Figure 4. Aporrectodea caliginosa caliginosa cocoon production (mean number of cocoons ind-1 28 days-1) (A) in details during the first 1000 days (i. e., 33 months), and (B) over the 2920 days (i. e., 75 months) of monitoring, at 15°C, fed with "normal" food or ad libitum (1 or 3 g ind-1 14 day-1 of horse dung, respectively), and pooled by 2, 3 or 6 throughout the experiment. Vertical bars are standard deviations.