Digestion of timothy silage and hay in reindeer
Leafy timothy (Phleum pratense) silage (S), silage mixed with molasses (SM) and hay (H) were fed to nine male reindeer (Rangifer tarandus tarandus) calves in winter to investigate rumen function and digestion. Three calves were given S with 18.5% dry matter (DM), three were given SM (21.9% DM) and t...
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Format: | Article in Journal/Newspaper |
Language: | English |
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Septentrio Academic Publishing
1998
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Online Access: | https://septentrio.uit.no/index.php/rangifer/article/view/1444 https://doi.org/10.7557/2.18.1.1444 |
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ftunitroemsoe:oai:ojs.henry.ub.uit.no:article/1444 2023-05-15T18:03:54+02:00 Digestion of timothy silage and hay in reindeer Moen, R. Olsen, M. A. Haga, Ø. E. Sørmo, W. Aagnes Utsi, T. H. Mathiesen, S. D. 1998-02-01 application/pdf https://septentrio.uit.no/index.php/rangifer/article/view/1444 https://doi.org/10.7557/2.18.1.1444 eng eng Septentrio Academic Publishing https://septentrio.uit.no/index.php/rangifer/article/view/1444/1360 https://septentrio.uit.no/index.php/rangifer/article/view/1444 doi:10.7557/2.18.1.1444 Copyright (c) 2015 R. Moen, M. A. Olsen, Ø. E. Haga, W. Sørmo, T. H. Aagnes Utsi, S. D. Mathiesen http://creativecommons.org/licenses/by/3.0/ CC-BY Rangifer; Årg 18 Nr 1 (1998); 35-45 Rangifer; Vol 18 No 1 (1998); 35-45 1890-6729 Rangifer tarandus tarandus reindeer digestion timothy silage hay grass molasses food intake cellulolysis rumen fill info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 1998 ftunitroemsoe https://doi.org/10.7557/2.18.1.1444 2021-08-16T14:57:00Z Leafy timothy (Phleum pratense) silage (S), silage mixed with molasses (SM) and hay (H) were fed to nine male reindeer (Rangifer tarandus tarandus) calves in winter to investigate rumen function and digestion. Three calves were given S with 18.5% dry matter (DM), three were given SM (21.9% DM) and three were given H (85.0% DM). The content of water soluble carbohydrates (in % of DM) was 8.2% in S, 16.0% in SM and 8.5% in H. Median (range) daily DM food intake per kg BM was 12.9 (9-2-14.4) g in calves fed S, 19.0 (19-0-21.9) g in calves fed SM and 21.0 (19.2¬21.1) g in calves fed H. In vivo digestion of S and SM DM ranged from 78.5-83.1% compared to only 69-9-72.9% in calves fed H. In vitro DM digestion (IVDMD) of cellulose (median) incubated for 48 hours in rumen fluid was, however, significantly (F = 0.05) lower in calves fed S (24.4%) compared to calves fed SM (42.2%). Median IVDMD of cellulose (48 hours) in calves fed H was 36.4%. Total concentration of VFA (range) in the rumen fluid from reindeer fed H (99.7-113.6 mM) and was significantly (P<0.05) higher compared to animals fed S (57.7-85.9 mM) or SM (51.4-72.0 mM). Likewise, the pH of the rumen fluid (range) was significantly (P<0.05) lower in reindeer fed H (6.40-6.78) compared to animals fed S (6.97-7.30) or SM (6.79-7.27). Based on this study it is concluded that leafy timothy preserved as hay seems to be more suitable as emergency feed compared to silage. Supplementation of molasses to silage seems to stimulate food intake and ruminal cellulose digestion in reindeer. The lower intake of S compared to SM or H by reindeer may be explained by ruminal energy deficiency. Article in Journal/Newspaper Rangifer Rangifer tarandus University of Tromsø: Septentrio Academic Publishing Rangifer 18 1 35 |
institution |
Open Polar |
collection |
University of Tromsø: Septentrio Academic Publishing |
op_collection_id |
ftunitroemsoe |
language |
English |
topic |
