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Caroline Lee
Commonwealth Scientific and Industrial Research Organisation
86Publications
21H-index
1,335Citations
Publications 83
Newest
#1Jessica E. Monk (UNE: University of New England (Australia))
#2Sue Belson (CSIRO: Commonwealth Scientific and Industrial Research Organisation)H-Index: 3
Last.Caroline Lee (CSIRO: Commonwealth Scientific and Industrial Research Organisation)H-Index: 21
view all 3 authors...
The emotional impact of exposure to stressors has not been well quantified in animals. We hypothesised that exogenous induction of stress in sheep would induce a pessimistic judgement bias and increased attention towards a threatening stimulus, suggestive of a negative emotional state. Stress was induced pharmacologically by administering synthetic adrenocorticotropic hormone. Judgement bias was assessed using a spatial go/no-go task after exposure to acute stress (one injection), chronic stress...
Source
#1Danila Marini (UNE: University of New England (Australia))
#2Fran Cowley (UNE: University of New England (Australia))
Last.Caroline Lee (UNE: University of New England (Australia))H-Index: 21
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Abstract In previous studies, livestock have been effectively trained to virtual fencing systems by learning an association between an audio cue and an electrical stimulus (collectively, ‘the virtual fence’), however, there was a large variation shown in ability to learn. The aim of this study was to determine the influence of temperament on learning this association, and also to determine the importance of the audio warning cue in learning and behavioural responses to the virtual fence. Forty-s...
Source
#1Dana L.M. Campbell (UNE: University of New England (Australia))H-Index: 9
#2Peta S. Taylor (UNE: University of New England (Australia))
Last.Caroline Lee (UNE: University of New England (Australia))H-Index: 21
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Source
#1Jessica E. Monk (UNE: University of New England (Australia))H-Index: 2
#2Caroline Lee (CSIRO: Commonwealth Scientific and Industrial Research Organisation)H-Index: 21
Last.Dana L.M. Campbell (CSIRO: Commonwealth Scientific and Industrial Research Organisation)H-Index: 9
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1 CitationsSource
#1Else Verbeek (CSIRO: Commonwealth Scientific and Industrial Research Organisation)H-Index: 9
#2Ian G. Colditz (CSIRO: Commonwealth Scientific and Industrial Research Organisation)H-Index: 29
Last.Caroline Lee (CSIRO: Commonwealth Scientific and Industrial Research Organisation)H-Index: 21
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Introduction Environmental challenges are part of everyday life for most domestic animals. However, very little is known about how animals cope emotionally and physiologically with cumulative challenges. This experiment aimed to determine the impact of long-term exposure to environmental challenges on the affective state and hypothalamic-pituitary-adrenal (HPA) axis responses to a subsequent additional acute shearing challenge. Methods Sheep were exposed to either a long-term environmental chall...
4 CitationsSource
#1Dana L.M. Campbell (UNE: University of New England (Australia))H-Index: 9
#2E.N. de Haas (WUR: Wageningen University and Research Centre)H-Index: 3
Last.Caroline Lee (UNE: University of New England (Australia))H-Index: 21
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Globally, laying hen production systems are a focus of concern for animal welfare. Recently, the impacts of rearing environments have attracted attention, particularly with the trend toward more complex production systems including aviaries, furnished cages, barn, and free-range. Enriching the rearing environments with physical, sensory, and stimulatory additions can optimize the bird's development but commercial-scale research is limited. In this review, “enrichment” is defined as anything addi...
3 CitationsSource
#1Isabelle Ruhnke (UNE: University of New England (Australia))H-Index: 8
#2Camille Normant (UNE: University of New England (Australia))H-Index: 2
Last.Julie Roberts (UNE: University of New England (Australia))H-Index: 4
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Abstract Semi-intensive free-range farm systems are common in Australia, and these systems frequently practise on-range feeding. The objective of this study was to investigate the benefit of on-range choice feeding on flock performance, egg quality, and range use of free-range laying hens using black soldier fly larvae ( Hermetia illucens , BSF). A total of 160 mature ISA brown laying hens, previously determined to range daily, were allocated to a control group (control) or a treatment group (BS...
4 CitationsSource
#1Jessica E. Monk (UNE: University of New England (Australia))H-Index: 2
#2Sue Belson (CSIRO: Commonwealth Scientific and Industrial Research Organisation)H-Index: 3
Last.Caroline Lee (CSIRO: Commonwealth Scientific and Industrial Research Organisation)H-Index: 21
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Negative affective states such as anxiety and depression pose a risk to animal welfare, however practical tests for assessing these states in animals are limited. In humans, anxious individuals are shown to pay more attention towards threatening information than non-anxious individuals, known as an attention bias. Previously, an attention bias test was developed and validated as a measure of anxious states in sheep, where more anxious sheep showed increased attention towards a threat (dog) and w...
6 CitationsSource
#1Caroline Lee (UNE: University of New England (Australia))H-Index: 21
#2Ian G. Colditz (McMaster-Carr)H-Index: 29
Last.Dana L. M. Campbell (UNE: University of New England (Australia))H-Index: 1
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To be ethically acceptable, new husbandry technologies and livestock management systems must maintain or improve animal welfare. To achieve this goal, the design and implementation of new technologies need to harness and complement the learning abilities of animals. Here, from literature on the cognitive activation theory of stress (CATS) we develop a framework to assess welfare outcomes in terms of the animal’s affective state and its learned ability to predict and control engagement with the e...
4 CitationsSource
#1Alison Holdhus Small (McMaster-Carr)H-Index: 2
#2Danila Marini (McMaster-Carr)H-Index: 4
Last.Caroline Lee (McMaster-Carr)H-Index: 21
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Abstract This study was a field-based behavioural assessment of the pain responses to surgical mulesing modulated by a buccal formulation of meloxicam (Buccalgesic) and a topical local anaesthetic wound dressing (Tri-Solfen). 20 lambs were randomly allocated to each of: 1) Placebo and sham handled (Sham); 2) Placebo and mulesing (Mules); 3) Buccalgesic and mulesing (Mules+B); 4) Tri-Solfen and mulesing (Mules+T); 5) Placebo, Tri-Solfen and mulesing (Mules+T+P); 6) Buccalgesic, Tri-Solfen and mul...
3 CitationsSource
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