Mouse

The effect of cage enrichment on fluctuating asymmetry and fecal corticosterone of group-housed laboratory mice

Fluctuating asymmetry (FA) represents small, random deviations from symmetry in bilaterally symmetrical anatomic characteristics, is highly correlated with the amount of stress during development, and thus, is considered as a potential welfare indicator. In the present study, female BALB/c mice...

Year Published: 2011Topics: Environmental EnrichmentAnimal Type: Mouse, Rodent

Citation: Niu, Y., Zhang, M., Liu, J. 2011. The effect of cage enrichment on fluctuating asymmetry and fecal corticosterone of group-housed laboratory mice. American Association for Laboratory Animal Science [AALAS] Meeting Official Program, 740 (Abstract #PS91).

Effects of environmental enrichment on the production of C57BL/6 mice kept in different housing systems

The goal of this study was to evaluate the effects of environmental enrichment on the performance of C57BL/6 mice kept in conventional animal facilities (open cage; OC) and individually ventilated caging system (IVC). We analyzed the interactions between treatments (enrichment...

Year Published: 2011Topics: Environmental Enrichment, Housing, Rearing & Weaning, ReproductionAnimal Type: Mouse, Rodent

Citation: Neves, S. 2011. Effects of environmental enrichment on the production of C57BL/6 mice kept in different housing systems. American Association for Laboratory Animal Science [AALAS] Meeting Official Program, 788 (Abstract #P201).

Simply a nest? Effects of different enrichments on stereotypic and anxiety-related behaviour in mice

Improving the home cages of laboratory mice by environmental enrichment has been widely used to reduce cage stereotypies and anxiety-related behaviour in behavioural tests. However, enrichment studies differ substantially in type, complexity and variation of enrichments. Therefore, it is unclear...

Year Published: 2011Topics: Abnormal/Problematic Behavior, Environmental Enrichment, HousingAnimal Type: Mouse, Rodent

Citation: Nam-Mi Gross, A., Engela, A. K. J., Würbel, H. 2011. Simply a nest? Effects of different enrichments on stereotypic and anxiety-related behaviour in mice. Applied Animal Behaviour Science 134(3-4), 239-245 .

The beneficial effects of enrichment on diabetic mice

In the last issue of The Enrichment Record, Emily Patterson-Kane and I reported on the work (Cao, Liu et al.) in which investigators demonstrated that even short-term exposure to environmental enrichment (EE) improved resistance to cancer in a number of...

Year Published: 2011Topics: Disease/Experimental Model, Environmental EnrichmentAnimal Type: Mouse, Rodent

Citation: Lett, G. S. 2011. The beneficial effects of enrichment on diabetic mice. Enrichment Record 6, 5.

Report of the 2010 RSPCA/UFAW rodent welfare group meeting – The effect of husbandry on welfare and promoting good practice

The RSPCA/UFAW Rodent Welfare Group holds a one-day meeting every autumn so that its members can discuss current welfare research, exchange views on rodent welfare issues and share experiences of the implementation of the 3Rs of replacement, reduction and refinement...

Year Published: 2011Topics: Drug/Substance Administration, Handling, Husbandry & Management, Welfare AssessmentAnimal Type: Mouse, Rabbit, Rat, Rodent

Citation: Hawkins, P., Burn, C., Hurst, J. et al. 2011. Report of the 2010 RSPCA/UFAW rodent welfare group meeting - The effect of husbandry on welfare and promoting good practice. Animal Technology and Welfare 10(2), 105-114.

Environmental enrichment improves fertility and pup survival

Historically, we have added approximately half a cup of shredded aspen bedding for nest making into each littering cage. This procedure was continued as we looked into additional environmental enrichment. There are many types of environmental enrichment available on the...

Year Published: 2011Topics: Environmental Enrichment, ReproductionAnimal Type: Mouse, Rodent

Citation: Griess, R. S. 2011. Environmental enrichment improves fertility and pup survival. Tech Talk [The Newsletter for Laboratory Animal Science Technicians] 16(1), 2-3.

Cage-change interval preference in mice

Before animal research facilities began using individually ventilated cage (IVC) systems formice, cages were often changed one or more times per week. When using IVC systems, however, it is standard practice to change cages only once every 2-3 weeks. When...

Year Published: 2011Topics: Husbandry & ManagementAnimal Type: Mouse, Rodent

Citation: Godbey, T., Gray, G., Jeffery, D. 2011. Cage-change interval preference in mice. Lab Animal 40(7), 225-230.

The naked truth: Breeding performance in outbred and inbred strains of nude mice with and without nesting material

In laboratories, mice are housed at ambient temperatures between 20 to 24 °C, which is below their lower critical temperature of 30 °C, but comfortable for human workers. Thus, mice are thermally stressed, which can compromise many aspects of physiology...

Year Published: 2011Topics: Environmental Enrichment, Housing, ReproductionAnimal Type: Mouse, Rodent

Citation: Gaskill, B., Winnicker, C. L., Garner, J. P. et al. 2011. The naked truth: Breeding performance in outbred and inbred strains of nude mice with and without nesting material. American Association for Laboratory Animal Science [AALAS] Meeting Official Program, 741 (Abstract #PS95).

Energy reallocation to breeding performance through improved behavioral thermoregulation

Mice are housed at temperatures which increase their basal metabolic rates and impose high energy demands to maintain core temperatures. Thus, energy may be reallocated from other biologic processes to increase heat production. We hypothesized that nesting material will allow...

Year Published: 2011Topics: Environmental Enrichment, Housing, ReproductionAnimal Type: Mouse, Rodent

Citation: Gaskill, B., Garner, J. P., Pritchett-Corning, K. 2011. Energy reallocation to breeding performance through improved behavioral thermoregulation. American Association for Laboratory Animal Science [AALAS] Meeting Official Program, 771 (Abstract #P120).

Cage change influences serum corticosterone and anxiety-like behaviors in the mouse

Environmental variables and husbandry practices can influence physiology and alter behavior in mice. Our study evaluated the effects of cage change on serum corticosterone levels and anxiety-like behaviors in C57BL/6 male mice. We examined the effects of 3 different methods...

Year Published: 2011Topics: Handling, Husbandry & ManagementAnimal Type: Mouse, Rodent

Citation: Rasmussen, S., Miller, M., Filipski, S. B. et al. 2011. Cage change influences serum corticosterone and anxiety-like behaviors in the mouse. JAALAS 50(4), 479-483.