年份

样本胎数

产仔数//头/窝

20 d活仔数//头/窝

初生重kg

20 d窝重kg

2016

119

11.21 ± 2.16 B

10.67 ± 2.06 B

1.39 ± 2.06 a

49.43 ± 13.86 a

2017

135

12.31 ± 2.25 B

11.73 ± 2.08 B

1.41 ± 3.09 a

50.73 ± 15.16 a

2018

144

12.56 ± 2.24 B

11.87 ± 2.09 B

1.40 ± 2.12 a

51.33 ± 17.21 a

2019

152

12.69 ± 2.14 B

11.92 ± 2.11 B

1.42 ± 2.10 a

51.49 ± 17.30 a