|
Offspring survival (mean + SD)
|
|
Number of litters examined
|
12
|
9
|
9
|
|
No. offspring/ litter at birth
|
8.6 + 0.9
|
9.3 + 0.7
|
11.3 + 0.6
|
|
No. of survived offspring/litter on day 21 after birth, (%)
|
8.6 + 0.9 (100%)
|
9.3 ± 0.7 (100%)
|
11.3 ± 0.6 (100%)
|
|
Offspring behavioral development on day 21 after birth (mean + SD)
|
|
Number of line crossing
|
45.3 + 1.3
|
43.8 + 3.3
|
47.9 + 2.5
|
|
Head dipping
|
12.1 + 0.7
|
11.8 + 1.3
|
12.3 + 0,8
|
|
Grooming
|
0.9 + 0.3
|
0.9 + 0.1
|
0.8 + 0.2
|
|
Defecation
|
1.4 + 0.3
|
2.5 + 0.5
|
2.8 + 0.4
|
|
Rearing
|
0
|
0.03 + 0.01
|
0.02 + 0.01
|
