Fig. 16

Time to first response of 5 domestic cats to single cat-attracting compounds. The time to first response was determined for every cat, for every day that a single compound (1–10) was tested (n=24). When a cat did not respond to a compound on a test day, the time the stimulus was available that day was used as time to first response. Since the compounds were available for different durations, typically 5 and 12 h, the time to first response was expressed as a percentage of the time the compound was available, with 0% being an immediate response and 100% no response at all that day. For each compound (10 per cat), the median percentage is shown. The second test day of neonepetalactone was not included because the recording stopped about 40 min after the start of the experiment. The differences in time to first response between the 5 cats was statistically significant (P < 0.05, Friedman test). In addition, the differences in time to first response between actinidine and other compounds for cat A, as well as the difference between the lactones and actinidine for cat V were statistically significant (Kruskal-Wallis test). P values shown in the figure are from Dunn’s post hoc test. * P < 0.05; ** P < 0.01