Articles | Volume 67, issue 2
https://doi.org/10.5194/aab-67-237-2024
https://doi.org/10.5194/aab-67-237-2024
Original study
 | 
05 Jun 2024
Original study |  | 05 Jun 2024

Analysis of genetic variants for different horn phenotypes and their inheritance in Icelandic sheep

Rebecca Simon, Karólína Elísabetardóttir, and Gesine Lühken

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Cited articles

Cheng, H., Zhang, Z., Wen, J., Lenstra, J. A., Heller, R., Cai, Y., Guo, Y., Li, M., Li, R., Li, W., He, S., Wang, J., Shao, J., Song, Y., Zhang, L., Billah, M., Wang, X., Liu, M., and Jiang, Y.: Long divergent haplotypes introgressed from wild sheep are associated with distinct morphological and adaptive characteristics in domestic sheep, PLoS Genet., 19, e1010615, https://doi.org/10.1371/journal.pgen.1010615, 2023. 
Clutton-Brock, T. H. and Pemberton, J. M.: Soay Sheep, Cambridge University Press, ISBN 978-0-521-52990-7, 2009. 
Duijvesteijn, N., Bolormaa, S., Daetwyler, H. D., and van der Werf, J. H. J.: Genomic prediction of the polled and horned phenotypes in Merino sheep, Genet. Sel. Evol., 50, 28, https://doi.org/10.1186/s12711-018-0398-6, 2018. 
Dýrmundsson, O. R.: Four-hornedness; a rare peculiarity still found in Icelandic sheep, ISBONA newsletter, 6–8, http://www.isbona.com/images/pdf/newsletterarticles/fourhorned.pdf (last access: 12 December 2023), 2005. 
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Short summary
Genetics of horn traits in sheep are still under investigation. Icelandic sheep were chosen to further characterize this complex trait using known variants as it is highly variable for horn characteristics. Only the published variant for multi-hornedness was in perfect segregation. The absence of horns was analyzed in multi-horned sheep. Only tendencies of association were found for hornlessness and for different horn shapes and sizes, confirming previous results in other breeds.