Skip to main content
Bulletin of the National Research Centre

Table 2 Metal composition of water samples of ten selected aquaculture ponds (mg/L)

From: Metal contamination and coexistence of metal and antibiotic resistance in Vibrio species recovered from aquaculture ponds with and without history of antibiotic usage in Southwest Nigeria

Metal Pond 1 Pond 2 Pond 3 Pond 4 Pond 5 Pond 6 Pond 7 Pond 8 Pond 9 Pond 10 NESREA limit
Cu 0.01 ± 0.00 0.01 ± 0.02 0.01 ± 0.00 0.01 ± 0.00 0.04 ± 0.01 0.01 ± 0.00 0.01 ± 0.00 0.09 ± 0.01 0.06 ± 0.01 0.01 ± 0.00 0.001
Zn 0.19 ± 0.04 0.22 ± 0.02 0.48 ± 0.04 0.15 ± 0.01 4.58 ± 0.03 0.89 ± 0.06 2.31 ± 0.05 1.96 ± 0.01 1.07 ± 0.03 2.82 ± 0.04 0.01
Pb 0.01 ± 0.00 0.01 ± 0.00 0.01 ± 0.00 0.02 ± 0.00 0.07 ± 0.01 0.19 ± 0.02 0.26 ± 0.02 0.19 ± 0.00 0.29 ± 0.02 0.29 ± 0.02 0.01
Ni ND ND ND ND 0.47 ± 0.03 0.80 ± 0.01 0.22 ± 0.00 0.28 ± 0.03 0.17 ± 0.02 0.39 ± 0.01 0.01
Cr 0.35 ± 0.00 0.87 ± 0.03 1.36 ± 0.11 1.14 ± 0.04 1.43 ± 0.02 1.14 ± 0.05 2.11 ± 0.13 2.63 ± 0.03 2.57 ± 0.00 1.79 ± 0.03 0.001 (Cr6+)
  1. Note: Each value is a mean of three replicate samplings. Ponds 1–5: ponds with history of antibiotic usage; Ponds 6–10: ponds without history of antibiotic usage
  2. Cu copper, Zn zinc, Pb lead, Ni nickel, Cr chromium, ND Not detected, NESREA National Environmental Standards and Regulations Enforcement Agency
Back to article page