Genetic association of wool quality characteristics in United States Rambouillet sheep

Fine wool production is an important source of revenue, accounting for up to 13% of total revenue in extensively managed wool sheep production systems of the United States. The Rambouillet are a predominant breed that excels in wool quality characteristics. Understanding the genetic basis of wool qu...

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Bibliographic Details
Published in:Frontiers in genetics 2023-01, Vol.13, p.1081175
Main Authors: Becker, Gabrielle M, Woods, Julia L, Schauer, Christopher S, Stewart, Whit C, Murdoch, Brenda M
Format: Article
Language:English
Subjects:
60S ribosomal protein L17-like
ABCC8
central performance ram test
Genetics
GWAS
sheep production
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Summary:Fine wool production is an important source of revenue, accounting for up to 13% of total revenue in extensively managed wool sheep production systems of the United States. The Rambouillet are a predominant breed that excels in wool quality characteristics. Understanding the genetic basis of wool quality characteristics would aid in the development of genomic breeding strategies to facilitate genetic improvement. Wool characteristics and DNA were collected for rams enrolled in the North Dakota State University and University of Wyoming annual central performance ram tests over a three-year period (2019-2021, = 313). The relationships of wool quality characteristics including grease fleece weight adjusted 365 days (wt. 365 adj.), clean fleece wt. 365 adj., staple length 365 adj., average fiber diameter, face wool cover, amount of skin wrinkles and belly wool were evaluated through genome-wide association studies (GWAS), Pearson correlation and ANOVA. The GWAS identified four genome-wide significant genetic markers ( -value
ISSN:1664-8021
1664-8021
DOI:10.3389/fgene.2022.1081175