Track 1-11: Advances in Forage Conservation to Improve Quality

Description

Pioneiro grass (Pennisetum purpureum Schumach) has gained importance in silage production mainly due to its robust habit, perenniality and high yield capacity, although its typically high moisture content may influence negatively its potential for ensiled conservation. High moisture content at the time of ensilage has resulted in increased losses by gases and effluents (Balsalobre et al. 2001, Nussio 2005). Despite these losses, the high yields of tropical forages still justifies their use and study as roughage and silage in ruminant nutrition.

Although tropical forages present an interesting alternative for conservation, maize silage still has widespread use across different systems because of its set of favorable natural characteristics for fermentation resulting in production of high quality silage (Anaya-Ortega et al. 2009). An experiment was conducted to evaluate the individual and combined effect of maize and Pioneiro grass on the total losses of the silages.

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Total Accumulative Losses during the Fermentation of Pioneiro Grass (Pennisetum purpureum Schumach) Silages with Addition of Whole Plant Maize and Maize Grain

Pioneiro grass (Pennisetum purpureum Schumach) has gained importance in silage production mainly due to its robust habit, perenniality and high yield capacity, although its typically high moisture content may influence negatively its potential for ensiled conservation. High moisture content at the time of ensilage has resulted in increased losses by gases and effluents (Balsalobre et al. 2001, Nussio 2005). Despite these losses, the high yields of tropical forages still justifies their use and study as roughage and silage in ruminant nutrition.

Although tropical forages present an interesting alternative for conservation, maize silage still has widespread use across different systems because of its set of favorable natural characteristics for fermentation resulting in production of high quality silage (Anaya-Ortega et al. 2009). An experiment was conducted to evaluate the individual and combined effect of maize and Pioneiro grass on the total losses of the silages.