THE INFLUENCE OF PRESSING TREATMENT AND DIFFERENT DEFOLIATION TIME OF KING GRASS TO VOLATILE FATTY ACIDS AND AMMONIA PRODUCTION IN VITRO



Didiek Rahmadi(1*)

(1) Faculty of Animal Science, Diponegoro University, Semarang, Indonesia
(*) Corresponding Author

Abstract


The objectives of the study were to investigate the production of volatile fatty
acids (VFA) and ammonia (NH,) in vitro of King Grass under unpressed (P0) and
pressed (Pl) condition and difierent time of defoliation (30, 45 and 60 days). Split
plot designs with three replimtions were used in this experiment. The result showed
that defoliation time significantly influenced ('P<0.05) to VFA and NH; productions.
There were no interactions between treatments. Defoliation time (30 days) gave the
highest VFA and NH; productions.


Keywords


King Grass, Defoliation time, Pressing treatment, VFA and NH3

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