Table 3 Effect of seaweed (Ulva lactuca) and Azolla feed supplement on growth, shank length, feed intake, average daily gain and feed conversion (mean ± SE)

Period (days)

60

60

60

60

Initial weight (g)

273 ± 21.294^a

319.4 ± 18.025^a

305.6 ± 21.220^a

292.4 ± 15.863^a

Final weight (g)

841.7 ± 20.579^a

1020.8 ± 54.861^b

840.2 ± 18.274^a

1108.8 ± 58.686^b

Gain weight (g)

568.7 ± 8.723^b

701.4 ± 48.045^a

534.6 ± 13.733^b

816.4 ± 44.509^a

Initial shank length (g)

64.2 ± 0.929^ab

61.5 ± 1.035^bc

66.2 ± 1.073^a

57.1 ± 1.140^c

Final shank length (g)

111.9 ± 1.629^ab

114.8 ± 2.426^a

106.9 ± 1.84^b

117.2 ± 1.381^a

Gain in shank length (g)

47.7 ± 1.868^c

53.3 ± 2.508^b

40.7 ± 2.418^d

57.1 ± 1.545^a

Average daily gain (g)

9.48 ± 0.146^b

11.69 ± 0.801^a

8.91 ± 0.229^b

13.61 ± 0.742^a

Feed intake (g)

2707.01 ± 41.521^a

2805.60 ± 192.182^a

2715.77 ± 69.765^a

2767.60 ± 150.885^a

Feed conversion

4.76 ± 0.005^b

4.00 ± 0.068^c

5.08 ± 0.270^a

3.39 ± 0.008^d