Sue M. Zydenbos

Deer behavioural expression variation in relation to physiological context in a farming environment

Bryan Thompson, David Stevens, Iain James Gordon, Tom Maxwell et autres

Context Behavioural traits in farmed animals influence welfare and productivity. In New Zealand, red deer (Cervus elaphus) has undergone more than 35 years of domestication and selection, potentially altering behavioural expression. Aims This study investigated how physiological contexts, namely, late lactation, mating, …

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Review: A theoretical framework to define foraging behaviour syndromes in ruminants using wearable technologies

Bryan R. Thompson, D.R. Stevens, Iain James Gordon, Thomas M. R. Maxwell et autres

Due to intensification processes that have had negative impacts on environmental externalities, pastoral farmers, worldwide, are facing increasing scrutiny and pressure from consumers, governments, and the public to reduce the environmental footprint of their operations. Developing tools and systems that farmers can …

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A Citizen-Centric Data Lifecycle: Acknowledging Relationships, Roles and Responsibilities of Data Citizens in Digital Innovation in the Agri-Food Sector

Esther D. Meenken, D.R. Stevens, JAMES A. TURNER, Sue M. Zydenbos et autres

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O62 Matching grazing behaviour to landscape – a foraging syndrome framework for livestock

Bryan R. Thompson, D.R. Stevens, Iain James Gordon, Thomas M. R. Maxwell et autres

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A horizon scan for temperate pastoral weed science–a New Zealand perspective

Christopher Evan Buddenhagen, Graeme W. Bourdôt, N.L. Bell, P. D. Champion et autres

ABSTRACT Pastures represent about half of the global agricultural area and productivity losses from weeds are significant. The complex interactions between them and other pasture plants, livestock and the environment imply a need for innovative research that transforms pasture management. To this …

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Size of the prize: the value of closing pasture yield gaps on heterogeneous soil types in a dairy farm in Canterbury, New Zealand

Anna L. Taylor, Mariana Andreucci, Sue M. Zydenbos

Identifying opportunities to further improve pasture production on high producing, irrigated Canterbury dairy farms is complex. An innovation systems approach was used to identify the factors contributing to variation in pasture production on a case study farm such as: soil characteristics, irrigation …

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Climate change impacts on pest ecology and risks to pasture resilience

Sarah A. Mansfield, C.M. Ferguson, P.J. Gerard, David Hodges et autres

It is well understood that damage by insect pests can have serious consequences for pasture resilience. However, the impacts of climate change on pastoral systems, the responses of insect pests, and implications for pest impact mitigation are unclear. This paper reviews pest …

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Ex-ante economic evaluation of agricultural research in New Zealand – a conceptual framework

Wei Yang, Sue M. Zydenbos

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Resilience achieved via multiple compensating subsystems: The immediate impacts of COVID-19 control measures on the agri-food systems of Australia and New Zealand

Val O. Snow, Daniel Rodrı́guez, Robyn A. Dynes, William Kaye‐Blake et autres

Since COVID-19 (SARS-CoV-2) was first identified in the human population, it has had immediate and significant effects on peoples' health and the worldwide economy. In the absence of a vaccine, control of the virus involved limiting its spread through restrictions in the …

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Impact of pasture height and herbage mass on suppression of variegated thistle in North Island East Coast hill country

K.N. Tozer, Rose Greenfield, Renee Grigson, Catherine Ann Cameron et autres

Variegated thistle in East Coast North Island hill country reduces pasture and livestock productivity. To quantify the impact of increasing amounts of pasture cover (herbage mass) on this weed, variegated thistle seeds were hand-sown in autumn into pasture swards that ranged in …

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An innovation systems approach to understanding the impacts of grass grub damage in irrigated Canterbury dairy pastures

Sue M. Zydenbos, Anna L. Taylor, Wei Yang, Maureen O’Callaghan et autres

An innovation systems approach involving agribusiness representatives, researchers and farmers identified that damage caused by grass grub (Costelytra giveni) was a key factor contributing to areas of reduced yield within high-producing pastures. Using a recognised yield mapping technique, areas of ‘Low’ and …

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Farm systems analysis of two thistles of differing seasonal pasture growth impacts in North Island hill country

D.R. Stevens, K.N. Tozer, Tim Rhodes, Sue M. Zydenbos et autres

Models for infestations of Californian thistle (Cirsium arvense) and variegated thistle (Silybum marianum) were used to modify fortnightly pasture growth forecasts using Agricultural Production Systems simulator software using climate and soil data from a single farm (Tangihanga Station) over four aspects and …

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