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Using SNP markers to estimate additive, dominance and imprinting genetic variance
Publikation: Konferencebidrag › Paper › Forskning › peer review
Dokumenter
- lopes janss dominance imprinting wcgalp 2014
Forlagets udgivne version, 229 KB, PDF-dokument
Links
- M S Lopes, TOPIGS Research Center IPG, Beuningen, the Netherlands, Holland
- J W M Bastiaansen, Animal Breeding and Genomics Centre, Wageningen University, Wageningen, Netherlands, Holland
- Luc Janss
- H Bovenhuis, Animal Breeding and Genomics Centre, Wageningen University, Wageningen, Netherlands, Holland
- E F Knol, TOPIGS Research Center IPG, Beuningen, the Netherlands, Holland
The contributions of additive, dominance and imprinting effects to the variance of number of teats (NT) were evaluated in two purebred pig populations using
SNP markers. Three different random regression models were evaluated, accounting for the mean and: 1) additive effects (MA), 2) additive and dominance effects (MAD) and 3) additive, dominance and imprinting effects (MADI). Additive heritability estimates were 0.30, 0.28 and 0.27-0.28 in both lines using MA, MAD and MADI, respectively. Dominance heritability ranged from 0.06 to 0.08 using MAD and MADI. Imprinting heritability ranged from 0.01 to 0.02. Dominance effects make an important contribution to the genetic variation of NT in the two lines evaluated. Imprinting effects appeared less important for
NT than additive and dominance effects. The SNP random regression model presented and evaluated in this study is a feasible approach to estimate additive, dominance and imprinting variance.
SNP markers. Three different random regression models were evaluated, accounting for the mean and: 1) additive effects (MA), 2) additive and dominance effects (MAD) and 3) additive, dominance and imprinting effects (MADI). Additive heritability estimates were 0.30, 0.28 and 0.27-0.28 in both lines using MA, MAD and MADI, respectively. Dominance heritability ranged from 0.06 to 0.08 using MAD and MADI. Imprinting heritability ranged from 0.01 to 0.02. Dominance effects make an important contribution to the genetic variation of NT in the two lines evaluated. Imprinting effects appeared less important for
NT than additive and dominance effects. The SNP random regression model presented and evaluated in this study is a feasible approach to estimate additive, dominance and imprinting variance.
| Originalsprog | Engelsk |
|---|---|
| Udgivelsesår | 17 aug. 2014 |
| Antal sider | 3 |
| Status | Udgivet - 17 aug. 2014 |
| Begivenhed | 10th World Congress on Genetics Applied to Livestock Production (WCGALP) - The Westin Bayshore, 1601 Bayshore Drive, Vancouver, BC V6G 2V4, Vancouver, Canada Varighed: 17 aug. 2014 → 22 aug. 2014 Konferencens nummer: 10th |
Konference
| Konference | 10th World Congress on Genetics Applied to Livestock Production (WCGALP) |
|---|---|
| Nummer | 10th |
| Lokation | The Westin Bayshore, 1601 Bayshore Drive, Vancouver, BC V6G 2V4 |
| Land | Canada |
| By | Vancouver |
| Periode | 17/08/2014 → 22/08/2014 |
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