Treatment	litter	littersize	numsurv
0	1	13	13
0	2	12	12
0	3	9	9
0	4	9	9
0	5	8	8
0	6	8	8
0	7	13	12
0	8	12	11
0	9	10	9
0	10	10	9
0	11	9	8
0	12	13	11
0	13	5	4
0	14	7	5
0	15	10	7
0	16	10	7
1	17	12	12
1	18	11	11
1	19	10	10
1	20	9	9
1	21	11	10
1	22	10	9
1	23	10	9
1	24	9	8
1	25	9	8
1	26	5	4
1	27	9	7
1	28	7	4
1	29	10	5
1	30	6	3
1	31	10	3
1	32	7	0