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Research Article
Severino Segato
University of Padua
Corresponding Author
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This work is licensed under a CC BY 4.0 License. Read Full License
Although there are many studies on the importance of fatty acids (FA) in our diet and on the influence of cows’ diet on FA metabolism, only a few investigate their predictive capacity to discriminate the type, amount and conservation method of the dietary forages. This research quantitatifies differences in FA concentrations and, using a supervised factorial discriminant analysis (FDA), assesses which could be biomarkers when replacing maize silage with other silages, grass/lucerne hays or fresh grass. The statistical modelling identified three main clusters in milk FA profiles associated with silages, hays and fresh grass as dominant roughages. The main implication of a dairy cow feeding system based on poliphytic forages from permanent meadows is to enhance milk’s nutritional value thanks to an increase in beneficial FA belonging to omenga-3 polyunsaturated FA, conjugated linoleic acids and odd chain FA, compared to the use of maize silage from arable land. The study also identified a small but powerful and reliable pool of FA that can act as biomarkers to authenticate feeding systems: C16:1, C17:0, C18:0, C18:3n-3, C18:1 c-9, C18:1 t-11, C20:0.
Keywords
fatty acids (FA), diet , factorial discriminant analysis (FDA), biomarkers
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No competing interests reported.
This is a list of supplementary files associated with this preprint. Click to download.
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CURRENT STATUS: Published
View the published article at Scientific Reports.
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Posted 09 Apr, 2021
No community comments so far
Editorial decision: Major revision
On 30 Aug, 2021
Reviews received
Received 12 Aug, 2021
Reviewers agreed
On 02 Aug, 2021
Reviews received
Received 24 Jun, 2021
Reviewers agreed
On 01 Jun, 2021
Reviewers invited
Invitations sent on 26 May, 2021
Editor assigned
On 26 May, 2021
Editor invited
On 15 Apr, 2021
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On 08 Apr, 2021
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On 02 Apr, 2021
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A new preprint design is coming!
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See the published version of this preprint at Scientific Reports.
This is a preprint, a preliminary version of a manuscript that has not completed peer review at a journal. Research Square does not conduct peer review prior to posting preprints. The posting of a preprint on this server should not be interpreted as an endorsement of its validity or suitability for dissemination as established information or for guiding clinical practice.
Learn more about In Review
Research Article
Severino Segato
University of Padua
Corresponding Author
Badges
Prescreen
This manuscript passed our Prescreen assessment
Complete author information
Appropriate declaration statements
Potential risks to human health
Prescreen
Peer Review Timeline
CURRENT STATUS: Published
View the published article at Scientific Reports.
Version 1
Posted 09 Apr, 2021
No community comments so far
Editorial decision: Major revision
On 30 Aug, 2021
Reviews received
Received 12 Aug, 2021
Reviewers agreed
On 02 Aug, 2021
Reviews received
Received 24 Jun, 2021
Reviewers agreed
On 01 Jun, 2021
Reviewers invited
Invitations sent on 26 May, 2021
Editor assigned
On 26 May, 2021
Editor invited
On 15 Apr, 2021
Submission checks complete
On 08 Apr, 2021
First submitted
On 02 Apr, 2021
Metrics
Comments: 0
PDF Downloads: ...
HTML Views: ...
License:
This work is licensed under a CC BY 4.0 License. Read Full License
View the published article at Scientific Reports.
Although there are many studies on the importance of fatty acids (FA) in our diet and on the influence of cows’ diet on FA metabolism, only a few investigate their predictive capacity to discriminate the type, amount and conservation method of the dietary forages. This research quantitatifies differences in FA concentrations and, using a supervised factorial discriminant analysis (FDA), assesses which could be biomarkers when replacing maize silage with other silages, grass/lucerne hays or fresh grass. The statistical modelling identified three main clusters in milk FA profiles associated with silages, hays and fresh grass as dominant roughages. The main implication of a dairy cow feeding system based on poliphytic forages from permanent meadows is to enhance milk’s nutritional value thanks to an increase in beneficial FA belonging to omenga-3 polyunsaturated FA, conjugated linoleic acids and odd chain FA, compared to the use of maize silage from arable land. The study also identified a small but powerful and reliable pool of FA that can act as biomarkers to authenticate feeding systems: C16:1, C17:0, C18:0, C18:3n-3, C18:1 c-9, C18:1 t-11, C20:0.
Figure 1
Figure 2
No competing interests reported.
This is a list of supplementary files associated with this preprint. Click to download.
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