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Dynamics of forage mass, air temperature and animal performance in a silvopastoral system of Uruguay

Authors
  • Fedrigo, Jean K.1
  • Santa Cruz, R.1
  • Benítez, V.1
  • Courdin, V.2
  • Ferreira, G.3
  • Posse, J. P.3
  • Viñoles, C.1
  • 1 Universidad de la República, Ruta 26, km 408, Bañados de Medina, Melo, Uruguay , Melo (Uruguay)
  • 2 Universidad de la República, Paysandú, Uruguay , Paysandú (Uruguay)
  • 3 Universidad de la República, Tacuarembó, Uruguay , Tacuarembó (Uruguay)
Type
Published Article
Journal
Agroforestry Systems
Publisher
Springer-Verlag
Publication Date
Dec 04, 2018
Volume
93
Issue
6
Pages
2197–2204
Identifiers
DOI: 10.1007/s10457-018-0335-2
Source
Springer Nature
Keywords
License
Yellow

Abstract

This work studies the effects of forestation on forage mass and its chemical composition, as well as mean air temperature and their impact on beef cattle performance and grazing behaviour when compared to a natural grassland system. The systems comprised 100% natural grassland from the Campos biome (NG) and forested land (FL) 60% 6 y.o. Pinus taeda (500 trees per hectare) and 40% of natural grassland. We found that the crude protein composition of the pasture growing under the trees was higher, while mean air temperature was lower during the hot season. This changed the grazing pattern of the cattle, and was associated with higher average daily gain of the animals grazing in FL. We conclude that the introduction of trees in natural grasslands changed the environmental conditions, providing a better thermic and nutritive situation for growing grazing cattle that ultimately results in an increase in their productivity.

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