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Table 3 Results of Faecal Egg Count Reduction (FECR) test evaluating the efficacy of fenbendazole paste (7.5 mg/kg) on 11 stud farms in Sweden

From: Deep amplicon sequencing of preselected isolates of Parascaris equorum in β-tubulin codons associated with benzimidazole resistance in other nematodes

Geographical location

Group mean EPG*day 0

Group mean EPG day 14

Max EPG day 0

FECR**

Boden

3070

0

7450

100%

Borlänge

140

0

450

100%

Heby

1580

0

3250

100%

Bro

55

0

200

100%

Ekerö

950

0

2500

100%

Tystberga

100

0

550

100%

Västervik

275

0

500

100%

Västervik

950

0

1250

100%

Landskrona

250

0

550

100%

Svenljunga

1070

0

2200

100%

Sjöbo

970

0

1150

100%

  1. Most foals had a previous history of two treatments of FBZ and IVM prior to collection of Parascaris equorum eggs.
  2. *EPG, eggs per gram faeces, **FECR = (1-(EPGd14/EPGd0)) × 100%.