Herd
|
Cows excreting lungworm larvae/total cows (%)
|
BTM ELISA ODR value
|
Occurrence of coughing and larvae excretion in autumn 2015
|
---|
No.
|
Size
|
Summer 2015
|
Autumn 2015
| |
Farmer observation
|
Our observation
|
---|
Occurrence of coughing
|
Occurrence of coughing
|
No. of coughing cows/total cows (%)
|
No. of coughing cows positive for larvae excretion
|
---|
1
|
82
|
0/59 (0)
|
0/74 (0)
|
0.125
|
–
|
+
|
1/74 (1.4)
|
0
|
2
|
65
|
0/55 (0)
|
0/54 (0)
|
0.120
|
–
|
+
|
2/54 (3.7)
|
0
|
3
|
215
|
7/164 (4.3)
|
23/195 (11.8)
|
0.342
|
+
|
+
|
25/195 (12.8)
|
3
|
4
|
90
|
0/70 (0)
|
0/80 (0)
|
0.230
|
–
|
+
|
7/80 (8.8)
|
0
|
5
|
105
|
0/74 (0)
|
0/58 (0)
|
0.118
|
–
|
+
|
1/58 (1.7)
|
0
|
6
|
70
|
1/68 (1.5)
|
8/53 (15.1)
|
0.236
|
–
|
+
|
1/53 (1.9)
|
0
|
7
|
80
|
0/54 (0)
|
0/54 (0)
|
0.139
|
–
|
–
|
0/54 (0)
|
0
|
8
|
57
|
0/54 (0)
|
0/54 (0)
|
0.165
|
–
|
–
|
0/54 (0)
|
0
|
9
|
70
|
nd
|
4/50 (8.0)
|
0.196
|
+
|
+
|
4/50 (8.0)
|
0
|
10
|
16
|
0/15 (0)
|
0/15 (0)
|
0.113
|
–
|
–
|
0/15 (0)
|
0
|
11
|
79
|
1/75 (1.3)
|
0/72 (0)
|
0.127
|
–
|
+
|
5/72 (6.9)
|
0
|
12
|
71
|
0/60 (0)
|
0/67 (0)
|
0.132
|
–
|
+
|
6/67 (9.0)
|
0
|
13
|
32
|
0/26 (0)
|
0/31 (0)
|
0.146
|
–
|
–
|
0/31 (0)
|
0
|
14
|
31
|
0/30 (0)
|
0/27 (0)
|
0.216
|
+
|
–
|
0/27 (0)
|
0
|
15
|
48
|
0/44 (0)
|
0/44 (0)
|
0.148
|
–
|
+
|
2/44 (4.6)
|
0
|
16
|
77
|
0/76 (0)
|
0/68 (0)
|
0.148
|
–
|
+
|
6/68 (8.8)
|
0
|
17
|
40
|
0/36 (0)
|
0/32 (0)
|
0.152
|
+
|
+
|
1/32 (3.1)
|
0
|
Total
|
72.2a
|
9/960 (0.9)
|
35/1028 (3.4)
|
0.168a
|
4 CS+ / 13 CS-
|
12 CS+ / 5 CS-
|
61/1028 (5.9)
|
3/61 (4.9)
|
- Abbreviations: CS+ coughing positive, CS- coughing negative, nd not determined
- aMean, bbased on our observation; Farms with a positive coproscopy were marked in bold