Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
681488 | Bioresource Technology | 2012 | 4 Pages |
This study investigated the feasibility of using Yucca schidigera extract (YUPE) to reduce ammonia pollution resulting from shrimp farming. YUPE was added at ratios of 18, 36, and 72 mg L−1 to effluent from an experimental shrimp culture system containing total ammonia nitrogen (TAN) of 0.592, 0.672, and 0.718 mg L−1. TAN reduction increased with an increase in YUPE, and at 18 mg L−1 reduced TAN by 71–72% and 86–87% at 6 and 24 h, respectively. Shrimp feed containing YUPE at 300, 600, and 1200 mg kg−1 was submerged, allowing the ammonia to leach out. The addition of YUPE in feed reduced TAN leaching by 50–83% compared with the control. The application of YUPE in water or feed could considerably reduce the accumulation of ammonia in waste water discharge during shrimp production, thereby providing a feasible solution to ammonia pollution in coastal environments.