Laboratory

Balasubramaniam, K. N., Beisner, B. A., McCowan, B. et al. 2021. Female social structure influences, and is influenced by, male introduction and integration success among captive rhesus macaques (Macaca mulatta). Behaviour 158(11), 1007–1042.

Animal social structure is influenced by multiple socioecological factors. Of these, the links between changes to group demography through the arrival of new individuals and residents' social structure remain unclear. Across seven groups of captive...

Powell, C., von Keyserlingk, M. A. G., Franks, B. 2021. Tank cleaning temporarily increases stress and decreases affiliative behavior in zebrafish. Applied Animal Behaviour Science 242, 105414.

Small, tropical fish are popular companion animals and constitute a major proportion of the vertebrates used in scientific research, but little is known about how they are affected by routine husbandry practices. Manual tank cleanings...

Minie, V. A., Petric, R., Ramos-Maciel, S. et al. 2021. Enriched laboratory housing increases sensitivity to social stress in female California mice (Peromyscus californicus). Applied Animal Behaviour Science 241, 105381.

Domesticated mice and rats have shown to be powerful model systems for biomedical research, but there are cases in which the biology of species is a poor match for the hypotheses under study. The California...

Xie, W., Palme, R., Schafmayer, C. et al. 2021. Distress analysis of mice with cervical arteriovenous fistulas. Animals 11(11), 3051.

The welfare of laboratory animals is a consistent concern for researchers. Its evaluation not only fosters ethical responsibility and addresses legal requirements, but also provides a solid basis for a high quality of research. Recently...

Prior, H., Blunt, H., Crossman, L. et al. 2021. Refining procedures within regulatory toxicology studies: Improving animal welfare and data. Animals 11(11), 3057.

During the development of potential new medicines or agrochemicals, an assessment of the safety profile to humans and environmental species is conducted using a range of different in silico and in vitro techniques in conjunction...

Seeley, K. E., Proudfoot, K. L., Wolfe, B. et al. 2021. Assessing allostatic load in ring-tailed lemurs (Lemur catta). Animals 11(11), 3074.

Responses to stress are unavoidable, adaptive mechanisms in humans and non-human animals. However, in humans, chronic stress has been linked to poor health outcomes and early mortality. Allostatic load, the physiologic dysregulation that occurs when...

Kjellberg, L., Yngvesson, J., Sassner, H. et al. 2021. Horses’ use of lying halls and time budget in relation to available lying area. Animals 11(11), 3214.

Sleep is crucial to horses’ wellbeing, and their lying time can vary according to such factors as climate, exercise, bedding, and housing. This study aimed to analyze behavior and time spent in lying halls of...

Mota-Rojas, D., Marcet-Rius, M., Ogi, A. et al. 2021. Current advances in assessment of dog’s emotions, facial expressions, and their use for clinical recognition of pain. Animals 11(11), 3334.

Animals’ facial expressions are involuntary responses that serve to communicate the emotions that individuals feel. Due to their close co-existence with humans, broad attention has been given to identifying these expressions in certain species, especially...

Desforges, E. 2021. Challenges and solutions surrounding environmental enrichment for dogs and cats in a scientific environment. Animals 11(10), 2980.

Dogs and cats housed in research-, kennel- and cattery-type settings are reliant on caregivers to optimise their day-to-day experiences and welfare. The goal is to provide enriching environments for physical, social and environmental control; behavioural...

Mieske, P., Diederich, K., Lewejohann, L. 2021. Roaming in a land of milk and honey: Life trajectories and metabolic rate of female inbred mice living in a semi naturalistic environment. Animals 11(10), 3002.

Despite tremendous efforts at standardization, the results of scientific studies can vary greatly, especially when considering animal research. It is important to emphasize that consistent different personality-like traits emerge and accumulate over time in laboratory...

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