Rangifer tarandus tarandus reindeer digestion timothy silage hay grass molasses food intake cellulolysis rumen fill |
spellingShingle |
Rangifer tarandus tarandus reindeer digestion timothy silage hay grass molasses food intake cellulolysis rumen fill Moen, R. Olsen, M. A. Haga, Ø. E. Sørmo, W. Aagnes Utsi, T. H. Mathiesen, S. D. Digestion of timothy silage and hay in reindeer |
topic_facet |
Rangifer tarandus tarandus reindeer digestion timothy silage hay grass molasses food intake cellulolysis rumen fill |
description |
Leafy timothy (Phleum pratense) silage (S), silage mixed with molasses (SM) and hay (H) were fed to nine male reindeer (Rangifer tarandus tarandus) calves in winter to investigate rumen function and digestion. Three calves were given S with 18.5% dry matter (DM), three were given SM (21.9% DM) and three were given H (85.0% DM). The content of water soluble carbohydrates (in % of DM) was 8.2% in S, 16.0% in SM and 8.5% in H. Median (range) daily DM food intake per kg BM was 12.9 (9-2-14.4) g in calves fed S, 19.0 (19-0-21.9) g in calves fed SM and 21.0 (19.2¬21.1) g in calves fed H. In vivo digestion of S and SM DM ranged from 78.5-83.1% compared to only 69-9-72.9% in calves fed H. In vitro DM digestion (IVDMD) of cellulose (median) incubated for 48 hours in rumen fluid was, however, significantly (F = 0.05) lower in calves fed S (24.4%) compared to calves fed SM (42.2%). Median IVDMD of cellulose (48 hours) in calves fed H was 36.4%. Total concentration of VFA (range) in the rumen fluid from reindeer fed H (99.7-113.6 mM) and was significantly (P<0.05) higher compared to animals fed S (57.7-85.9 mM) or SM (51.4-72.0 mM). Likewise, the pH of the rumen fluid (range) was significantly (P<0.05) lower in reindeer fed H (6.40-6.78) compared to animals fed S (6.97-7.30) or SM (6.79-7.27). Based on this study it is concluded that leafy timothy preserved as hay seems to be more suitable as emergency feed compared to silage. Supplementation of molasses to silage seems to stimulate food intake and ruminal cellulose digestion in reindeer. The lower intake of S compared to SM or H by reindeer may be explained by ruminal energy deficiency. |
format |
Article in Journal/Newspaper |
author |
Moen, R. Olsen, M. A. Haga, Ø. E. Sørmo, W. Aagnes Utsi, T. H. Mathiesen, S. D. |
author_facet |
Moen, R. Olsen, M. A. Haga, Ø. E. Sørmo, W. Aagnes Utsi, T. H. Mathiesen, S. D. |
author_sort |
Moen, R. |
title |
Digestion of timothy silage and hay in reindeer |
title_short |
Digestion of timothy silage and hay in reindeer |
title_full |
Digestion of timothy silage and hay in reindeer |
title_fullStr |
Digestion of timothy silage and hay in reindeer |
title_full_unstemmed |
Digestion of timothy silage and hay in reindeer |
title_sort |
digestion of timothy silage and hay in reindeer |
publisher |
Septentrio Academic Publishing |
publishDate |
1998 |
url |
https://septentrio.uit.no/index.php/rangifer/article/view/1444 https://doi.org/10.7557/2.18.1.1444 |
genre |
Rangifer Rangifer tarandus |
genre_facet |
Rangifer Rangifer tarandus |
op_source |
Rangifer; Årg 18 Nr 1 (1998); 35-45 Rangifer; Vol 18 No 1 (1998); 35-45 1890-6729 |
op_relation |
https://septentrio.uit.no/index.php/rangifer/article/view/1444/1360 https://septentrio.uit.no/index.php/rangifer/article/view/1444 doi:10.7557/2.18.1.1444 |
op_rights |
Copyright (c) 2015 R. Moen, M. A. Olsen, Ø. E. Haga, W. Sørmo, T. H. Aagnes Utsi, S. D. Mathiesen http://creativecommons.org/licenses/by/3.0/ |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.7557/2.18.1.1444 |
container_title |
Rangifer |
container_volume |
18 |
container_issue |
1 |
container_start_page |
35 |
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1766175019467014144 |