index,group,animal_id,sex,age,weight
1,T,185_3,m,11,5
2,C,185_6,m,11,4.7
3,T,185_8,f,11,4.2
4,T,185_4,f,12,4.8
5,T,185_9,f,12,5.3
6,T,2245_7,f,11,5.7
7,T,2245_4,f,11,5.7
8,C,2245_5,f,11,6.1
9,T,2245_1,m,12,6.5
10,T,2245_2,f,12,6.1
11,T,2245_6,f,12,6.6
12,C,31041_1,f,12,7.4
13,C,31041_2,m,12,6.7
14,C,31041_3,m,12,6.8
15,C,185_1,m,11,4.4
16,C,185_1,m,11,4.4