QTLdb: entrichment tests

Release 58
(Dec 29, 2025)

Whole genome analysis for QTL/association enrichment

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Version: Enrich S: beta v0.8

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Data:

Number of growth traits:	27
Number of QTL / associations found:	15,905
Number of chromosomes where QTL / associations are found:	30

Chi-squared (χ²) test: are growth traits over-represented on some chromosomes?

Chromosomes	Total χ²	df	p-values	FDR ^*	Size of χ²
Chromosome X	5253.05898	29	9e-41	9.642857e-41
Chromosome 1	1163.75994	29	1.839501e-226	2.759252e-225
Chromosome 2	1544.83254	29	1.492967e-307	4.478901e-306
Chromosome 3	2185.70265	29	9e-41	9.642857e-41
Chromosome 4	2314.14165	29	9e-41	9.642857e-41
Chromosome 5	386.94753	29	3.255188e-64	2.441391e-63
Chromosome 6	2039207.45076	29	9e-41	9.642857e-41
Chromosome 7	126.47097	29	3.879035e-14	3.879035e-14
Chromosome 8	3061.07667	29	9e-41	9.642857e-41
Chromosome 9	3884.13090	29	9e-41	9.642857e-41
Chromosome 10	2651.28093	29	9e-41	9.642857e-41
Chromosome 11	262.78668	29	1.661653e-39	1.718951e-39
Chromosome 12	7594.53030	29	9e-41	9.642857e-41
Chromosome 13	958.18302	29	5.858268e-183	5.858268e-182
Chromosome 14	15961.32162	29	9e-41	9.642857e-41
Chromosome 15	4711.66686	29	9e-41	9.642857e-41
Chromosome 16	3420.65781	29	9e-41	9.642857e-41
Chromosome 17	5858.38170	29	9e-41	9.642857e-41
Chromosome 18	7752.67659	29	9e-41	9.642857e-41
Chromosome 19	4711.66686	29	9e-41	9.642857e-41
Chromosome 20	5473.40463	29	9e-41	9.642857e-41
Chromosome 21	2937.49281	29	9e-41	9.642857e-41
Chromosome 22	6032.38374	29	9e-41	9.642857e-41
Chromosome 23	7129.86867	29	9e-41	9.642857e-41
Chromosome 24	7015.99509	29	9e-41	9.642857e-41
Chromosome 25	7792.46784	29	9e-41	9.642857e-41
Chromosome 26	8609.68278	29	9e-41	9.642857e-41
Chromosome 27	7633.91412	29	9e-41	9.642857e-41
Chromosome 28	7633.91412	29	9e-41	9.642857e-41
Chromosome 29	8442.98046	29	9e-41	9.642857e-41

Chi-squared (χ²) test: Which of the 27 growth traits are over-represented in the QTLdb

Traits	Total χ²	df	p-values	FDR ^*	Size of χ²
Age at slaughter	14.98459	26	0.9576153	9.576153e-01
Average daily gain	765.83921	26	1.073675e-144	9.663075e-144
BWF scaled by BWI	129.48222	26	1.057694e-15	1.784859e-15
Body capacity	64.1503	26	4.528657e-05	5.557897e-05
Body circumference	279.44404	26	2.636477e-44	7.909431e-44
Body depth	1012.27076	26	9.320952e-197	2.516657e-195
Body height	529.57644	26	2.620868e-95	1.179391e-94
Body length	263.26662	26	4.222685e-41	1.140125e-40
Body size	50.11418	26	0.003046913	3.427777e-03
Body weight	652.37657	26	6.850733e-121	4.624245e-120
Body weight gain	554.6492	26	1.637260e-100	8.841204e-100
Cannon bone circumference	94.73255	26	9.492763e-10	1.281523e-09
Chest width	133.25851	26	2.246436e-16	4.043585e-16
Finishing precocity	341.41491	26	1.001932e-56	3.381520e-56
Growth index	138.45378	26	2.625751e-17	5.453483e-17
Head length	57.52496	26	0.0003574594	4.196263e-04
Head width	116.65196	26	1.892747e-13	3.006128e-13
Hip width	229.85529	26	1.512607e-34	3.403366e-34
Longissimus muscle area growth	68.39204	26	1.134063e-05	1.458081e-05
Maturity rate	468.11539	26	1.331451e-82	5.135597e-82
Metabolic body weight	2342.06679	26	9e-41	2.209091e-40
Relative growth rate	113.21325	26	7.432199e-13	1.114830e-12
Rump length	135.52138	26	8.837875e-17	1.704447e-16
Rump width	875.40187	26	8.604709e-168	1.161636e-166
Shoulder width	38.28996	26	0.05690692	6.145947e-02
Subcutaneous fat increase	34.90294	26	0.1137637	1.181392e-01
Thigh width (maximum)	109.06657	26	3.813437e-12	5.419095e-12

Correlations found between some of these traits for your reference

No correlation data found on these traits

Overall Test

Data		Chi'Square Test			Fisher's Exact Test
Number of chrom.:	30	χ²	=	2181712.829220
Number of traits:	27	df	=	754
Number of QTLs:	15,905	p-value	=	0

FOOT NOTE: * : FDR is short for "false discovery rate", representing the expected proportion of type I errors. A type I error is where you incorrectly reject the null hypothesis, i.e. you get a false positive. It's statistical definition is FDR = E(V/R | R > 0) P(R > 0), where V = Number of Type I errors (false positives); R = Number of rejected hypotheses. Benjamini–Hochberg procedure is a practical way to estimate FDR.