Author

O.K. Spaans

Observed names: Olivia K. Spaans, Olivia Spaans, Spaans, Olivia, Spaans, Olivia Katherine

Institution: Livestock Improvement Corporation

Observed institutions: University of Auckland, Livestock Improvement Corporation, DairyNZ, University of Waikato

ORCID: 0000-0002-8622-5301

Observed ORCID: 0000-0002-8622-5301

OpenAlex ID: A5013254528

Temporal profiles describing markers of inflammation and metabolism during the transition period of pasture-based, seasonal-calving dairy cows

2022 · O.K. Spaans, B. Kuhn-Sherlock, et al. · Journal of Dairy Science · 42

Dairy cow breed interacts with stocking rate in temperate pasture-based dairy production systems

2018 · O.K. Spaans, K.A. Macdonald, et al. · Journal of Dairy Science · 19

A systematic review and meta-analysis of cow-level factors affecting milk urea nitrogen and urinary nitrogen output under pasture-based diets

2024 · Mancoba C. Mangwe, Winston A. Mason, et al. · Journal of Dairy Science · 16

A quantitative case study assessment of biophysical and economic effects from altering season of calving in temperate pasture-based dairy systems

2019 · O.K. Spaans, K.A. Macdonald, et al. · Journal of Dairy Science · 13

Short communication: Milk fat payment affects the relative profitability of Jersey and Holstein-Friesian cows at optimal comparative stocking rate

2019 · J.P. Edwards, O.K. Spaans, et al. · Journal of Dairy Science · 9

Methane and carbon dioxide production from dairy bulls selected for divergent enteric methane emissions per unit of feed eaten and that from their daughters

2025 · O.K. Spaans, G.C. Waghorn, et al. · Journal of Dairy Science · 2

Specificity of 2 peripartum blood markers for early-lactation acute uterine inflammation in pasture-fed, seasonal-calving dairy cows

2024 · O.K. Spaans, J.R. Roche, et al. · JDS Communications · 1

162 Specificity of circulating markers for uterine inflammation in pasture-fed, seasonal-calving dairy cows

2023 · O.K. Spaans, J.R. Roche, et al. · Animal - science proceedings · 1

Towards accurate quantification of New Zealand’s methane emissions from waste and agriculture

2026 · Peter Sperlich, Christian Stiegler, et al. · EGU General Assembly Conference Abstracts

Heritability and genetic correlation of methane production measured using GreenFeed and portable accumulation chambers in dairy heifers

2026 · Jessica Douie, Nicolas Lopez-Villalobos, et al. · World Congress on Genetics Applied to Livestock Production (WCGALP)

Feed intake phenotypes of growing dairy heifers that are the progeny of bulls with high or low breeding values.

2026 · Olivia Spaans, Peter van Elzakker, et al. · World Congress on Genetics Applied to Livestock Production (WCGALP)

Behavioral and physiological responses to short-term cold exposure in calves carrying the SLICK1 allele

2026 · G.M. Worth, E.G. Donkersloot, et al. · Journal of Dairy Science

Supplementary Material

2021 · Spaans, Olivia · Harvard Dataverse

Cow breed, stocking rate, and calving date affect the profitability of pasture-based dairy farms

2018 · O.K. Spaans · Research Commons (University of Waikato)

Works count: 16

Citation count: 103

H-index: 5

I10-index: 4