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

Table 5 Estimation of QTL for resistance traits to coccidiosis after inoculation with E. tenella in an F2 cross.

QTL region¹	Flanking markers	Trait²	Location (cM)	F	Additive effect ± se	Dominance effect ± se	Parent of Origin effect ± se	Reduction of σ² (%)	Chrom-Wide Proba	Genome-Wide Proba
1-C	ROS0313-MCW0283	WG	404	6.74	5.40 ± 2.22	-6.77 ± 3.66	-8.85 ± 2.47	7.4	0.0076	0.036**
		PC	402	7.41	0.099 ± 0.050	-0.174 ± 0.081	-0.220 ± 0.056	8.1	0.0040	0.019**
3-B	MCW0252-ADL0306	WG	220	5.46	-5.83 ± 2.79	1.84 ± 5.16	9.04 ± 2.78	6.1	0.018	0.14^ns

¹QTL region = Chromosome number and letter to define sub-region; ²: WG = 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)); inoculation;
Genome-wide probabilities thresholds are indicated as significant ** (P < 0.05) or non significant ^ns(P > 0.10).
QTL with parent of origin effects.

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