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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)
Implications of using an extended lactation to change from a spring-calving to an autumncalving farm system in South Taranaki, JWM, Jarman, JK Kay, M Neal, DJ Donaghy, and P Tozer , New Zealand Journal of Animal Science and Production, 09/2020, Volume 80, Online, p.143-149, (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)
Technical note: A comparison of editing criteria for lying-behaviour data derived from three-dimensional accelerometer devices on grazing dairy cows, SJ, Hendriks, CVC Phyn, S-A Turner, KR Mueller, B Kuhn-Sherlock, DJ Donaghy, JM Huzzey, and JR Roche , New Zealand Journal of Animal Science and Production, 09/2020, Volume 80, Online, p.8-13, (2020)
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)
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
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)
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: 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)
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)
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)