Effect of immature oak (Quercus pyrenaica) leaves intake on ruminal fermentation and adaptation of rumen microorganisms in cattle
6 pages, 2 figures.-- Contributed to: VII International Symposium on the Nutrition of Herbivores (Beijing, China, Sep 17−22, 2007).
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| Format: | comunicación de congreso biblioteca |
| Language: | English |
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Polish Academy of Sciences
2007
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| Subjects: | Beef cattle, In vitro gas production,, Pyrenean oak,, Tannin, |
| Online Access: | http://hdl.handle.net/10261/13148 |
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dig-igm-es-10261-131482018-09-04T11:11:54Z Effect of immature oak (Quercus pyrenaica) leaves intake on ruminal fermentation and adaptation of rumen microorganisms in cattle Doce, Raquel R. Hervás, Gonzalo Giráldez, Francisco Javier López Campos, Oscar Mantecón, Ángel R. Frutos, Pilar Beef cattle In vitro gas production, Pyrenean oak, Tannin 6 pages, 2 figures.-- Contributed to: VII International Symposium on the Nutrition of Herbivores (Beijing, China, Sep 17−22, 2007). Later published as paper in: Animal Feed Science and Technology 150(1-2): 75-85 (2009), https://digital.csic.es/handle/10261/13289 Two experiments were conducted to study the effect of the consumption of different amounts of immature Pyrenean oak leaves (OL) by beef cattle on in vitro ruminal fermentation and potential adaptation of rumen microorganisms. A total of twelve ruminally cannulated young Brown Swiss bulls were divided in experimental groups that received different amounts of OL via the ruminal cannula (on average 0, 2.5, 5.2 and almost 10 kg fresh matter per animal and day). The gas production technique was used to study in vitro fermentation of two substrates (grass hay and OL) incubated with rumen inocula derived from each bull. Results suggest not only a dose-dependent negative effect of tannins consumption on ruminal fermentation of common feeds (e.g., grass hay), but also an adaptation of rumen microbial populations from animals receiving moderate amounts of OL. The high level of tannins in the rumen of bulls that received the highest amount of OL would have exceeded the ability of microorganisms to tolerate or detoxify them. Supported by the Spanish Ministry of Education and Science, MEC, Project AGL2004-06076-C02-01 Peer reviewed 2009-05-21T11:59:27Z 2009-05-21T11:59:27Z 2007 comunicación de congreso http://purl.org/coar/resource_type/c_5794 Journal of Animal and Feed Sciences, 16, Suppl. 2: 13-18 (2007) VII International Symposium on the Nutrition of Herbivores, 508 (2007) 1230-1388 http://hdl.handle.net/10261/13148 en http://www.ifzz.pl/fusion_pages/jafs/session1.pdf open 3936298 bytes application/pdf Polish Academy of Sciences |
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Biblioteca del IGM España |
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English |
| topic |
Beef cattle In vitro gas production, Pyrenean oak, Tannin Beef cattle In vitro gas production, Pyrenean oak, Tannin |
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Beef cattle In vitro gas production, Pyrenean oak, Tannin Beef cattle In vitro gas production, Pyrenean oak, Tannin Doce, Raquel R. Hervás, Gonzalo Giráldez, Francisco Javier López Campos, Oscar Mantecón, Ángel R. Frutos, Pilar Effect of immature oak (Quercus pyrenaica) leaves intake on ruminal fermentation and adaptation of rumen microorganisms in cattle |
| description |
6 pages, 2 figures.-- Contributed to: VII International Symposium on the Nutrition of Herbivores (Beijing, China, Sep 17−22, 2007). |
| format |
comunicación de congreso |
| topic_facet |
Beef cattle In vitro gas production, Pyrenean oak, Tannin |
| author |
Doce, Raquel R. Hervás, Gonzalo Giráldez, Francisco Javier López Campos, Oscar Mantecón, Ángel R. Frutos, Pilar |
| author_facet |
Doce, Raquel R. Hervás, Gonzalo Giráldez, Francisco Javier López Campos, Oscar Mantecón, Ángel R. Frutos, Pilar |
| author_sort |
Doce, Raquel R. |
| title |
Effect of immature oak (Quercus pyrenaica) leaves intake on ruminal fermentation and adaptation of rumen microorganisms in cattle |
| title_short |
Effect of immature oak (Quercus pyrenaica) leaves intake on ruminal fermentation and adaptation of rumen microorganisms in cattle |
| title_full |
Effect of immature oak (Quercus pyrenaica) leaves intake on ruminal fermentation and adaptation of rumen microorganisms in cattle |
| title_fullStr |
Effect of immature oak (Quercus pyrenaica) leaves intake on ruminal fermentation and adaptation of rumen microorganisms in cattle |
| title_full_unstemmed |
Effect of immature oak (Quercus pyrenaica) leaves intake on ruminal fermentation and adaptation of rumen microorganisms in cattle |
| title_sort |
effect of immature oak (quercus pyrenaica) leaves intake on ruminal fermentation and adaptation of rumen microorganisms in cattle |
| publisher |
Polish Academy of Sciences |
| publishDate |
2007 |
| url |
http://hdl.handle.net/10261/13148 |
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