Feed intake

Authors

  • Daniele Maggioni Universidade Estadual de Maringá
  • Jair de Araújo Marques Universidade Estadual do Sudoeste da Bahia
  • Polyana Pizzi Rotta Universidade Estadual de Maringá
  • Fernando Zawadzki Universidade Estadual de Maringá
  • Roberto Haruyoshi Ito Universidade Estadual de Maringá
  • Ivanor Nunes do Prado Universidade Estadual de Maringá (UEM)

DOI:

https://doi.org/10.5433/1679-0359.2009v30n4p963

Keywords:

Energy, Extrinsic factors, Intrinsic factors, Protein

Abstract

The vast majority of livestock are fed ad libitum, with free access to feed during most of the time. In order to achieve efficient production, it is necessary to raise levels of voluntary feed intake – in general, the more the animal eats, the more it produces and the more efficient it becomes. Intake amounts are guided by nutritional requirements, and an approximate estimate of how much an animal will ingest can be calculated from levels of protein, energy and other nutrients required for maintenance and production. However, there are several factors that can interfere with the concordance between requirements and actual intake, such as feed volume, which can be a determinant factor for achieved intake, especially in ruminants.

Author Biographies

Daniele Maggioni, Universidade Estadual de Maringá

Doutorado Zootecnia – Universidade Estadual de Maringá.

Jair de Araújo Marques, Universidade Estadual do Sudoeste da Bahia

Professor – Departamento de Zootecnia - Universidade Estadual do Sudoeste da Bahia.

Polyana Pizzi Rotta, Universidade Estadual de Maringá

Graduação – Zootecnia Universidade Estadual de Maringá.

Fernando Zawadzki, Universidade Estadual de Maringá

Mestrado – Zootecnia Universidade Estadual de Maringá.

Roberto Haruyoshi Ito, Universidade Estadual de Maringá

Doutorado Zootecnia – Universidade Estadual de Maringá.

Ivanor Nunes do Prado, Universidade Estadual de Maringá (UEM)

Professor Titular – Departamento de Zootecnia - Universidade Estadual de Maringá – Pesquisador I CNPq.

Published

2009-12-20

How to Cite

Maggioni, D., Marques, J. de A., Rotta, P. P., Zawadzki, F., Ito, R. H., & Prado, I. N. do. (2009). Feed intake. Semina: Ciências Agrárias, 30(4), 963–974. https://doi.org/10.5433/1679-0359.2009v30n4p963

Issue

Section

Review Article

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