Welfare Assessment

Includes methods and protocols to monitor or assess animal health, pain, and other emotions.

Rachinas-Lopes, P., Ribeiro, R., dos Santos, M. E. et al. 2018. D-Track—A semi-automatic 3D video-tracking technique to analyse movements and routines of aquatic animals with application to captive dolphins. PLOS ONE 13(8), e0201614.

Scoring and tracking animal movements manually is a time consuming and subjective process, susceptible to errors due to fatigue. Automated and semi-automated video-based tracking methods have been developed to overcome the errors and biases of...

Rifkin, R. E., Grzeskowiak, R. M., Mulon, P-Y. et al. 2019. Use of a pressure-sensing walkway system for biometric assessment of gait characteristics in goats. PLOS ONE 14(10), e0223771.

The purpose of this study was to quantitatively assess gait characteristics and weight-bearing forces during ambulation in goats free of lameness using a pressure-sensing walkway as a biometric tool for stride, gait, and force analysis...

Klune, C. B., Larkin, A. E., Leung, V. S. Y. et al. 2019. Comparing the Rat Grimace Scale and a composite behaviour score in rats. PLOS ONE 14(5), e0209467.

There is a growing interest in the use of voluntarily displayed ongoing behaviours in laboratory animals to assess the pain experience. In rats, two behavioural pain scales, the Rat Grimace Scale (RGS, a facial expression...

Redaelli, V., Papa, S., Marsella, G. et al. 2019. A refinement approach in a mouse model of rehabilitation research. Analgesia strategy, reduction approach and infrared thermography in spinal cord injury. PLOS ONE 14(10), e0224337.

The principles of Refinement, Replacement and Reduction (3R’s) should be taken into account when animals must be used for scientific purpose. Here, a Reduction / Refinement approach was applied to the procedure of spinal cord...

Vázquez Diosdado, J. A., Barker, Z. E., Hodges, H. R. et al. 2018. Space-use patterns highlight behavioural differences linked to lameness, parity, and days in milk in barn-housed dairy cows. PLOS ONE 13(12), e0208424.

Lameness is a key health and welfare issue affecting commercial herds of dairy cattle, with potentially significant economic impacts due to the expense of treatment and lost milk production. Existing lameness detection methods can be...

Galán, E., Llonch, P., Villagrá, A. et al. 2018. A systematic review of non-productivity-related animal-based indicators of heat stress resilience in dairy cattle. PLOS ONE 13(11), e0206520.

Projected temperature rise in the upcoming years due to climate change has increased interest in studying the effects of heat stress in dairy cows. Environmental indices are commonly used for detecting heat stress, but have...

Häger, C., Keubler, L. M., Talbot, S. R. et al. 2018. Running in the wheel: Defining individual severity levels in mice. PLOS Biology 16(10), e2006159.

The fine-scale grading of the severity experienced by animals used in research constitutes a key element of the 3Rs (replace, reduce, and refine) principles and a legal requirement in the European Union Directive 2010/63/EU. Particularly...

Sénèque, E., Lesimple, C., Morisset, S. et al. 2019. Could posture reflect welfare state? A study using geometric morphometrics in riding school horses. PLOS ONE 14(2), e0211852.

Despite the fact that animal posture is known to reflect emotional state, the presence of chronic postures associated with poor welfare has not been investigated with an objective tool for measuring, quantifying and comparing postures...

Arena, L., Wemelsfelder, F., Messori, S. et al. 2019. Development of a fixed list of terms for the Qualitative Behavioural Assessment of shelter dogs. PLOS ONE 14(10), e0212652.

The shelter environment may have a severe impact on the dogs’ quality of life, and there is thus a need to develop valid tools to assess their welfare. These tools should be sensitive not only...

Bracke, M. B. M., Koene, P., Estevez, I. et al. 2019. Broiler welfare trade-off: A semi-quantitative welfare assessment for optimised welfare improvement based on an expert survey. PLOS ONE 14(10), e0222955.

In order to support decision making on how to most effectively improve broiler welfare an innovative expert survey was conducted based on principles derived from semantic modelling. Twenty-seven experts, mainly broiler welfare scientists (n =...

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