Table 5. Association of alleles with spleen size and BCWD survival traits.

							BCWD Resistance Traits
			Dam alleles assoc. with		Spleen Index		Survival status		Survival days
Omy	cM	Marker	Increase	Decrease	(SI Units1)	P> t	(Survival %1)	P> t	(Days1)	P> t
19	3.3	BX873975a	207	Null2	0.12	0.0120	20%	0.0030	3.2	0.0014
19	6.2	OMM1124a	161	199	0.19	0.0070	39%	0.0002	6.5	<.0001
19	7.5	OMY120INRAb	192	298	0.21	0.0025	32%	0.0037	5.2	0.0008
19	9.5	OMM1657	238	234	0.18	0.0101	31%	0.0027	5.1	0.0007
19	10.6	OMM1134a	160	152	0.19	0.0062	27%	0.0100	4.5	0.0030
19	10.7	OMM1412b	314	340	0.17	0.0120	22%	0.0449	3.7	0.0194
19	13.5	OMM1440	161	249	0.14	0.0069		n.s.3		n.s.
19	19.4	OMM1739	168	171	0.27	0.0001		n.s.		n.s.
19	23.6	OMM5216	132	134	0.33	<.0001		n.s		n.s.
19	37.1	OMM5327	170	204	0.26	0.0001		n.s.		n.s.

¹Allele effect is estimated by regression of SI, survival days, or survival status with the dam allele. The two alleles from the dam are listed, and for convenience, the effect on phenotype is listed in positive units.

²Null allele.

³n.s. indicates non-significant test (P>0.05).