Bär, Cornelia; Sutter, Michael; Kopp, Christoph; Neuhaus, Patrick; Portmann, Reto; Egger, Lotti; Reidy, Beat; Bisig, Walter (2020). Impact of herbage proportion, animal breed, lactation stage and season on the fatty acid and protein composition of milk International Dairy Journal, 109(104785), pp. 1-10. Elsevier 10.1016/j.idairyj.2020.104785
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Impact of herbage proportion, breed, average days in lactation (ADiL), and season on bulk milk composition of 12 dairy farms were investigated over a year using a mixed effect model approach. A 10%-points higher proportion of herbage led to higher contents of omega 3 (n-3) fatty acids (FAs), conjugated linoleic acids (CLA), vaccenic acid, and branched chain FAs (+0.08, +0.08, +0.19, +0.05 g 100 g−1 fat, respectively). Breed influenced n-3 FAs and CLA (+0.31, +0.17 g 100 g−1 fat, respectively), κ-casein, lipoprotein lipase, β-lactoglobulin, total whey protein, fatty acid synthase, and glycoprotein-2, resulting in +0.96, −0.019, −0.83, −1.12, +0.009, and +0.01 g 100 g−1 measured proteins, respectively, in Brown Swiss milk. ADiL influenced lactoferrin and crude protein; season affected all FAs and proteins examined. The identification of these quantitative relationships allow predictions that provide new insights for the production, processing and commercialisation of grassland-based dairy products.
Item Type: |
Journal Article (Original Article) |
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Division/Institute: |
School of Agricultural, Forest and Food Sciences HAFL School of Agricultural, Forest and Food Sciences HAFL > Agriculture School of Agricultural, Forest and Food Sciences HAFL > Agriculture > Grasslands and Ruminant Production Systems |
Name: |
Bär, Cornelia; Sutter, Michael  0000-0003-0314-5697; Kopp, Christoph; Neuhaus, Patrick; Portmann, Reto; Egger, Lotti; Reidy, Beat 0000-0002-8619-0209 and Bisig, Walter |
Subjects: |
S Agriculture > S Agriculture (General) S Agriculture > SB Plant culture S Agriculture > SF Animal culture |
ISSN: |
09586946 |
Publisher: |
Elsevier |
Funders: |
[UNSPECIFIED] Innosuisse ; [UNSPECIFIED] IP-Suisse ; [UNSPECIFIED] Migros |
Language: |
English |
Submitter: |
Michael Sutter |
Date Deposited: |
07 Jan 2021 07:21 |
Last Modified: |
04 Jan 2022 09:20 |
Publisher DOI: |
10.1016/j.idairyj.2020.104785 |
ARBOR DOI: |
10.24451/arbor.14109 |
URI: |
https://arbor.bfh.ch/id/eprint/14109 |
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