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Quản lý chất lượng nước trong ao nuôi trồng thủy sản Nhà Xuất Bản Nông Nghiệp, Thành phố Hồ Chí Minh, (2004) 12 Siikavuopio, S I S., S Sæther, B.S Aquacultural Engineering Aquacultural Engineering 41 (2009): 122-126 13 Sở NN&PTN tỉnh Thừa Thiên Huế Báo cáo tổng kết công tác thủy sản năm 2010 và kế hoạch năm 2011 Sở Nông nghiệp và Phát triển nông thôn tỉnh Thừa Thiên Huế. .. Ventures, Ithaca, NY 14850, USA NRAC Publication No 01-002 (2002) STUDIES ON AMMONIA NITROGEN (NH3) REMOVAL FROM WHITE LEG SHRIMP (Litopenaeus vannamei) FARM WASTEWATER IN THUA THIEN HUE PROVINCE Truong Van Dan, Le Cong Tuan, Nguyen Quang Lich, Vo Thi Phương Anh Hue University of Agriculture and Forestry SUMMARY Ammonia (NH3) is produced mainly from urine and feces excretion; in addition some nitrogenous wastes... the TAN concentration This study used three different treatment methods such as splash board, porcupine-fan and aerator to treat of NH3 in white leg shrimp (Litopenaeus vannamei) wastewater Experimental results indicated that the splash board method gave highest treatment NH3 efficiency at statistical significant level p . Litopenaeus vannamei !" Trương Văn Đàn, Lê Công Tun, Nguyễn Quang. b(o( lX%#<%#Xg(4#X4(1%#fKAY!Y&vP•L`DMC“Nf(Pzf1 RP(CL0CCB?BCCBE( [En[nW Yn'opnn [-WLitopenaeus vannameiYop[npn nn-'n Truong Van Dan, Le Cong Tuan, Nguyen