Effect of microbial inoculation on intake, degradation in situ and apparent digestibility of elephant grass cultivar Napier (Pennisetum purpureum) silages

Guim, A.; Ruggieri, A.C.; Andrade, P. de; Malheiros, E.B.

Revista da Sociedade Brasileira de Zootecnia 24(6): 1054-1061


Accession: 002814920

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In 2 experiments the effect of inoculation with a microbial preparation (EM produced by the Mokiti Okada Foundation) containing yeasts (Saccharomyces) and lactic acid bacteria (Lactobacillus, Pediococcus) on nutritive value of elephant grass (Pennisetum purpureum) silages was studied. Apparent digestibility was estimated in a randomized block experiment with 2 ways of estimating digestibility (considering or not the composition of orts) in 6 sheep. Sheep, in individual cages, were given silage prepared from fresh forage and 9% maize meal with (IS) or without (CS) inoculant or inoculated wilted grass silage (WIS). There was no difference in digestibility between treatments IS and CS. Values were lower for WIS. Intake per unit metabolic weight was lower for IS. Digestibility in situ was estimated for the 3 different silages in a 3 x 3 Latin square experiment with 3 incubation times (6, 24 and 96 h) in 3 fistulated steers. DM and NDF degradation was lower for WIS than for IS and CS. DM degradability was lower for IS than CS. There was no difference in NDF degradation.