Table 3.
Genera/species of gastrointestinal parasitic nematodes and prevalence recorded in cattle and small ruminants in countries with different climate conditions.
| Host | Nematode/Prevalence | Place | Climatic Features | Author |
|---|---|---|---|---|
| Cattle |
Haemonchus spp., Oesophagostomum spp., Trichostrongylus spp., Overall prevalence = 42.33% |
Bisofu, Oromia, Ethiopia | warm semi-arid | [83] |
|
Haemonchus spp., Ostertagia spp. Overall prevalence = 23.34% |
Mosul city, Irak | warm semi-arid | [84] | |
| Strongylidae order = 16.5% Strongyloides 3.8% |
Colombian Northeastern Mountain, Colombia | Tropical rainforest | [85] | |
| Ostertagia ostertagi = 41.42% | Germany | Temperate | [86] | |
|
Strongyloides spp. = 16.36% Trichuris spp. = 22.73% |
Kalasin province, Thailand | Tropical savanna | [87] | |
| Sheep | Chabertia ovina, Trichuris ovis, Trichostrongylus spp., H. contortus and Oesophagostomum spp. Overall prevalence = 36.82% | Assam, India | Tropics | [88] |
| Strongylidae order = 31.9%; Strongyloides spp. = 3.1% and Trichuris spp. = 2.06% | Colombian Northeastern Mountain, Colombia | Tropical rainforest | [85] | |
| Goats | Trichostrongylus spp., Haemonchus spp. Overall = 88.9% | Coahuila and Nuevo León, (Northeastern Mexico) | Semi-arid | [89] |
| H. contortus = 97.4% | Maseru, Leshoto, Africa | Mild, warm and temperate | [90] | |
| H. contortus = 47.1% | Bangladesh | Tropics | [91] | |
|
T. colubriformis, H. contortus, Teladorsagia spp., Oesophagostomum spp., Trichuris spp., Nematodirus spathiger and Cooperia curticei (The whole gastrointestinal tracts of goats at necropsy resulted positive to parasitic nematodes) |
Northwest Arkansas, Fayetteville, USA |
Warm and temperate | [92] |