This study assessed the effects of additions an essential oil (EO), composed ricinoleic acid, cardol, cardanol, and apple pomace, on fermentation quality aerobic stability alfalfa silages. The experimental treatments consisted T1) (control), T2) with EO, T3) (75%) pomace (25%), T4) (25%) T5) (50%) (50%), T6) T7) (75%), T8) EO. addition decreased silage pH compared control (P <0.01). Apple at...