Mouse

Gergye, C. H., Zhao, Y., Moore, R. et al. 2020. A comparison of ketamine or etomidate combined with xylazine for intraperitoneal anesthesia in four mouse strains. JAALAS 59(5), 519-530.

Intraperitoneal (IP) injection is a common route of anesthetic administration in mice. Ketamine-xylazine (KX) anesthesia is one of the most widely used IP protocols, but has limitations. Etomidate is an alternative to ketamine that has...

Pallas, B. D., Keys, D. M., Bradley, M. P. et al. 2020. Compressed paper as an alternative to corn cob bedding in mouse (Mus musculus) cages. JAALAS 59(5), 496-502.

Bedding material is a critical component of the mouse environment and affects animal wellbeing and research integrity. Corn cob (CC) bedding has been a common bedding choice in research despite several potential negative aspects of...

Do, J. P., Defensor, E. B., Ichim, C. V. et al. 2020. Automated and continuous monitoring of animal welfare through digital alerting. Comparative Medicine 70(4), 313-327.

A primary goal in preclinical animal research is respectful and responsible care aimed toward minimizing stress and discomfort while enhancing collection of accurate and reproducible scientific data. Researchers use hands-on clinical observations and measurements as...

Felgenhauer, J. L., Brune, J. E., Long, M. E. et al. 2020. Evaluation of nutritional gel supplementation in C57BL/6J mice infected with mouse-adapted Influenza A/PR/8/34 virus. Comparative Medicine 70(6), 471-486.

Mice are a common animal model for the study of influenza virus A (IAV). IAV infection causes weight loss due to anorexia and dehydration, which can result in early removal of mice from a study...

Elmi, A., Galligioni, V., Govoni, N. et al. 2020. Quantification of hair corticosterone, DHEA and testosterone as a potential tool for welfare assessment in male laboratory mice. Animals 10(12), 2408.

Steroids, providing information regarding several biological patterns including stress and sexual behavior, have been investigated in different matrices in laboratory mice. Data regarding hair quantification, indicative of longer timespans when compared to blood and saliva...

Abela, C. 2020. Alternative training method using a mouse simulator in intravenous lateral tail vein procedures. Animal Technology and Welfare 19(3), 249-250.

The purpose of this study was to reduce or replace mouse cadavers for use in procedural training. All participants had mixed experience in various technical procedures such as oral gavage, intraperitoneal injections, etc., but none...

Hamilton, E. 2020. Improving animal welfare at Newcastle University by introducing the low stress handling of mice. Animal Technology and Welfare 19(3), 185-194.

The primary focus of this project was to introduce the low stress handling of mice to Newcastle University and resulting in all researchers and technicians using this method. It aimed to bring a team together...

Meikle, M. N., Arévalo, A. P., Schlapp, G. et al. 2020. Long-term effect of environmental enrichment on reproductive performance of Swiss Webster mice and their female offspring. Animals 10(8), 1438.

The aim of this study was to evaluate the effect of an environmental enrichment (EE) plan on the reproductive performance of Swiss Webster mice and their female offspring used as recipients for embryo transfer. A...

Hohlbaum, K., Corte, G. M., Humpenöder, M. et al. 2020. Reliability of the mouse grimace scale in C57BL/6JRj mice. Animals 10(9), 1648.

To maintain and foster the welfare of laboratory mice, tools that reliably measure the current state of the animals are applied in clinical assessment. One of these is the Mouse Grimace Scale (MGS), a coding...

Grífols, R., Zamora, C., Ortega-Saez, I. et al. 2020. Postweaning grouping as a strategy to reduce singly housed male mice. Animals 10(11), 2135.

Rearing laboratory mice in groups is important since social isolation after weaning induces brain alterations, which entails behavioral abnormalities in adulthood. Age is an important factor when grouping males of different litters due to inter-male...

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