Pressing of forage and addition of ground corn ears at the ensiling of elephantgrass. 1-Composition of the forage prior to ensiling

Andrade, J.B. de; Ferrari Junior, E.; Leite, V.B. de O.; Narciso Sobrinho, J.; Martelo, V.P.

Boletim de Industria Animal 55(1): 71-79


Accession: 003240240

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The effect of forage pressing and addition of ground corn ears on the ensiling of elephant grass (Pennisetum purpureum cv. Guacu), cut at 2 stages, was evaluated in a randomized block design with 3 replicates. Treatments were arranged in a 2 x 2 x 2 factorial: 2 stages, 2 forage types (fresh and pressed) and 2 levels of ground corn ears (0 and 6%). Following standardization cuts, the grass was fertilized with 80 kg of P2O5 and 100 kg of N and K2O/ha. Forage was cut on 18 April, 1997 and fresh and pressed forages, with or without ground corn ears, were ensiled in 200-litre vessels. The pressing was achieved by regulating pressure at 10 kg/cmsuperscript 2. Both pressing and addition of ground corn ears increased the DM content of material prior to ensiling. Pressing caused a small reduction in soluble carbohydrate content and an increase in NDF but decreased buffering capacity.