Density bulk and quality of Tanzania grass layers (<em>Panicum maximum</em> Jacq.cv. Tanzania-1), at different heights in grazing

  • Fabíola Cristiane de Almeida Rêgo UEM
  • Ulysses Cecato UEM
  • Marcos Weber do Canto UEM
  • Geraldo Tadeu dos Santos UEM
  • Sandra Galbeiro UEM
  • Josmar Almeida Junior UEM
DOI: https://doi.org/10.4025/actascianimsci.v23i0.2598

Abstract

The effect of different sward heights (24; 26; 43; 45; 52; 62; 73 and 78 cm) on forage quality and profile structure Tanzania grass, Panicum maximum Jacq. cv. Tanzania – 1 (Poaceae) is provided. Nelore steers were used in grazing at variable stocking rates with put and take technique. The experimental design was completely randomized, with two replications. Total dry matter bulk densitity (TDMD) increased during experimental period, while the leaf blade dry matter bulk density (LDMD) was not influenced by period on by sward height. The upper layers had the best quality with higher LDMD and CP levels. Lower layers had the worst quality, due the higher TDMD and lower LDMD. This fact caused higher ADF and NDF levels and lower CP levels. Leaf blade mineral content was higher than that of stem, and remained unaltered in relation to the different layers.

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Author Biography

Ulysses Cecato, UEM
Professor titular da Universidade Estadual de Maringá na área de Forragicultura/Pastagem e se formou em Zootencnia pela Universidade Federal de Santa Maria (1976), mestrado em Zootecnia - Forragicultura/Pastagem pela Universidade Federal de Santa Maria (1981) e doutorado em Zootencia - Produção animal pela Universidade Estadual Paulista Júlio de Mesquita Filho (1993). Tem experiência na área de Zootecnia, com ênfase em Ecologia e manejo de pastagens e avaliação, produção e eonservação de Forragens, atuando principalmente nos seguintes temas: ecofisilogia de palantas forrageiras e produção de carne e leite em pastagem href="href="http://lattes.cnpq.br/9810371040457676 " target="_blank">Currículo Lattes"_blank">Currículo Lattes
Published
2008-05-09
How to Cite
Rêgo, F. C. de A., Cecato, U., Canto, M. W. do, Santos, G. T. dos, Galbeiro, S., & Almeida Junior, J. (2008). Density bulk and quality of Tanzania grass layers (<em>Panicum maximum</em&gt; Jacq.cv. Tanzania-1), at different heights in grazing. Acta Scientiarum. Animal Sciences, 23, 801-807. https://doi.org/10.4025/actascianimsci.v23i0.2598
Issue
Vol 23 (2001)
Section
Animal Science

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