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Microbial-N supply and milk yield cows in a silvopastoral system with and without access to the forage tree and energy supplementation during the dry season

Published online by Cambridge University Press:  23 November 2017

V. Valdivia ,
C.A. Sandoval-Castro ,
K. Otaduy  and
J.C. Ku-Vera
V. Valdivia
Affiliation:
Universidad Católica del Trópico Seca, Estelí, Nicaragua
C.A. Sandoval-Castro*
Affiliation:
University of Yucatán, Mérida, Yucatán, Mexico
K. Otaduy
Affiliation:
SERIDA, Asturias, Spain
J.C. Ku-Vera
Affiliation:
University of Yucatán, Mérida, Yucatán, Mexico
*
Email:csandovalcastro@gmail.com
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Extract

Supplementation with legume fodder during the dry season is a strategy to improve animal performance. The results obtained in silvopastoral systems has been explained either by their ingestion of a higher quality grass (Hernandez et al., 2001, Iglesias, 1998) resulting from the inclusion of a legume in the system which provide N for grass growth or due to the intake of the legume itself, which in turn is also of higher quality than grass (Kakengi et al., 2001), and provides a higher microbial-N supply (Karda and Dryden, 2001). The objective of the present work was to discriminate, in a silvopastoral system, the effect of improved grass quality and legume intake (L. leucocephala) on rumen fermentation, microbial N supply, milk yield and composition of dual purpose lactating cows.

Type
Theatre Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2007 , April 2007 , pp. 131
Copyright
Copyright © The British Society of Animal Science 2007

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References

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