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Table 2 Characteristics of the studies included in the final database to estimate at least one of the key life history traits of Haemonchus contortus

From: Meta-analysis of the parasitic phase traits of Haemonchus contortus infection in sheep

Reference Country No. of experiments No. of animals Breed Age (months) Immune past Duration of infection (days) Infection dose No. of experiments
E μ F f
[32] Australia 6 22 Merino   Naïve: 20,000 L3 7–21–24–84 5000–10,000 5 1   
[33] Australia 5 21 Merino 5 Naïve-Natural 7–21–24 5000–20,000 5    
[34] Australia 5 22 Merino 2.5–6.5 Natural: 5000 L3–6000 L3 9–12–30–58 5000–6000–10,000 4 1   
[35] Australia 4 15 Merino   Naïve 21 10,000 4    
[36] Australia 2 12 Merino 8.5–36 Naïve: 20,000 L3 21 10,000 2    
[37] Australia 2 10 Merino 9.25–14 Naïve 24–28 5000–10,000 2    
[38] Australia 2 9 Merino   Naïve-Natural 21–26 5000–10,000 2    
[39] Iraq 2 10 Awassi-Merino 5.5 Natural 39 10,600–13,300   2   
[40] Brazil 1 6 Santa Ines 3 Natural 40 4000   1   
[41] Mexico 1 4 Suffolk × Dorset 6.5 Naïve 42 10,000   1   
[42] Brazil 2 20 Corriedale-Crioula Lanada 3 Naïve 84 3560–4900   2   
[43] UK 1 5 Blueface Leicester × Scottish blackface 4.5 Naïve 35 5000   1   
[44] Brazil 1 7 Suffolk 3 Natural 28 4000 1    1
[45] Scotland 1 3 Scottish Blackface (3/4) 8 Natural 27 5000 1    
[46] France 4 20 Barbados Black Belly-Romane 12 20,000 L3 60 10,000   4   
[47] USA 23 69 Dorset 6.5 Naïve: 30,000 28–49–70 30,000 7 16 23  
[48] Mexico 1 6 Colombian breed 7 Naïve 51 5000   1   
[49] USA 1 9 Dorset 8 10,000 L3 35 10,000   1   
[50] Mexico 1 5 Pelibuey × Dorper 3 Naïve 41 3000   1 1 1
[51] Australia 4 22 Merino (genetically resistant) Merino 5.5 Naïve: 20,000 28–42 20,000 2 2   
[52] Australia 1 3 Merino 12 Natural 28 20,000 1    
[53] Spain 2 17 Canaria-Canaria Hair Breed 8 Natural 28 20,000 2    2
[54] UK 1 4 Dorset 3 Naïve 22 5000 1    
[55] Germany 1 100 German Merino and 4 crossbreds 3 Naïve 49 5000   1 1  
[56] Hungary 3 70 Hungarian Merino 3 Naïve: 7000 L3 48–85 7000   3   
[57] Ethiopia 2 12 Ethiopian highland sheep 11 Natural 91 4000–6000   2   
[58] France 2 10 Préalpes Ile de France 2.5 Naïve 73–87 10,000–50,000   2   
[59] USA 2 24 St Croix-Dorset × Rambouillet × Finnsheep 4.5 12,000 27 10,000 2   2  
[60] South Africa 1 3 Mutton Merino 6 Naïve 42 50,000   1   
[61] France 4 268 Romane × Barbados BlackBelly BC 3 Natural 42 5,000   4 4  
[62] France 2 44 Romane × Barbados BlackBelly BC 5 Naïve 30 10,000 2   2 2
[21] The Netherlands 4 18 Texel 8 Naïve: 5000–10,000–40,000 28 5000 4   4  
[63] France 8 38 Barbados Black Belly-INRA 401 6 Naïve: 10,000 L3 4–30 10,000 8    4
[64] France 2 8 Barbados Black Belly-INRA 401 8 Naïve 16 10,000 2    
[65] New Zealand 2 26 Romney-Romney selected for greasy fleece 14.5 Natural 28 4000 2    
[66] Ethiopia 1 6 Indigenous breed 1 Naïve 84 5000   1   
[67] USA 8 34 St Croix-Florida Native-Dorset × Rambouillet 9.5 Naïve: 20,000 7–14 16,000–20,000 8