Fourier Transform Infrared Spectroscopy as a Tool to Study Milk Composition Changes in Dairy Cows Attributed to Housing Modifications to Improve Animal Welfare.
animal welfare
biomarker
milk FTIR spectroscopy
Journal
Foods (Basel, Switzerland)
ISSN: 2304-8158
Titre abrégé: Foods
Pays: Switzerland
ID NLM: 101670569
Informations de publication
Date de publication:
18 Feb 2021
18 Feb 2021
Historique:
received:
25
01
2021
revised:
10
02
2021
accepted:
13
02
2021
entrez:
6
3
2021
pubmed:
7
3
2021
medline:
7
3
2021
Statut:
epublish
Résumé
Animal welfare status is assessed today through visual evaluations requiring an on-farm visit. A convenient alternative would be to detect cow welfare status directly in milk samples, already routinely collected for milk recording. The objective of this study was to propose a novel approach to demonstrate that Fourier transform infrared (FTIR) spectroscopy can detect changes in milk composition related to cows subjected to movement restriction at the tie stall with four tie-rail configurations varying in height and position (TR1, TR2, TR3 and TR4). Milk mid-infrared spectra were collected on weekly basis. Long-term average spectra were calculated for each cow using spectra collected in weeks 8-10 of treatment. Principal component analysis was applied to spectral averages and the scores of principal components (PCs) were tested for treatment effect by mixed modelling. PC7 revealed a significant treatment effect (
Identifiants
pubmed: 33670588
pii: foods10020450
doi: 10.3390/foods10020450
pmc: PMC7922570
pii:
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Natural Sciences and Engineering Research Council of Canada
ID : CRDPJ 499520 16
Organisme : FRQNT-CRIBIQ-Novalait
ID : Project no. EPI 2016-138
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