Identifying QTL for fur quality traits in mink (Neovison vison)

J.P. Thirstrup; R.M. Anistoroaei; B. Guldbrandtsen; R.S. Labouriau; K. Christensen; M. Fredholm; V.H. Nielsen

Identifying QTL for fur quality traits in mink (Neovison vison)

In: Proceedings of the Xth International Scientific Congress in Fur Animal Production

Authors:

J.P. Thirstrup

J.P. Thirstrup ¹Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Denmark

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R.M. Anistoroaei

R.M. Anistoroaei ²Department of Basic Animal and Veterinary Sciences, Faculty of Life Science, Copenhagen University, Denmark; janne.thirstrup@agrsci.dk

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B. Guldbrandtsen

B. Guldbrandtsen ¹Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Denmark

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R.S. Labouriau

R.S. Labouriau ¹Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Denmark

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K. Christensen

K. Christensen ²Department of Basic Animal and Veterinary Sciences, Faculty of Life Science, Copenhagen University, Denmark; janne.thirstrup@agrsci.dk

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M. Fredholm

M. Fredholm ²Department of Basic Animal and Veterinary Sciences, Faculty of Life Science, Copenhagen University, Denmark; janne.thirstrup@agrsci.dk

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V.H. Nielsen

V.H. Nielsen ¹Department of Molecular Biology and Genetics, Faculty of Science and Technology, Aarhus University, Denmark

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Type:: Chapter

Pages:: 216–222

DOI:: https://doi.org/10.3920/9789086867608_034

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Dar Hadith al Hassania

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Mapping of quantitative trait loci (QTL) affecting fur quality traits (guard hair length, guard hair thickness and density of wool) was performed in a 3-generation population (F₂-design). In the parental generation, Nordic wild mink were crossed reciprocally with American short nap mink. Twenty one wild mink were mated to 25 short nap mink. In the F₁-generation, 103 mink were mated. 934 mink were obtained in the F₂-generation. The mink were genotyped using 104 microsatellites covering all 14 autosomal chromosomes. The marker spacing was approximately 11 cM. Recordings of fur quality traits were made on all genotyped mink by Kopenhagen Fur. The QTL analyses were performed by least square regression implemented in the software GridQTL. Evidence was found for QTL for the fur quality traits on eight autosomal chromosomes (LOD score >3.0). QTL were detected for guard hair thickness on chromosomes 1, 2, 3, 4, 6, 11 and 13, for guard hair length on chromosomes 2, 3 and 6 and for wool density on chromosome 6, 7 and 13. Similar locations of QTL for guard hair length and guard hair thickness on chromosomes 2, 3 and 6 suggest that these traits are in part under the influence of the same genes.

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Proceedings of the Xth International Scientific Congress in Fur Animal Production

Scientifur Volume 36 (3/4)

E-Book ISBN:: 9789086867608

Publisher:: Wageningen Academic

Print Publication Date:: 30 Oct 2012

Subjects
- Life Sciences
  - General
  - Animal & Veterinary

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Identifying QTL for fur quality traits in mink (Neovison vison)

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Proceedings of the Xth International Scientific Congress in Fur Animal Production

Scientifur Volume 36 (3/4)

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