Glyphosate in oat desiccation for haylage harvest at different wilting times

  • Egon Henrique Horst Universidade Estadual do Centro-Oeste https://orcid.org/0000-0002-4380-8486
  • Mikael Neumann Universidade Estadual do Centro-Oeste
  • Murilo Klosovski Carneiro Universidade Estadual do Centro-Oeste
  • Cherlyson Czelusniak Universidade Estadual do Centro-Oeste
  • Antônio Vinicius Iank Bueno Universidade Estadual de Maringá
  • Bruno José Venancio Universidade Estadual do Centro-Oeste
  • Maria Eduarda Cozechen Seller Universidade Estadual do Centro-Oeste
  • Paulo Victor Pinheiro Cesar Universidade Estadual do Centro-Oeste
Palavras-chave: black oat; Avena strigosa Schreb; dehydration; NDF digestibility; silage.

Resumo

The objective was to evaluate the ruminal disappearance rate of dry matter and NDF of black oat haylage subjected to mechanical and chemical dehydration and six wilting periods in the field, as follows: 0, 3, 6, 9, 12 and 15 days. Forage haylages were ensiled and stored in PVC mini-silos for 60 days until opening for in situ evaluations. The pre-set ruminal incubation times were: 0, 6, 12, 24, 36 and 48 hours. Regardless of the dehydration time, forage subjected to mechanical dehydration showed ruminal disappearance rates of dry matter and NDF, thus DISDM-48h and DISNDF-48h were superior for this method compared to the chemical method. There was a reduction in DISDM-48h and DISNDF-48h with advancing time of wilting in the field for haylage dehydrated by the chemical method. In general, the chemical dehydration method seems to be more related to better haylage making practices than nutritional factors, where the haylage obtained by mechanical dehydration is superior.

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Publicado
2022-12-08
Como Citar
Horst, E. H., Neumann, M., Carneiro, M. K., Czelusniak, C., Bueno, A. V. I., Venancio, B. J., Seller, M. E. C., & Cesar, P. V. P. (2022). Glyphosate in oat desiccation for haylage harvest at different wilting times . Acta Scientiarum. Animal Sciences, 45(1), e58323. https://doi.org/10.4025/actascianimsci.v45i1.58323
Seção
Forragicultura

0.9
2019CiteScore
 
 
29th percentile
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