Table 1.
Results of the Faecal egg count reduction tests on individual Irish flocks
| Year | Location† | Flock ID |
Benzimidazole |
Levamisole |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Lambs‡(n) | FECpre* | %^ | AR status§ | Lambs (n) | FECpre | % | AR Status | |||
| 2002 |
WW |
01 |
12 |
6502 |
88.3 |
R |
12 |
5114 |
99.1 |
S |
| |
WW |
04 |
15 |
3250 |
72.8 |
R |
10 |
1684 |
94.6 |
SR |
| |
WW |
05 |
16 |
1376 |
72.2 |
R |
11 |
762 |
92.7 |
R |
| |
WW |
06 |
16 |
1598 |
56.0 |
R |
10 |
441 |
100.0 |
S |
| |
WW |
07 |
12 |
3898 |
76.4 |
R |
12 |
2411 |
98.8 |
S |
| |
WW |
08 |
14 |
1376 |
62.3 |
R |
12 |
537 |
98.2 |
S |
| |
MN |
02 |
12 |
1571 |
94.1 |
SR |
12 |
1630 |
89.6 |
R |
| |
MN |
04 |
10 |
1508 |
34.1 |
R |
10 |
1205 |
91.5 |
R |
| |
MN |
06 |
13 |
1302 |
94.6 |
S |
13 |
1344 |
97.2 |
S |
| 2006 |
KK |
01 |
11 |
336 |
23.7 |
R |
10 |
585 |
99.1 |
S |
| |
KK |
02 |
14 |
377 |
24.7 |
R |
14 |
365 |
98.1 |
S |
| |
KK |
03 |
13 |
1254 |
42.2 |
R |
13 |
1092 |
89.0 |
R |
| |
KK |
04 |
10 |
1800 |
32.7 |
R |
10 |
1790 |
81.0 |
R |
| |
KK |
05 |
12 |
745 |
56.8 |
R |
12 |
933 |
97.1 |
S |
| |
KK |
06 |
11 |
523 |
32.6 |
R |
11 |
536 |
83.7 |
R |
| |
KK |
07 |
14 |
1015 |
73.6 |
R |
14 |
1154 |
96.3 |
SR |
| 2010 |
KY |
01 |
12 |
290 |
61.0 |
R |
20 |
328 |
97.0 |
S |
| WW** | 02 | 12 | 150 | 9.1 | - | 7 | 314 | 85.2 | R | |
† WW = Co. Wicklow, Mn = Co.Monaghan, KK = Kilkenny, KY = Co.Kerry.
‡ number of lambs included in the final analysis.
*FECpre = Faecal egg count pre-treatment.
^Percentage reduction in faecal egg count observed post-treatment.
§ R = significant resistance (P < 0.05), SR = suspected resistance, S = susceptible to anthelmintic.
** results for BZ FECRT not included in statistical analysis as FECpre was ≤250 e.p.g.