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Effect of early-life plane of nutrition on the transcriptional profile of skeletal muscle tissue of Angus heifer calves

ABSTRACT: The study examined changes in the transcriptional profile of skeletal muscle tissue in heifer calves offered varying planes of nutrition during the early life period. From approximately 3 weeks of age Angus X Holstein-Friesian heifer calves were offered either a high or moderate plane of nutrition to achieve target growth rates of 1.2 kg/d and 0.5 kg/d, respectively. After 18 weeks of differential feeding all calves were euthanized and skeletal muscle tissue samples collexted from each calf. RNA was extracted and subsequently subjected to RNAseq analysis. 482 genes were significantly differentially expressed between calves on the High plane of nutrition and those on the Moderate plane of nutrition. Biological pathway analysis revealed an enrichement from these genes for processes and pathways related to energy production and cellular growth and proliferation.

ORGANISM(S): Bos taurus

PROVIDER: GSE266506 | GEO | 2025/07/09

REPOSITORIES: GEO

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