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Table 4 Estimation of QTL for resistance traits to coccidiosis after inoculation with E. tenella in an F2 cross.

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

QTL region1 Flanking markers Trait2 Location (cM) F Additive effect ± se Dominance effect ± se Corrected Additive effect ± se Corrected Dominance effect ± se Reduction of σ2 (%) Chrom-Wide Proba Genome-Wide Proba
1-A SEQALL0480-SEQALL0478 WG 216 8.79 -8.34 ± 2.44 8.29 ± 4.09 -3.20 ± 0.93 3.18 ± 1.57 6.5 0.005 0.024**
   PC 216 6.88 -0.188 ± 0.056 0.109 ± 0.092    5.1 0.014 0.066*
   HEMA 215 11.44 -1.788 ± 0.528 ns    4.3 0.009 0.043**
1-B MCW0101-LEI0101 WG 254 17.42 -9.57 ± 2.29 ns -3.67 ± 0.88 ns 6.4 0.0003 0.001***
   PC 254 10.90 -0.173 ± 0.052 ns    4.1 0.0039 0.019**
2-A MCW0173-ADL0267 248 11.15 0.146 ± 0.044 ns    4.2 0.016 0.10*
2-B ADL0236-MCW0185 WG 297 6.78 -7.41 ± 2.52 7.05 ± 3.92 -2.84 ± 0.97 2.70 ± 1.50 5.1 0.024 0.15ns
3-A LEI0161-MCW0212 143 8.21 -0.138 ± 0.048 ns    3.1 0.045 0.31ns
3-C GCT053-MCW0040 WG 281 5.92 -7.42 ± 2.23 3.74 ± 3.55 -2.84 ± 0.85 1.43 ± 1.36 4.5 0.042 0.30ns
   PC 281 7.86 -0.143 ± 0.051     3.9 0.050 ns
6-A MCW0250-SEQALL0472 HEMA 59 10.61 -1.622 ± 0.498 ns    4.0 0.0062 0.19ns
   PC 66 15.55 -0.207 ± 0.052 ns    5.7 0.0011 0.038**
6-B SEQALL0472-SEQALL0486 WG 79 5.56 -7.78 ± 2.42 -4.88 ± 3.71 -2.98 ± 0.93 -1.87 ± 1.42 4.2 0.030 0.65ns
15 MCW0211-MCW0323 WG 50 6.7 6.56 ± 2.53 ns -3.20 ± 0.93 ns 2.5 0.044 ns
   HEMA 50 9.54 1.728 ± 0.559 ns    3.6 0.010 ns
   LES 50 7.66 -0.248 ± 0.090 ns    2.9 0.025 ns
23-A MCW0165-ADL0289 2 3.94 0.109 ± 0.047 -0.128 ± 0.073    3.0 0.050 ns
23-B ADL0289-LEI0090 WG 8 5.5 5.87 ± 2.50 ns 2.25 ± 0.96 ns 2.1 0.044 ns
  1. 1QTL region = Chromosome number and letter to define sub-region; 2WG = 100 × (Body Weight (8 d post inoculation) – Body Weight (2 d before inoculation))/Body Weight (2 d before inoculation) (%); PC = Plasma Coloration 4 d post inoculation (log10(Optical Density at 480 nm)); T° = Rectal Body Temperature (°C) 4 d post inoculation; HEMA = Hematocrit Level (%) 4 d post inoculation; LES = Lesion (from 0 "no lesion" to 4 "most severe lesion") 7 d post inoculation;
  2. Genome-wide probabilities thresholds are indicated as very significant*** (P = 0.001), significant** (P < 0.05), suggestive* (P < 0.10) or non significant ns (P > 0.10).
  3. QTL with additive and dominance effects.