Effect of different early weaning regimens for calves on adipogenic gene expression in Hanwoo loin at the fattening stage

Early weaning (EW) of calves using a high energy diet to encourage a higher carcass yield through early postnatal metabolic imprinting events may be used as a feeding strategy to improve beef quality. To better understand the importance of nutritional feeding in EW calves, 2-week-old Korean calves w...

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Bibliographic Details
Published in:Livestock science 2017-01, Vol.195, p.87-98
Main Authors: Reddy, Kondreddy Eswar, Jeong, JinYoung, Lee, Sung Dae, Baek, Youl-Chang, Oh, YoungKyun, Kim, Minseok, So, Kyung Min, Kim, Dong Woon, Kim, Jae Hwan, Park, Sungkwon, Lee, Hyun-Jeong
Format: Article
Language:English
Subjects:
DEGs
Early weaning
Metabolic imprinting
Pathway
RNA-seq
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Summary:Early weaning (EW) of calves using a high energy diet to encourage a higher carcass yield through early postnatal metabolic imprinting events may be used as a feeding strategy to improve beef quality. To better understand the importance of nutritional feeding in EW calves, 2-week-old Korean calves were fed with different diets for 10 weeks. After this period, all calves were fed with the same diet for 22 months and then biopsied. We used the RNA-seq technique to investigate the genes and gene networks involved in these treatments. A total of 32,226 fragments were sequenced among the treatments. Overall, 102, 181, and 191 genes showing differential expression levels for T1 (milk replacement + concentrate), T2 (milk replacement + concentrate + roughages), and T3 (milk replacement + concentrate +30% starch) treatments were identified, respectively (FDR
ISSN:1871-1413
1878-0490
DOI:10.1016/j.livsci.2016.11.014