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Rumen Models

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Rumenology

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Abstract

When ruminants consume some sort of feed, especially forage, a part of the organic matter ingested returns to the mouth to be chewed, and then swallowed again (Russell 2002). Consequently, part of this feed is degraded by ruminal microorganisms, which produce short-chain fatty acids (SFCA) that will supply the energy requirements of the host; whereas the particles that were not degraded, especially those smaller than 1.18 mm, by pass to the omasum via reticular-omasal orifice. In general, the facts just described is what happens during the day as a result of feeding of ruminants; however, it’s needed to understand the fermentation dynamic of various feedstuffs, as well as their rate of passage through the rumen and nutritional implications related to animal performance.

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Authors and Affiliations

  1. Purina Animal Nutrition LLC, Shoreview, MN, USA

    Gustavo D. Cruz Ph.D.

  2. São Paulo State University (UNESP), Dracena, São Paulo, Brazil

    Danilo Domingues Millen & André Luiz Nagatani Rigueiro

Authors
  1. Gustavo D. Cruz Ph.D.
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  2. Danilo Domingues Millen
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  3. André Luiz Nagatani Rigueiro
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Corresponding author

Correspondence to Gustavo D. Cruz Ph.D. .

Editor information

Editors and Affiliations

  1. Sao Paulo State University (UNESP), Dracena, São Paulo, Brazil

    Danilo Domingues Millen

  2. Breeding and Animal Nutrition Department, Sao Paulo State University (UNESP), Botucatu, São Paulo, Brazil

    Mario De Beni Arrigoni

  3. Mato Grosso State Agricultural Research and Extension Company (EMPAER), Várzea Grande, Mato Grosso, Brazil

    Rodrigo Dias Lauritano Pacheco

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© 2016 Springer International Publishing Switzerland

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Cruz, G.D., Millen, D.D., Rigueiro, A.L.N. (2016). Rumen Models. In: Millen, D., De Beni Arrigoni, M., Lauritano Pacheco, R. (eds) Rumenology. Springer, Cham. https://doi.org/10.1007/978-3-319-30533-2_10

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