Table 4 Results of infestation with larvae obtained from each fertile cross in experiments I (Table 1) and II (Table 2) with Rhipicephalus (Boophilus) microplus strains from Australia (AUS), Argentina (ARG) and Mozambique (MOZ).
Experiment No. – Cross (male × female) that generated the larvae used for infestation | Engorged female weight (mg)* | Feeding period (days)* # | No. engorged females that oviposited (%) | Egg mass weight (mg)* | EPE* | % egg hatching* |
|---|---|---|---|---|---|---|
I – AUS × AUS | 169.4 ± 37.3 a | 20.2 ± 0.4 a | 21 (70.0) | 50.3 ± 20.9 a | 29.5 ± 11.2 a | 96.4 ± 11.0 a |
I – AUS × AUS | 192.8 ± 53.2 a, f | 20.2 ± 0.4 a, b | 5 (100) | 52.0 ± 33.9 a, b | 25.5 ± 10.8 a, d | 27.2 ± 39.6 b |
II – AUS × AUS | 179.0 ± 19.7 b, g | 21.1 ± 0.8 d, e | 7 (87.5) | 78.6 ± 18.7 b | 43.5 ± 8.9 b | 27.3 ± 37.2 b |
I – ARG × ARG | 278.7 ± 37.2 c | 22.5 ± 0.9 f | 30 (100) | 140.7 ± 24.3 c | 50.4 ± 5.2 b,c | 95.8 ± 11.1 a,d |
II – ARG × ARG | 309.4 ± 26.0 d | 24.6 ± 1.1 g | 29 (96.7) | 156.8 ± 20.0 d | 50.8 ± 5.2 b,c | 84.2 ± 28.3 c,d |
II – MOZ × MOZ | 374.1 ± 35.9 e | 24.1 ± 1.3 c | 28 (93.3) | 183.3 ± 34.6 e | 49.2 ± 9.4 b,c | 78.8 ± 24.3 c |
I – AUS × ARG | 214.0 ± 55.4 f,g | 20.6 ± 0.6 b.d | 29 (96.7) | 74.2 ± 25.3 b | 33.2 ± 17.7 a | 0.0 ± 0.0 |
I – AUS × ARG | 257.6 ± 37.6 b | 21.1 ± 1.3 e | 30 (100) | 62.0 ± 28.4 a,b | 24.4 ± 11.3 a,d | 0.0 ± 0.0 |
II – AUS × ARG | 311.7 ± 29.1 b | 21.0 ± 1.1 e | 30 (100) | 163.7 ± 24.5 d,f | 52.4 ± 4.7 c,e | 0.0 ± 0.0 |
II – AUS × MOZ | 304.0 ± 36.4 a | 20.1 ± 1.0 a | 30 (100) | 66.3 ± 35.0 a,b | 22.3 ± 12.1 d | 0.0 ± 0.0 |
II – MOZ × ARG | 265.1 ± 58.8 e | 24.0 ± 1.2 c | 30 (100) | 147.3 ± 38.6 c,d | 55.6 ± 10.3 e,f | 95.0 ± 17.6 a,d |
II – ARG × MOZ | 299.7 ± 57.8 h | 23.6 ± 1.3 h | 29 (97.7) | 179.6 ± 44.1 e,f | 58.7 ± 6.7 f | 92.2 ± 14.7 a,c |