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Impact of US Brown Swiss genetics on milk quality from low-input herds in Switzerland: Interactions with season

Stergiadis, Sokratis; Bieber, Anna; Chatzidimitriou, Eleni; Franceschin, Enrica; Isensee, Anne; Rempelos, Leonidas; Baranski, Marcin; Maurer, Veronika; Cozzi, Giulio; Bapst, Beat; Butler, Gillian and Leifert, Carlo (2018) Impact of US Brown Swiss genetics on milk quality from low-input herds in Switzerland: Interactions with season. Food Chemistry, 251, pp. 93-102.

[thumbnail of Stergiades_etal-2018_FoodChemostry-Vol251-p93-102.pdf] PDF - Published Version - English
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Document available online at: https://www.sciencedirect.com/science/article/pii/S0308814618300864


This study investigated the effect of, and interactions between, US Brown Swiss (BS) genetics and season on milk yield, basic composition and fatty acid profiles, from cows on low-input farms in Switzerland. Milk samples (n = 1,976) were collected from 1,220 crossbreed cows with differing proportions of BS, Braunvieh and Original Braunvieh genetics on 40 farms during winter-housing and summer-grazing. Cows with more BS genetics produced more milk in winter but not in summer, possibly because of underfeeding potentially high-yielding cows on low-input pasture-based diets. Cows with more Original Braunvieh genetics produced milk with more (i) nutritionally desirable eicosapentaenoic and docosapentaenoic acids, throughout the year, and (ii) vaccenic and α-linolenic acids, total omega-3 fatty acid concentrations and a higher omega-3/omega-6 ratio only during summer-grazing. This suggests that overall milk quality could be improved by re-focussing breeding strategies on cows’ ability to respond to local dietary environments and seasonal dietary changes.

EPrint Type:Journal paper
Keywords:Milk, Fatty acid, Low-input, Season, Brown Swiss, Original Braunvieh, animal breeding, cattle
Agrovoc keywords:
Subjects: Animal husbandry > Production systems > Dairy cattle
Animal husbandry > Production systems > Beef cattle
Animal husbandry > Breeding and genetics
Research affiliation: Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Animal > Animal welfare & housing
Italy > Other organizations
UK > Univ. Newcastle
UK > Univ. of Reading
Switzerland > Other organizations
Norway > Other organizations
Australia > Other organizations
Deposited By: Maurer, Dr. Veronika
ID Code:34686
Deposited On:25 Feb 2019 21:11
Last Modified:03 Aug 2021 11:25
Document Language:English
Refereed:Peer-reviewed and accepted

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