While staying in an animal shelter, cats may suffer from chronic stress which impairs their health and welfare. Providing opportunities to hide can significantly reduce behavioral stress in cats, but confirmation with physical parameters is needed.
Therefore, the aim of this study was to determine the effect of a hiding box on behavioral stress levels (scored by means of the Cat-Stress-Score) and a physical parameter, namely body weight, during the first 12 days in quarantine for cats newly arrived cats at a Dutch animal shelter.
23 cats 1–10 years of age were randomly divided between the experimental group (n = 12) and control group (n = 11) with and without a hiding box. Stress levels were assessed on days 1, 2, 3, 5, 7, 9 and 12 according to the non-invasive Cat-Stress-Score (CSS). Body weights were measured on days 0, 7 and 12. Finally, adoption rates and length of stay (LOS) were determined.
Major findings of the study are: (1) the mean Cat-Stress-Score decreased with time for all cats, but cats with a hiding box showed a statistically-significant faster decrease in the CSS, reaching a lower CSS-steady state 7 days earlier than the control group; (2) nearly all cats in both groups lost statistically-significant body weight during the first two weeks; (3) hiding boxes did not statistically-significantly influence weight loss; (4) no differences were found in the adoption rates and the LOS between both groups.
Hiding enrichment reduces behavioral stress in shelter cats during quarantine situations and can therefore be a relatively simple aid to shelter adaptation. However, it offers no prevention against feline weight loss, which indicates a serious health risk for shelter cats.
Figure 1.: Course of the Cat-Stress-Score in time of individual cats from the control group and the experimental group. Line segments connect measurements within the same cat to show the change of CSS in course of time.
Dotted lines: individual cats without hiding boxes (control group). Solid lines: individual cats with hiding box (experimental group).
Figure 2: The proportional change (%) in body weight in individual cats from the control group and the experimental group. Line segments connect measurements within the same cat to show the change of body weight in course of time. Dotted lines: individual cats without hiding boxes (control group). Solid lines: individual cats with hiding box (experimental group).