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Table 1 Elementary statistics on some resistance traits measured on inoculated animals (E. tenella) in the F0 (Leghorn and Fayoumi) and in their F1 cross, all F2 cross and selected susceptible (S) and resistant (R) F2

From: Microsatellite mapping of QTLs affecting resistance to coccidiosis (Eimeria tenella) in a Fayoumi × White Leghorn cross

  Leghorn
(n = 44)
Fayoumi
(n = 44)
F1
(n = 104)
F2
(n = 860)
F2-S1
(n = 130)
F2-R2
(n = 130)
Mortality (%) 3 26.7 0.0 0.0 1.4 4.6 0.0
LES 4       
mean ± sd 3.7 ± 0.6 2.9 ± 0.6 2.9 ± 0.6 3.1 ± 0.6 3.4 ± 0.6 2.5 ± 0.8
min/max 2/4 2/4 1/4 1/4 2/4 1/4
WG (%) 5       
mean ± sd 11.1 ± 13.3 32.6 ± 14.9 42.2 ± 15.2 32.0 ± 16.6 4.5 ± 8.0 50.6 ± 5.9
min/max -21.7/49.2 2.6/61.9 -2.6/72.3 -14.5/68.2 -14.5/24.4 36.2/68.2
  1. 1F2-S = 15% selectively genotyped as the most susceptible within F2 families; 2F2-R = 15% selectively genotyped as the most resistant within F2 families; 3Mortality and 4LES = Lesions measured 8 d post inoculation (pi); 5Weight Gain (%) = 100 × (Body Weight (8 d post inoculation) - Body Weight (2 d before inoculation))/Body Weight (2 d before inoculation) (%)