Table 3.

Annual reproductive performance of the N2 generation

	No. of
Pair no.	Litters	Pups born	Pups weaned	Survival rate after weaning (%)
1	3	30	26	86.67
2	4	39	35	89.74
3	3	32	28	87.50
4	2	19	15	78.95
5	3	35	28	80.00
6	2	30	23	76.67
7	3	26	25	96.15
8	4	56	48	85.71
9	4	46	41	89.13
10	3	39	31	79.49
11	1	5	5	100.00
12	3	37	30	81.08
13	4	39	34	87.18
14	2	31	16	51.61
15	4	42	40	95.24
16	3	31	28	90.32
17	4	42	32	76.19
18	2	13	10	76.92
19	3	30	25	83.33
20	4	56	40	71.43
21	3	29	25	86.21
22	4	42	39	92.86
23	2	22	17	77.27
24	4	49	47	95.92
25	3	34	29	85.29
26	2	21	20	95.24
27	4	39	34	87.18
28	3	35	30	85.71
29	2	28	16	57.14