Mouse

Davis, H. J., Barabas, A. J., Gaskill, B. N. 2022. Titrating the preferences of altered lighting against temperature in female CD-1 laboratory mice, Mus musculus. Applied Animal Behaviour Science 246, 105541.

Aspects of the laboratory are aversive to mice, such as being housed under bright lights and at temperatures below their thermal comfort, causing stress and poor welfare. While murine thermal preferences are well understood, light...

Reynolds, P. S. 2022. Introducing non-aversive mouse handling with ‘squnnels’ in a mouse breeding facility. Animal Technology and Welfare 21(1), 42-45.

Based on queries received during our 2021 LASA 3Rs’ presentation, we describe operational highlights and concerns that came up during the rollout of nonaversive handling as standard of care at our mouse breeding facility. We...

Ratuski, A. S., Weary, D. M. 2022. Environmental enrichment for rats and mice housed in laboratories: A metareview. Animals 12(4), 414.

Environmental enrichment has been widely studied in rodents, but there is no consensus on what enrichment should look like or what it should achieve. Inconsistent use of the term “enrichment” creates challenges in drawing conclusions...

Blenkuš, U., Gerós, A. F., Carpinteiro, C. et al. 2022. Non-invasive assessment of mild stress-induced hyperthermia by infrared thermography in laboratory mice. Animals 12(2), 177.

Stress-induced hyperthermia (SIH) is a physiological response to acute stressors in mammals, shown as an increase in core body temperature, with redirection of blood flow from the periphery to vital organs. Typical temperature assessment methods...

Miller, A. L., Roughan, J. V. 2021. Welfare assessment, end-point refinement and the effects of non-aversive handling in C57BL/6 mice with Lewis lung cancer. Animals 12(1), 23.

Cancer-bearing mice are at risk of developing anxiety, pain, or malaise. These conditions may not only harm welfare but could also undermine data quality and translational validity in studies to develop therapeutic interventions. We aimed...

Furumoto, K., Ogita, K., Kamisaka, T. et al. 2021. Effects of multimodal analgesic protocol, with buprenorphine and meloxicam, on mice well-being: A dose finding study. Animals 11(12), 3420.

The anesthetic or analgesic agent of choice, route and frequency of anesthetic or analgesic administration, and stressors induce distress during the perioperative period. We evaluated a multimodal analgesic protocol using buprenorphine and meloxicam on the...

Spangenberg, E., Wallenbeck, A., Eklöf, A.-C. et al. 2014. Housing breeding mice in three different IVC systems: Maternal performance and pup development. Laboratory Animals 48(3), 193–206.

A proper cage environment is essential for the welfare of laboratory mice, especially for females during the energy demanding lactation period and for pups during early development and growth. The most common housing system for...

Ratuski, A. S., Makowska, I. J., Dvorack, K. R. et al. 2021. Using approach latency and anticipatory behaviour to assess whether voluntary playpen access is rewarding to laboratory mice. Scientific Reports 11(1), 18683.

Laboratory mice are typically housed in “shoebox" cages that limit the expression of natural behaviours. Temporary access to more complex environments (playpens) may improve their welfare. We aimed to assess if access to playpens is...

Sandgren, R., Grims, C., Waters, J. et al. 2021. Using cage ladders as a handling device reduces aversion and anxiety in laboratory mice, similar to tunnel handling. Scandinavian Journal of Laboratory Animal Science 47(5), 31-41.

Handling laboratory animals for husbandry and other procedures can be an important source of anxiety and stress, compromising animal welfare as well as the reliability of research that is sensitive to background stressors. Studies have...

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