Variable

Control

Carotenoid supplement

Breeding females, N

100

100

Mated females, N

98

99

Died before whelping, N

1

1

Whelped females, N

81

85

Barren females, N

16

13

Kits lost at 21 days, N

24

20

Kits lost at 42 days, N

40

26

Kits per mated female, N

4.5

4.4

Kits per whelped female, N

5.5

5.3