年份

公鸡阳性率

母鸡阳性率

总体阳性率

2009

17.50% (21/120)

8.72% (85/975)

9.68% (106/1095)

2010

4.58% (27/589)

6.19% (258/4166)

5.99% (285/4755)

2011

34.78% (152/437)

5.11% (322/6297)

7.04% (474/6734)

2012

6.98% (101/1446)

0.66% (30/4517)

2.20% (131/5963)

2013

13.15% (53/403)

1.29% (43/3344)

2.56% (96/3747)

2014

16.85% (152/902)

2.86% (183/6405)

4.58% (335/7307)

2015

0.43% (28/6458)

1.19% (228/19169)

1.00% (256/25627)

2016

0.66% (10/1512)

1.67% (210/12577)

1.56% (220/14089)

合计

4.58% (544/11867)

2.37% (1359/57450)

2.75% (1903/69317)