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Beth Penrose

Associate Professor at Charles Darwin University

Charles Darwin University
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Beth Penrose is an Associate Professor at Charles Darwin University in Australia. Her research focuses on the influence of environmental factors on crop nutritional content and agricultural practices, with recent articles exploring mineral composition in salmon, iodine concentrations in wheat, and the growth performance of various livestock feeds. Additionally, she investigates the ecological impacts of contaminants on marine ecosystems and develops strategies for enhanced crop yield and nutritional quality.

Positions (1)

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Beth Penrose

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Charles Darwin University

Charles Darwin University is offering a project-based PhD opportunity focused on the welfare and behavioural implications of virtual fencing in northern beef cow-calf systems. The project is hosted by the Research Institute for Northern Agriculture and involves collaboration with CSIRO and Gallagher Animal Management. The research aims to investigate the efficacy and welfare impacts of virtual fencing, particularly in systems where cows are fenced but calves are not, due to rapid growth. Key research questions include the effectiveness of virtual fencing, changes in mothering behaviour, and potential welfare concerns. The project is highly relevant to grazing management and the protection of ecologically sensitive areas in northern Australia. Benefits for the successful candidate include a generous $47,000 AUD per year stipend for four years, professional development training, industry engagement, and relocation support. Applicants must hold an Honours or Masters degree in a relevant field and be Australian or New Zealand citizens or Australian permanent residents. The supervisory team includes Beth Penrose (Charles Darwin University), Sunil Kadri, Caroline Lee, Dana Campbell, and Mark Dempsey, with expertise spanning animal welfare, behaviour, and agricultural systems. Interested candidates should review the project details via the provided links and contact the supervisors for further information. The program offers a unique opportunity to contribute to sustainable livestock management and ecological protection in northern Australia.

Articles (16)

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2025

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2024

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2024

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2024

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2024

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2023

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2023

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2023

Zinc (Zn) deficiency is a common limiting factor in agricultural soils, which leads to significant reduction in both the yield and nutritional quality of agricultural produce. Exploring the quantitative trait loci (QTL) for shoot and grain Zn accumulation would help to develop new barley cultivars with greater Zn accumulation efficiency. In this study, two glasshouse experiments were conducted by growing plants under adequate and low Zn supply. From the preliminary screening of ten barley cultivars, Sahara (0.05 mg/pot) and Yerong (0.06 mg/pot) showed the lowest change in shoot Zn accumulation, while Franklin (0.16 mg/pot) had the highest change due to changes in Zn supply for plant growth. Therefore, the double haploid (DH) population derived from Yerong × Franklin was selected to identify QTL for shoot mineral accumulation and biomass production. A major QTL hotspot was detected on chromosome 2H between 31.91 and 73.12 cM encoding genes for regulating shoot mineral accumulations of Zn, Fe, Ca, K and P, and the biomass. Further investigation demonstrated 16 potential candidate genes for mineral accumulation, in addition to a single candidate gene for shoot biomass in the identified QTL region. This study provides a useful resource for enhancing nutritional quality and yield potential in future barley breeding programs.

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2023

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2023

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2022

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2022

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2022

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2020

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2020

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2020

Collaborators (9)

Katherine Kent

University of Wollongong

AUSTRALIA
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Ping Yun

University of Western Australia

AUSTRALIA
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Meixue Zhou

University of Tasmania

AUSTRALIA
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Amy MacIntosh

Macquarie University

AUSTRALIA
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Anthony Chariton

Macquarie University

AUSTRALIA
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Katherine Dafforn

Macquarie University

AUSTRALIA
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Matthew Wilson

Senior Lecturer

University of Adelaide

AUSTRALIA
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Stephanie Godrich

Senior Lecturer

Edith Cowan University

AUSTRALIA
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Phillip Nichols

University of Western Australia

AUSTRALIA
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