Open Access
Original contribution

Table III.

Prevalences of nematode species in sheep and goats: necropsies of all gastrointestinal-tract in highly Marshallagia infected sites.

Site
Variance to mean ratio of prevalences
Algeria (Batna) Kazakhstan Turkey (Van) Syria 5 Syria 6
Reference Present study Morgan et al., 2006 Cengiz et al., 2009 Hörchner, 1964

Average yearly rainfalls
and temperature
367 mm
17° C
350 mm
8 °C
385 mm
9 °C
180 mm
15 °C
Type of climate Semi arid
Steppe
Semi arid
Steppe
Semi arid
Steppe
Arid
Steppe/Desert

Nematode species (%)
Marshallagia marshalli 100 93 85 50 90 4.6
Teladorsagia circumcincta 100 20 75 18 34 26.8
Haemonchus contortus 67 30 40 5 3 24.3
Trichostrongylus axei 17 60 33 1 2 26.9
Trichostrongylus vitrinus 92 0 0 14 28 54.6
Trichostrongylus colubriformis 58 55 0 8 10 29.8
Trichostrongylus probolurus 3 10 19 2 6 5.9
Nematodirus helvetianus 100 0 0 0 0 Nematodirus
all species
31.6
Nematodirus filicollis 84 15 0 14 14
Nematodirus spathiger 84 35 65 6 6
Nematodirus oiritianus 0 0 75 0 0

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