this study evaluated the effects of non-fermented red ginseng marc (RGM) in a commercial liquid feeding system on growth performance, nutrient digestibility, blood profiles, fecal short-chain fatty acids (SCFA), and pork quality in growing-finishing pigs. A total of 480 crossbred pigs ([Yorkshire × Landrace] × Duroc) with an average body weight of 32.64 ± 0.12kg were arranged for a 12-week feeding trial. Experimental pigs were allotted to one of four treatments in 3 replicates of 40 pigs per pen by body weight and sex in a randomized complete block (RCB) design. Dietary red ginseng marc (0, 2%, 3%, 6%) was added to each experimental diet via a liquid feeding system. final body weight decreased linearly with increasing dietary RGM (p= 0.05). Average daily gain during weeks 10-12 showed both linear and quadratic responses (p= 0.02), and overall average daily gain during weeks 0-12 decreased linearly (p= 0.03). Average daily feed intake decreased linearly during weeks 4-6, 7-9, 10-12, and overall (p≤ 0.05). During weeks 7-9, fecal acetate and butyrate increased linearly (p= 0.05 and p= 0.03, respectively), whereas during weeks 10-12, acetate, propionate, butyrate, and total SCFA were reduced at the highest inclusion level. Similarly, blood urea nitrogen (BUN) decreased linearly at measured points (p=0.04, p=0.05, p=0.04, respectively). Glucose increased linearly at weeks 9 and 12 (p=0.04; p=0.02), and total cholesterol decreased linearly at week 12 (p=0.04). Under the present commercial liquid feeding conditions, inclusion of non-fermented RGM at 2% or 3% did not impair growth performance, whereas 6% reduced feed intake and growth during the finishing period.