taux de mortalité mensuels de Mastomys erythroleucus
âge des rongeurs (mois) 1976 1977 1978 1979 moyenne
1 73.8 48.2 44.9 50.0 54.2
2 73.8 48.2 44.9 50.0 54.2
3 9.4 17.2 17.1 74.9 29.7
4 9.4 17.2 17.1 19.0 15.7
5 9.4 17.2 2.2 27.4 14.1
6 9.4 70.6 2.2 28.0 27.6
7 9.4 70.6 1.9 51.3 33.3
8 20.3 19.7 1.9 26.4 17.1
9 19.8 20.5 1.9 26.4 17.2
10 19.8 20.5 1.9 26.4 17.2
11 16.4 20.5 14.9 26.4 19.6
12 16.4 20.5 64.5 5.5 26.7
13 16.4 20.5 82.9 5.5 31.3
14 16.4 33.3 82.9 67.1 49.9
15 48.0 100.0 100.0 78.6 81.7
16 48.0     8.7 28.4
17 48.0     8.7 28.4
18 48.0     100.0 74.0
19 48.0       48.0
20 100.0       100.0