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Water Quality, Growth and Feed Efficiency of White Leg Shrimp (Litopenaeus vannamei) Co-Cultured with Red Seaweed (Gracilaria tenuistipitata) Under Partial Reduction of Feeding Rates

Author

Listed:
  • Nguyen Thi Ngoc Anh
  • Nguyen Thanh Huu
  • Huynh Thanh Toi
  • Nguyen Minh Kha

    (College of Aquaculture and Fisheries, Can Tho University, Vietnam)

Abstract

White-leg shrimp Litopenaeus vannamei juveniles (0.95±0.03g initial weight) and red seaweed Gracilaria tenuistipitata were co-cultured in 250-L tanks for 75 days. Five feeding treatments were performed, with the control group (monoculture) being fed a commercial shrimp feed at 100% feed ration (8% of biomass per day), while shrimp in the four other groups were co-cultured with red seaweed and received commercial feed at 85%, 70%, 55% and 40% of the feeding ration of the control. The results showed that the concentrations of the TAN, NO2-, NO3-, TN, PO43-, TP, and COD in the co-culture tanks were significantly lower than in the monoculture. Survival, growth rates and production of the shrimp fed at 85%, 70% and 55% feed ration of the control were superior to those in the control group (p

Suggested Citation

  • Nguyen Thi Ngoc Anh & Nguyen Thanh Huu & Huynh Thanh Toi & Nguyen Minh Kha, 2019. "Water Quality, Growth and Feed Efficiency of White Leg Shrimp (Litopenaeus vannamei) Co-Cultured with Red Seaweed (Gracilaria tenuistipitata) Under Partial Reduction of Feeding Rates," Oceanography & Fisheries Open Access Journal, Juniper Publishers Inc., vol. 11(3), pages 42-48, December.
    • Handle: RePEc:adp:jofoaj:v:11:y:2019:i:3:p:42-48
    DOI: 10.19080/OFOAJ.2019.11.555813
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