ANN-0051
QUESTION
The pH of good silage is?
OPTIONS
(A) 7
(B) 4
(C) 6
(D) 3.5
ANSWER
(B) 4
EXPLANATION
Good silage undergoes lactic-acid fermentation and typically reaches a pH around 4, sufficiently acidic to inhibit undesirable microorganisms. A pH of 6 or 7 indicates inadequate fermentation, while 3.5 is lower than the usual target for good conventional silage.
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