (Full PDF)
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, Volume 70, Palmerston North, p.311-315, (2010) , (Full PDF)
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, Volume 70, Palmerston North, p.246-249, (2010) , (Full PDF)
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, Volume 70, Palmerston North, p.29-32, (2010) , (Full PDF)
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, Volume 70, Palmerston North, p.46-50, (2010) , (Full PDF)
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, Volume 70, Palmerston North, p.80-85, (2010) , (Full PDF)
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, Volume 70, Palmerston North, p.306-310, (2010) , (Full PDF)
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, Volume 67, Wanaka, p.399-402, (2007) , (Full PDF)
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, Volume 67, Wanaka, p.209-214, (2007) , (Full PDF)
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, Volume 67, Wanaka, p.276-279, (2007) , (Full PDF)
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, Volume 67, Wanaka, p.48-54, (2007) , (Full PDF)
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, Volume 67, Wanaka, p.117-120, (2007) , (Full PDF)
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, Volume 67, Wanaka, p.126-129, (2007) , (Full PDF)
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, Volume 67, Wanaka, p.303-306, (2007) , (Full PDF)
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, Volume 65, Christchurch, p.276-282, (2005) , (Full PDF)
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, Volume 65, Christchurch, p.3-8, (2005) , (Full PDF)
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, Volume 65, Christchurch, p.300-305, (2005) , (Full PDF)
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, Volume 65, Christchurch, p.256-260, (2005) , (Full PDF)
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, Volume 65, Christchurch, p.173-177, (2005) , (Full PDF)
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, Volume 65, Christchurch, p.63-67, (2005) , (Full PDF)
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, Volume 65, Christchurch, p.143-147, (2005) , (Full PDF)
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, Volume 65, Christchurch, p.80-84, (2005) , (Full PDF)
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, Volume 64, Hamilton, p.30-33, (2004) , (Full PDF)
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, Volume 64, Hamilton, p.223-226, (2004) , (Full PDF)
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, Volume 64, Hamilton, p.188-191, (2004) , (Full PDF)
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, Volume 64, Hamilton, p.67-71, (2004) , (Full PDF)
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, Volume 64, Hamilton, p.150-154, (2004) , (Full PDF)
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, Volume 64, Hamilton, p.122-126, (2004) , (Full PDF)
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, Volume 64, Hamilton, p.208-211, (2004) , (Full PDF)
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, Volume 64, Hamilton, p.118-121, (2004) , (Full PDF)
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, Volume 62, Palmerston North, p.143-144, (2002) , (Full PDF)
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, Volume 62, Palmerston North, p.90-94, (2002) , (Full PDF)
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, Volume 62, Palmerston North, p.128-132, (2002) , (Full PDF)
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, Volume 62, Palmerston North, p.174-176, (2002) , (Full PDF)
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, Volume 62, Palmerston North, p.177-178, (2002) , (Full PDF)
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, Volume 61, Christchurch, p.203-206, (2001) , (Full PDF)
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, Volume 61, Christchurch, p.207-209, (2001) , (Full PDF)
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, Volume 61, Christchurch, p.221-223, (2001) , (Full PDF)
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, Volume 61, Christchurch, p.217-220, (2001) , (Full PDF)
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, Volume 61, Christchurch, p.210-212, (2001) , (Full PDF)
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, Volume 59, p.121-124, (1999) , (Full PDF)
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, Volume 57, p.43-45, (1997) , (Full PDF)
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, Volume 57, p.22-25, (1997) , (Full PDF)
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, Volume 56, p.216-220, (1996) , (Full PDF)
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, Volume 54, p.276-280, (1994) , (Full PDF)