Table 2 Numbers of Galba truncatula harbouring Fasciola hepatica according to season and snail size

2007

Summer

0/1

3/9

2^b 1^c

1/6

1^b

2/3

2^c

6/19

3^b 3^c

Autumn

0/3

0/3

2008

Winter

1/13

1^a

0/33

1/67

1^a

0/75

3/41

1^b 2^c

0/5

5/234

2^a 1^b 2^c

Spring

2/11

2^c

3/39

1^a 2^b

1/23

1^b

2/12

2^c

1/24

1^c

0/12

9/121

1^a 3^b 5^c

Summer

0/8

7/53

6^a 1^b

5/23

4^a 1^b

0/3

12/87

10^a 2^b

Autumn

1/11

1^c

3/66

1^b 2^c

4/52

3^b 1^c

0/2

8/131

4^b 4^c

2009

Winter

0/43

2/105

1^b 1^c

2/123

1^a 1^c

2/75

1^b 1^c

2/23

1^a 1^c

0/7

8/379

2^a 2^b 4^c

Spring

0/21

0/70

1/58

1^c

1/14

1^b

0/4

2/167

1^b 1^c

Total

4/111

1^a3^c

18/378

7^a 7^b 4^c

15/352

6^a 6^b 3^c

7/184

2^b 5^c

6/92

1^a 1^b 4^c

0/24

50/1141

15^a16^b 19^c