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 litter traits traits:11
Number of QTL / associations found:3,069
Number of chromosomes where QTL / associations are found:19

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

Chromosomes Total χ2 df p-values FDR * Size of χ2
Chromosome X956.70707181.240166e-1912.356315e-190
Chromosome 11753.70701189e-412.442857e-40
Chromosome 2249.04759181.273760e-424.033573e-42
Chromosome 31.39524180.9983293258231159.983293e-01
Chromosome 40.41668180.9983293258231159.983293e-01
Chromosome 555.41668181.101297e-051.307790e-05
Chromosome 6166.68553184.067726e-267.728679e-26
Chromosome 7557.43468188.37509e-1077.956335e-106
Chromosome 818.48121180.42440074.743302e-01
Chromosome 9111.55650181.613602e-152.358341e-15
Chromosome 10153.82169181.340961e-232.316205e-23
Chromosome 11173.85401181.574654e-273.739803e-27
Chromosome 12167.04039183.464083e-267.313064e-26
Chromosome 1390.59589181.128521e-111.531564e-11
Chromosome 1471.81460182.223207e-082.816062e-08
Chromosome 15122.85394181.211686e-171.918503e-17
Chromosome 16329.19095184.617586e-591.754683e-58
Chromosome 17498.13709182.570721e-941.628123e-93
Chromosome 18409.30560181.047775e-754.976931e-75

Chi-squared (χ2) test: Which of the 11 litter traits traits are over-represented in the QTLdb

Traits Total χ2 df p-values FDR * Size of χ2
Birth weight variability 63.77595 10 6.944942e-10 2.546479e-09
Corpus luteum number 36.92826 10 5.823358e-05 1.067616e-04
Embryo survival 23.37684 10 0.009437892 1.297710e-02
Litter weight, piglets born alive 26.43974 10 0.003191674 5.015488e-03
Litter weight, total 48.39616 10 5.253821e-07 1.444801e-06
Number of litters 218.81097 10 1.895698e-41 1.042634e-40
Number of non-viable fetuses 22.4806 10 0.01283495 1.568716e-02
Number of viable embryos 41.58137 10 8.900091e-06 1.958020e-05
Number of viable fetuses 11.17858 10 0.3437754 3.781529e-01
Offspring number 8.68282 10 0.5624463 5.624463e-01
Piglet mortality 261.57219 10 1.994065e-50 2.193472e-49

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.:19 χ2=5887.462350
Number of traits:11 df=180
Number of QTLs:3,069 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.

 

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