Genomic regions associated with Holstein heifer times bred to artificial insemination and embryo transfer services.

IF 3.4 2区 生物学 Q2 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Victoria Kelson, Jennifer Kiser, Kimberly Davenport, Emaly Suarez, Brenda Murdoch, Holly Neibergs
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引用次数: 0

Abstract

This study aimed to identify loci (p < 1 × 10-5) and gene sets (normalized enrichment score (NES) ≥ 3.0) associated with the number of times a heifer is bred to attain a successful pregnancy (TBRD) for Holstein heifers bred by artificial insemination (AI, n = 2754) or that were embryo transfer (ET, n = 1566) recipients. Eight loci were associated (p < 1 × 10-5) with TBRD in AI bred heifers and four loci were associated with TBRD in ET recipients. The gene set enrichment analysis with SNP data identified one gene set enriched (NES ≥ 3.0) with TBRD in AI bred heifers and two gene sets that were enriched with TBRD in ET recipients. The estimated pseudo-heritability for times bred to AI was 0.063 and 0.043 for ET. The identification of loci associated with embryonic loss aids in the selection of Holstein heifers with higher reproductive efficiencies that are AI bred or that are ET recipients.

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来源期刊
Genomics
Genomics 生物-生物工程与应用微生物
CiteScore
9.60
自引率
2.30%
发文量
260
审稿时长
60 days
期刊介绍: Genomics is a forum for describing the development of genome-scale technologies and their application to all areas of biological investigation. As a journal that has evolved with the field that carries its name, Genomics focuses on the development and application of cutting-edge methods, addressing fundamental questions with potential interest to a wide audience. Our aim is to publish the highest quality research and to provide authors with rapid, fair and accurate review and publication of manuscripts falling within our scope.
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