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Table 1 Results of the Faecal egg count reduction tests on individual Irish flocks

From: Anthelmintic-resistant nematodes in Irish commercial sheep flocks- the state of play

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

  1. † WW = Co. Wicklow, Mn = Co.Monaghan, KK = Kilkenny, KY = Co.Kerry.
  2. ‡ number of lambs included in the final analysis.
  3. *FECpre = Faecal egg count pre-treatment.
  4. ^Percentage reduction in faecal egg count observed post-treatment.
  5. § R = significant resistance (P < 0.05), SR = suspected resistance, S = susceptible to anthelmintic.
  6. ** results for BZ FECRT not included in statistical analysis as FECpre was ≤250 e.p.g.