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. 2024 May 5;25:100547. doi: 10.1016/j.ijpddr.2024.100547

Table 1.

Comparison of interpretation of the faecal egg count reduction results according to the WAAVP guideline 1992 (only eggCounts statistics) and 2023 (eggCounts vs bayescount statistics).





Interpretation of FECRT results

Farm Parasites Drug Na eggCounts/original guideline eggCounts/revised guideline Bayescount/revised guideline MDRb
1 Strongyles MOX 23 Normal Low resistant Susceptible n.a.
2 Strongyles FBZ 16 Reduced Resistant Resistant Yes
Strongyles IVM 17 Reduced Resistant Resistant
Strongyles MOX 19 Reduced Resistant Resistant
Strongyles MON 20 Normal Susceptible Susceptible
3 Strongyles FBZ 15 Reduced Resistant Resistant Yes
Strongyles IVM 16 Suspected Resistant Resistant
Strongyles MOX 15 Suspected Resistant Resistant
4 Strongyles FBZ 20 Reduced Resistant Resistant Yes
Strongyles IVM 20 Reduced Resistant Resistant
Strongyles MOX 20 Suspected Resistant Resistant
Nematodirus FBZ 20 Normal Susceptible Susceptible
Nematodirus IVM 20 Reduced Resistant Resistant
Nematodirus MOX 20 Normal Susceptible Susceptible
5 Strongyles FBZ 38 Reduced Resistant Resistant Yes
Strongyles IVM 40 Reduced Resistant Resistant
Strongyles MOX 39 Suspected Resistant Resistant
6 Strongyles FBZ 20 Normal Susceptible Susceptible No
Strongyles IVM 20 Normal Resistant Resistant
Strongyles MOX 10 Normal Susceptible Susceptible
7 Strongyles FBZ 22 Reduced Resistant Resistant Yes
Strongyles IVM 19 Reduced Resistant Resistant
Strongyles MOX 20 Reduced Low resistant Low resistant
8 Strongyles MOX 17 Normal Resistant Resistant n.a.
9 Strongyles FBZ 22 Reduced Resistant Resistant Yes
Strongyles IVM 19 Reduced Resistant Resistant
Strongyles MOX 24 Suspected Susceptible Inconclusive
10 Strongyles FBZ 20 Suspected Resistant Resistant Yes
Strongyles IVM 23 Reduced Resistant Resistant
Strongyles MOX 23 Normal Low resistant Susceptible
11 Strongyles MOX 30 Normal Susceptible Susceptible n.a.
12 Strongyles MOX 26 Normal Susceptible Susceptible n.a.
Cohen's κ eggCounts vs. bayescount 0.774 (substantial)
Cohen's κ Guidelines 1992 vs. 2023 0.444 (moderate)

FBZ, fenbendazole; IVM, ivermectin; MOX, moxidectin; MON, monepantel; MDR, multi-drug resistance.

a

Number of animals in each treatment group.

b

Multi-drug-resistance, defined as resistance to two or more drugs from at least two different drug classes.