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Contribution to the study of anthelmintic resistance of sheep gastro-intestinal strongyles on a sheep farm in the Guelma region, north-east Algeria Cover

Contribution to the study of anthelmintic resistance of sheep gastro-intestinal strongyles on a sheep farm in the Guelma region, north-east Algeria

Open Access
|Sep 2025

Figures & Tables

Table 1.

The Faecal egg count reduction and the number of eggs per gram of faeces (before and after treatment).

Group*Group 1Group 2Group3
EPG1Average ± SD803.3 ± 329.8450 ± 275.2353.3 ± 246.7
Range (Mini – Max)150 – 1600150 – 1050150 – 1150
EPG2Average ± SD96.7 ± 66.750.0 ± 50.086.7 ± 71.2
Range (Mini – Max)0 – 2500 – 1500 – 250
FECR1(%) SAverage ± SD100 ± 0100 ± 0100 ± 0
Range (Mini – Max)100 – 100100 – 100100 – 100
Number of cases252
FECR2 (%) RAverage ± SD85.7 ± 7.181.9 ± 9.169.5 ± 19.0
Range (Mini – Max)70.6 – 94.166.7 – 94.116.7 – 91.3
Number of cases131013

1* 15 ewes in each group, EPG1: Number of Egg Per Gram of Faeces before anthelminthic treatment, EPG2: Number of Egg Per Gram of faeces after anthelmintic treatment, FECR1: Faecal Egg Count Reduction ⩾95%, FECR2: Average Faecal Egg Count Reduction < 95%, R: Resistant, S: Sensible, SD: Standard deviation

Table 2.

Resistance and sensitivity observed in the three tested groups.

Group*Sensitivity Number of cases (%)Resistance Number of cases (%)
Group 1 (AL-Bendazol 2.5%)2 (13.33%)13 (86.67%)
Group 2 (Valbazen)5 (33.33%)10 (66,67%)
Group 3 (Oxfenil 2.265%)2 (13.33%)13 (86.67%)
p-value
(1 vs 2)0.3440.8740.591
(1 vs 3)0.4540.4390.551
(2 vs 3)0.0690.5070.283
DOI: https://doi.org/10.2478/helm-2025-0014 | Journal eISSN: 1336-9083 | Journal ISSN: 0440-6605
Language: English
Page range: 156 - 160
Submitted on: Apr 27, 2025
Accepted on: Jun 6, 2025
Published on: Sep 30, 2025
Published by: Slovak Academy of Sciences, Institute of Parasitology
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open

© 2025 S. Djemai, N. Zeghilet, L. Boultif, O. Ayadi, Z.R. Djafar, published by Slovak Academy of Sciences, Institute of Parasitology
This work is licensed under the Creative Commons Attribution 4.0 License.