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Provedor de dados:  Animal Sciences
País:  Brazil
Título:  eaf tissue flows in ryegrass managed under different stocking rates
Autores:  Silva, Mônique Foggiato da
Rocha, Marta Gomes da
Pötter, Luciana
Sichonany, Maria José de Oliveira
Ribeiro, Laila Arruda
Hundertmarck, Anelise Pereira
Data:  2015-05-21
Ano:  2015
Palavras-chave:  5.04.04.00-8 forage intake
Frequency of defoliation
Intensity of defoliation
Morphogenesis
Supplementation.
Resumo:  Morphogenetic, structural variables and leaf biomass flows of Italian ryegrass (Lolium multiflorum Lam.) were evaluated under two stocking rates: ‘Low’ and ‘High’. These rates were determined by heifers exclusively on pasture or on pasture and supplemented with corn grain. The experimental design was completely randomized following a repeated measure arrangement, two stocking rates, two and four replications of area for the stocking rates ‘low’ and ‘high’, respectively. The morphogenetic variables, the number of green leaves and tiller density were similar in both stocking rates. Leaf senescence rate was higher with low stocking rate. Heifers grazed with similar intensity and frequency in both stocking rates. The increase by 33.6% in the stocking rate caused by the use of supplement does not change the leaf biomass flow of Italian ryegrass, but alters its potential efficiency of use near the reproductive stage of the plant. 
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/24898

10.4025/actascianimsci.v37i2.24898
Editor:  Editora da Universidade Estadual de Maringá
Relação:  http://periodicos.uem.br/ojs/index.php/ActaSciAnimSci/article/view/24898/pdf_81
Formato:  application/pdf
Fonte:  Acta Scientiarum. Animal Sciences; v. 37, n. 2 (2015); 115-121

Acta Scientiarum. Animal Sciences; v. 37, n. 2 (2015); 115-121

1807-8672

1806-2636
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