Correlation between NIRS generated and chemically measured feed quality data in barley (Hordeum vulgare), and potential use in QTL analysis identification
Article
Article Title | Correlation between NIRS generated and chemically measured feed quality data in barley (Hordeum vulgare), and potential use in QTL analysis identification |
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ERA Journal ID | 5306 |
Article Category | Article |
Authors | Gous, Peter W. (Author), Martin, Anke (Author), Lawson, Wendy (Author), Kelly, Alison (Author), Fox, Glen P. (Author) and Sutherland, Mark W. (Author) |
Journal Title | Euphytica: international journal on plant breeding |
Journal Citation | 188 (3), pp. 325-332 |
Number of Pages | 8 |
Year | 2012 |
Publisher | Springer |
Place of Publication | Netherlands |
ISSN | 0014-2336 |
1573-5060 | |
Digital Object Identifier (DOI) | https://doi.org/10.1007/s10681-012-0644-x |
Web Address (URL) | http://link.springer.com/article/10.1007/s10681-012-0644-x |
Abstract | A study was performed to investigate the value of near infrared reflectance spectroscopy (NIRS) as an alternate method to analytical techniques for identifying QTL associated with feed quality traits. Milled samples from an F6—derived recombinant inbred Tallon/Scarlett population were incubated inthe rumen of fistulated cattle, recovered, washed and dried to determine the in-situ dry matter digestibility(DMD). Both pre- and post-digestion samples were analysed using NIRS to quantify key quality components relating to acid detergent fibre, starch and protein. This phenotypic data was used to identify trait associated QTL and compare them to previously identified QTL. Though a number of genetic correlations were identified between the phenotypic data sets, the only correlation of most interest was between DMD and starch digested (r = -0.382). The significance of this genetic correlation was that the NIRS data set identified a putative QTL on chromosomes 7H (LOD = 3.3) associated with starch digested. A QTL for DMD occurred in the same region of chromosome 7H, with flanking markers fAG/CAT63 and bPb-0758. The significant correlation and identification of this putative QTL, highlights the potential of technologies like NIRS in QTL analysis. |
Keywords | near infrared reflectance spectroscopy; QTL; barley; starch; ADF; protein; pre-digestion; post-digestion |
ANZSRC Field of Research 2020 | 310199. Biochemistry and cell biology not elsewhere classified |
310508. Genome structure and regulation | |
300303. Animal nutrition | |
Public Notes | Files associated with this item cannot be displayed due to copyright restrictions. |
Byline Affiliations | Centre for Systems Biology |
Department of Employment, Economic Development and Innovation, Queensland | |
University of Queensland | |
Institution of Origin | University of Southern Queensland |
https://research.usq.edu.au/item/q1xvz/correlation-between-nirs-generated-and-chemically-measured-feed-quality-data-in-barley-hordeum-vulgare-and-potential-use-in-qtl-analysis-identification
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