Table 3.
Statistical analysis of effect of the seasonal effect on the prevalence of infestation of non-strongyle gastrointestinal parasites from the 45 necropsied horses at necropsy in different seasons from Riyadh region, Saudi Arabia.
| Non-strongyle species | No of infected horses per season |
Statistical analysis |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| S | A | W | Sp | Log M | SE | GM | F | Sig | |
| Parascaris equorum⁎ | 1 | 0 | 10 | 2 | 1.740 | 0.2231 | 55 | 4.34 | 0.007 |
| Strongyloides westeri | 4 | 7 | 11 | 7 | 2.346 | 0.2435 | 222 | 1.838 | 0.26 |
| Oxyuris equi | 0 | 1 | 1 | 2 | 1.322 | 0.1651 | 21 | 2.708 | 0.231 |
| Trichostrongylus axei | 0 | 1 | 1 | 3 | 1.342 | 0.1401 | 22 | 0.919 | 0.46 |
| Habronema muscae | 4 | 2 | 1 | 3 | 1.546 | 0.1761 | 35.2 | 1.483 | 0.23 |
| Habronema megastoma | 1 | 0 | 1 | 0 | 1.145 | 0.1722 | 14 | 0.871 | 0.43 |
| Setaria equina | 0 | 1 | 1 | 0 | 1.046 | 0.1021 | 11.2 | 0.318 | 0.812 |
| Gastrophilus intestinalis | 14 | 9 | 6 | 10 | 2.730 | 0.2663 | 537.5 | 3.431 | 0.63 |
| ∗Gasterophilus nasalis | 2 | 1 | 12 | 2 | 1.476 | 0.1123 | 30 | 6.33 | 0.01 |
S = summer, A = autumn, W = winter, Sp = spring, Log M = logmetric mean, SE = standard error, GM = geometric mean, F = F-test, Sig = significance.
The mean difference is significant at the 0.05 level.
⁎
Significant value.