Identification of microsatellites and their effect on economic traits of Texel × Kazakh sheep
Yang Cunming, Bin Li, Zhu Mengting, Yiming Sulaiman, Sangang He, Mingjun Liu

TL;DR
This study identifies microsatellite markers in Texel × Kazakh sheep that are linked to meat production and fat traits, aiding in selective breeding for better mutton quality.
Contribution
The study identifies specific microsatellite loci significantly associated with meat yield and fat deposition traits in Texel × Kazakh sheep.
Findings
The AMEL locus is significantly associated with mesenteric and kidney fat weights, explaining up to 34.7% of phenotypic variance.
The INRA023 locus influences carcass weight, with the AD genotype being a key marker for meat yield traits.
The population shows high genetic diversity with 81 alleles identified across 11 microsatellite loci.
Abstract
Mutton has the advantages of delicious taste, high nutrition, and easy digestion. It is important to improve the production and quality of mutton in mutton sheep breeding. Microsatellite locus marker-assisted breeding is widely used to breed excellent traits of various species. It is important to search for microsatellite markers related to the economic traits (mutton production and fat content) of mutton sheep. This study aimed to explore the relationship between 11 microsatellite loci of Texel × Kazakh sheep and 12 economic traits and to seek potential loci related to the mutton production (PW: Pre-slaughter weight, CW: Carcass weight, TAW: Total breast and abdomen weight, TLT: Total weight of left anterior tendon, TLL: Total weight of left hip and leg, LD: Longissimus dorsi, OMA: Ocular muscle area) and fat deposition levels (TFW: Tail fat weight, MFW: Mesenteric fat weight, KFW:…
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Taxonomy
TopicsGenetic and phenotypic traits in livestock · Agricultural Systems and Practices · Livestock Management and Performance Improvement
