Arid
DOI10.1371/journal.pone.0077313
Does the Fat Tailed Damara Ovine Breed Have a Distinct Lipid Metabolism Leading to a High Concentration of Branched Chain Fatty Acids in Tissues?
Alves, Susana P.1; Bessa, Rui J. B.1; Quaresma, Mario A. G.1; Kilminster, Tanya2; Scanlon, Tim2; Oldham, Chris2; Milton, John3; Greeff, Johan2; Almeida, Andre M.1,4,5,6
通讯作者Almeida, Andre M.
来源期刊PLOS ONE
ISSN1932-6203
出版年2013
卷号8期号:10
英文摘要

Fat tailed sheep breeds are known for their adaptation to nutritional stress, among other harsh production conditions. Damara sheep, native to Southern Africa, have recently been exported to other areas of the world, particularly Australia, aiming to produce lamb in semi-arid regions. Damaras have a unique hanging fat tail, a fat depot able to be mobilized under nutritional stress. In this article we perform an in-depth characterization of the fatty acid profiles of the fat tail in underfed and control Damara rams. Profiles were very similar between experimental groups, with the exception of palmitic acid (16: 0) that was lower (P = 0.014) in underfed animals. However, the most striking result was the very high proportions of non-terminal branched chain fatty acids found in the fat tail adipose tissue, as well as the gastrocnemius muscle of Damara rams. The muscle of Dorper and Merino rams used in the same experiment did not present non-terminal branched chain fatty acids, suggesting that Damara rams have a unique lipid metabolism. Herein, we interpret this trait relating it to a higher ability of Damara sheep to digest fibrous fodder and to putative differences in the propionate metabolism by comparison to other sheep breeds.


类型Article
语种英语
国家Portugal ; Australia
收录类别SCI-E
WOS记录号WOS:000326029300095
WOS关键词SUBCUTANEOUS ADIPOSE-TISSUE ; SHEEP BREEDS ; LAMBS ; TRIACYLGLYCEROLS ; ENERGY ; FEED
WOS类目Multidisciplinary Sciences
WOS研究方向Science & Technology - Other Topics
来源机构University of Western Australia
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/179428
作者单位1.Univ Tecn Lisboa, Fac Med Vet, CIISA, Lisbon, Portugal;
2.DAFWA, Perth, WA, Australia;
3.Univ Western Australia, Fac Nat & Agr Sci, Crawley, WA, Australia;
4.IICT, Biotrop, Lisbon, Portugal;
5.IBET, Oeiras, Portugal;
6.UNL, ITQB, BCV, Oeiras, Portugal
推荐引用方式
GB/T 7714
Alves, Susana P.,Bessa, Rui J. B.,Quaresma, Mario A. G.,et al. Does the Fat Tailed Damara Ovine Breed Have a Distinct Lipid Metabolism Leading to a High Concentration of Branched Chain Fatty Acids in Tissues?[J]. University of Western Australia,2013,8(10).
APA Alves, Susana P..,Bessa, Rui J. B..,Quaresma, Mario A. G..,Kilminster, Tanya.,Scanlon, Tim.,...&Almeida, Andre M..(2013).Does the Fat Tailed Damara Ovine Breed Have a Distinct Lipid Metabolism Leading to a High Concentration of Branched Chain Fatty Acids in Tissues?.PLOS ONE,8(10).
MLA Alves, Susana P.,et al."Does the Fat Tailed Damara Ovine Breed Have a Distinct Lipid Metabolism Leading to a High Concentration of Branched Chain Fatty Acids in Tissues?".PLOS ONE 8.10(2013).
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