Table 4 Mineral status of O. niloticus fed with 2% BC supplementation.

From: Effectiveness of feeding different biochars on growth, digestibility, body composition, hematology and mineral status of the Nile tilapia, Oreochromis niloticus

Test diets

BC

Ca

Na

P

Cu

Zn

Fe

K

I

CON

36.15 ± 3.1c

33.84 ± 0.51ab

38.99 ± 3.12d

48.52 ± 2.72e

43.75 ± 1.67e

49.55 ± 1.1e

39.43 ± 0.52bc

II

CSBC

50.79 ± 2.5b

26.56 ± 13.6b

58.04 ± 0.44b

61.55 ± 2.20b

58.15 ± 0.85b

63.52 ± 0.6b

47.64 ± 14.78ab

III

WSBC

43.95 ± 1.1b

31.88 ± 7.28ab

54.89 ± 0.89b

57.53 ± 0.50c

53.91 ± 1.04c

60.70 ± 0.5c

46.27 ± 8.27abc

IV

CCBC

56.81 ± 1.0a

52.61 ± 3.61b

66.32 ± 0.35a

66.21 ± 1.17a

68.92 ± 0.74a

68.87 ± 1.6a

61.07 ± 3.53a

V

HWBC

15.48 ± 3.7e

19.17 ± 6.63b

33.16 ± 2.91e

40.02 ± 3.20g

33.98 ± 1.94g

41.27 ± 1.7g

25.89 ± 5.03c

VI

GWBC

23.82 ± 3.6d

27.14 ± 2.35b

33.92 ± 1.80e

40.63 ± 1.85f

37.93 ± 1.02f

44.50 ± 1.4f

26.58 ± 8.60c

VII

GwBC

47.84 ± 0.6b

17.89 ± 9.49b

49.36 ± 0.65c

51.54 ± 1.04d

51.42 ± 0.21d

51.24 ± 0.7d

52.47 ± 0.29ab

  1. Biochar (BC), Control (CON, TD- I), cotton stick BC (CSBC, TD-II), wheat straw (WSBC, TD-III), corn cob (CCBC, TD-IV), house waste (HWBC, TD-V), grass waste (GWBC, TD-VI), and green waste (GwBC, TD-VII). a–gMeans of columns with different superscripts possess a significant difference (p < 0.05) and the data comprises the means of 3 replicas.