Housing

Jirkof, P., Bratcher, N., Medina, L. et al. 2020. The effect of group size, age and handling frequency on inter-male aggression in CD 1 mice. Scientific Reports 10(1), 2253.

Aggression in male mice often leads to injury and death, making social housing difficult. We tested whether (1) small group size, (2) early age of allocation to a group decreases aggression and 3) manipulation increases...

Lewejohann, L., Schwabe, K., Häger, C. et al. 2020. Impulse for animal welfare outside the experiment. Laboratory Animals 54(2), 150–158.

Animal welfare is a growing societal concern and the well-being of animals used for experimental purposes is under particular scrutiny. The vast majority of laboratory animals are mice living in small cages that do not...

Mertens, S., Gass, P., Palme, R. et al. 2020. Effect of a partial cage dividing enrichment on aggression-associated parameters in group-housed male C57BL/6NCrl mice. Applied Animal Behaviour Science 224, 104939.

Group-housing is highly important for social animals. Group-housing of male mice in captivity though often leads to aggression with partially disastrous consequences for the animals as well as for the quality of experimental data. In...

Morgunowicz, A., Cavanagh, C., Nikitochkina, S. et al. 2019. Increased incidence of spontaneous seizures in laboratory mice in an IVC environment. Animal Technology and Welfare 18(3), 159-166.

Over the past decade, there has been an enormous shift away from the use of open top rodent cages to the use of individually ventilated cages (IVCs). This has brought with it many benefits, including...

Leonard, S., Xin, H., Brown-Brandl, T. et al. 2020. Effects of farrowing stall layout and number of heat lamps on sow and piglet production performance. Animals 10(2), 348.

Most farrowing facilities in the United States use stalls and heat lamps to improve sow and piglet productivity. This study investigated these factors by comparing production outcomes for three different farrowing stall layouts (traditional, expanded...

Zhang, X., Li, C., Hao, Y. et al. 2020. Effects of different farrowing environments on the behavior of sows and piglets. Animals 10(2), 320.

We investigated the effect of different farrowing systems on the behavior of sows and piglets. In total, 22 hybrid sows (Yorkshire × Landrace) were randomly assigned into three farrowing systems, farrowing crate (FC), free farrowing...

Oczak, M., Maschat, K., Baumgartner, J. 2020. Dynamics of sows’ activity housed in farrowing pens with possibility of temporary crating might indicate the time when sows should be confined in a crate before the onset of farrowing. Animals 10(1), 6.

One way to reduce the negative impact of farrowing crates on sow welfare is to limit confinement of sows from the onset of farrowing until the end of the critical period of piglets’ life a...

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