Mating number

1

2

3

4

Abortion rate

Cycle

Proportion of sows that are pregnant

1

89.68

81.57

75.0

100

2.44

2

92.01

84.37

80.0

100

1.66

3

91.72

90.47

75.0

100

2.06

4

93.92

84.90

87.5

100

1.72

5

91.80

86.66

100

100

1.77

6

92.34

89.13

80.0

100

2.16

7

94.05

93.10

100

100

2.46

8

91.12

96.96

100

100

2.97