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Table 4 Fertility rate (%) according to feeding regimen (ad libitum or feed restriction) during the growth period (R_GP) and the reproduction period (R_RP) in mouse lines with high and low environmental variability of BW

From: Effect of feed restriction on the environmental variability of birth weight in divergently selected lines of mice

Period

Generation

Feeding regimen

High line

Low line

First birth

p

Second birth

p

First birth

p

Second birth

p

R_GP

12(75%)

Ad libitum

70

**

10

ns

90

ns

45

ns

Restriction

35

10

65

30

13(90%)

Ad libitum

80

ns

25

ns

95

ns

45

ns

Restriction

55

10

95

30

14(85%)

Ad libitum

65

ns

0

ns

85

ns

20

ns

Restriction

80

10

80

25

R_RP

12(75%)

Ad libitum

80

***

20

*

90

ns

70

***

Restriction

25

0

65

5

13(90%)

Ad libitum

60

ns

30

*

100

ns

75

***

Restriction

75

5

90

0

14(85%)

Ad libitum

65

ns

10

ns

80

ns

35

ns

Restriction

80

0

85

10

  1. ns not significant
  2. *p < 0.05; **p < 0.01; ***p < 0.001