Mapping QTL affecting resistance to Marek's disease in an F6 advanced intercross population of commercial layer chickens

Table 4 Chromosomal regions that contain QTL (QTLR) and that do not contain QTL (non-Q)

Chr	Reg.	Type	M	Test	Location (cM)	Effect (days)	BC/Yonash
1	I	Non-Q	2		33–79
	II	QTLR	1	ZC	94; 95 (85–101)	1.62
	III	Non-Q	10		122–243
	IV	QTLR	2	Z	245–248	0.39
	V	Non-Q	15		259–523
2	I	Non-Q	1		44
	II	QTLR	3	C	45–46; 45	-2.49	Y (34–60)
	III	Non-Q	13		47–113
	IV	QTLR	2	Z	119–126	7.81	BC 5.74¹ (82–112)
	V	Non-Q	17		155–261
	VI	QTLR	4	C	272–277: 273 (269–275)	2.88
	VII	Non-Q	5		278–326
	VIII	QTLR	5	ZC	358–364; 361 (343–368)	6.53
	IX	QTLR	3	Z	374–378	7.18
	X	Non-Q	4		389–400
3	I	Non-Q	16		9–291
	II	QTLR	1	ZC	292	-8.00
	III	Non-Q	1		295
4	I	Non-Q	11		50–125
	II	QTLR	4	C	137–144	-4.69	Y (106–124)
	III	Non-Q	8		148–188
5	I	Non-Q	9		8–34
	II	QTLR	5	Z	83–96	-5.46
	III	Non-Q	2		106–122
	IV	QTLR	4	Z	152–162: 162 (160–165)	-1.15	BC -3.56¹(140–153)
	V	Non-Q	2		168–198
	VI	QTLR	2	C	198	4.74
6	I	Non-Q	4		41–141
7	I	Non-Q	5		0–135
8	I	Non-Q	8		8–39
	II	QTLR	1	ZC	40	11.25	BC 9.78 (43–56) Y (30–38)
	III	Non-Q	9		41–109
9	I	Non-Q	9		43–50
	II	QTLR	5	C	51–56	2.07	BC 4.52 (48–56)
	III	Non-Q	2		57–71
	IV	QTLR	1	ZC	122: 124 (101–134)	-7.00
11	I	Non-Q	2		0–68
13	I	Non-Q	7		16–44
15	I	Non-Q	11		1–26
	II	QTLR	1	ZC	26	4.69	BC 6.40 (3–39)
	III	Non-Q	1		39
18	I	Non-Q	2		7–20
	II	QTLR	5	ZC	23–32: 23 (22–28)	-5.53
26	I	Non-Q	3		33–38
	II	QTLR	6	C	66–68: 64	2.15
Z	I	QTLR	6	Z	36–52	5.87	BC 9.13¹(0–49)
	II	QTLR	1	C	74	4.04	BC 5.95¹(52–74)
	III	QTLR	3	C	87–103	0.30	BC 7.77¹ (103–115)
	IV	Non-Q	1		115

¹ Also supported by McElroy et al., (2006)
Chr., chromosome; Reg., region; M, number of markers in the region; Test, Z, significant by Z-test; C, significant by Chi-square and supported by IA; Location, cM of the markers flanking the region, in italics following semi-colon location and (confidence interval) by IA; Effect, allele substitution effect of the region; BC, allele substitution effect and location in Heifetz et al. (2007); Y, region of significance in Yonash et al. (1999).

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