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dc.contributor.author
Wettstein, Hans-Rudolf
dc.contributor.author
Estermann, Beda L.
dc.contributor.author
Sutter, Franz
dc.contributor.author
Kreuzer, Michael
dc.date.accessioned
2019-10-30T12:08:25Z
dc.date.available
2017-06-14T09:50:36Z
dc.date.available
2019-10-30T12:08:25Z
dc.date.issued
2010-10
dc.identifier.issn
0003-9438
dc.identifier.other
10.5194/aab-53-293-2010
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/156511
dc.identifier.doi
10.3929/ethz-b-000156511
dc.description.abstract
The aim of the present study was to compare intake and nutrient turnover in two major production systems on mountainous pastures, suckler beef production and rearing of heifers. Data from 4 × 6 Angus or Simmental suckler beef cows with Angus sired calves were opposed to those measured in six growing Brown Swiss heifers applying a contrast model. In each of two vegetative seasons (years A and B) animals were kept together on three mountainous pastures, P1 (1 000 m a.s.l.), P2 and P3 (both 2 000 m a.s.l.), providing either first growth (P1, P2) or re-growth herbage (P3). Intake and herbage digestibility were estimated by the double alkane indicator technique. On average of the two years, the cows together with their progeny weighed 741 kg and the heifers 374 kg. The average daily body weight gain in beef calves (1 044 g) was twice of that measured in the heifers (546 g). Body weight of the cows remained quite constant on average. Dry matter intakes were 17.0 and 8.2 kg/d, and 118 and 96 g/kg0.75 body weight in suckler cows with progeny and heifers, respectively. On all pastures, cattle of both categories selected herbage of similar energy and protein content. Digestibilities of organic matter (73–74 %) and fibre (NDF, 69 %) were similar between categories, though differing among pastures. Nitrogen utilisation was equal in both categories (8 % of intake), but varied among pastures (11 %, 8 % and 5 % on P1, P2 and P3, respectively) and years (11 % and 6 % in years A and B) due to different herbage N contents and intakes. When related to intake, also excretion of faecal and urinary N was equal in both categories. Faecal P losses relative to weight gain were similar in both categories but differed between pastures and years. The results demonstrated unexpectedly similar nutrient use efficiencies and relative N and P losses of the two livestock system options currently common in utilising of mountainous pasture.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Copernicus Publications
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/3.0/
dc.title
Feed, N and P utilisation of Brown Swiss heifers in comparison with Angus and Simmental suckler cows with their progeny grazing mountain pastures
en_US
dc.title.alternative
Futter-, N- und P-Verwertung von Brown Swiss-Färsen im Vergleich zu Angus- bzw. Simmentalmutterkühen mit Kälbern auf Gebirgsweiden
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 3.0 Unported
dc.date.published
2010-10-10
ethz.journal.title
Archives of Animal Breeding
ethz.journal.volume
53
en_US
ethz.journal.issue
3
en_US
ethz.journal.abbreviated
Arch. Anim. Breed.
ethz.pages.start
293
en_US
ethz.pages.end
308
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.nebis
000007023
ethz.publication.place
Göttingen
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02703 - Institut für Agrarwissenschaften / Institute of Agricultural Sciences::03428 - Kreuzer, Michael (emeritus) / Kreuzer, Michael (emeritus)
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02703 - Institut für Agrarwissenschaften / Institute of Agricultural Sciences::03428 - Kreuzer, Michael (emeritus) / Kreuzer, Michael (emeritus)
ethz.date.deposited
2017-06-14T09:52:59Z
ethz.source
ECIT
ethz.identifier.importid
imp59364cd52150186137
ethz.ecitpid
pub:34615
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-07-15T08:45:02Z
ethz.rosetta.lastUpdated
2022-03-28T23:59:23Z
ethz.rosetta.versionExported
true
ethz.COinS
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