Parameters (% DM unless specified)

Spirulina

Reference feeds

Lake Arenguade

Lake Chitu

Soybean

Nuge cake

Dry matter (%)

96.42 ± 0.06^b

96.44 ± 0.06^b

98.46 ± 0.13^a

98.66 ± 0.13^a

Ash

26.18 ± 0.08^a

23.03 ± 0.08^b

8.6 ± 0.16^d

12.39 ± 0.16^c

Crude fiber

4.60 ± 0.14^c

4.20 ± 0.14^c

6.80 ± 0.28^b

11.50 ± 0.28^a

Ether extract

13.30 ± 0.08^a

11.80 ± 0.08^b

8.80 ± 0.17^d

10.80 ± 0.17^c

Neutral detergent fiber

19.60 ± 0.37^b

18.80 ± 0.37^b

19.90 ± 0.74^b

39.17 ± 0.74^a

Acid detergent fiber

7.02 ± 1.01^b

6.40 ± 1.01^b

12.60 ± 2.03^b

23.80 ± 2.03^a

Acid detergent lignin

1.80 ± 0.14^c

1.58 ± 0.14^c

4.08 ± 0.28^b

13.30 ± 0.28^a

Crude protein

33.30 ± 0.05^a

31.30 ± 0.05^b

29.60 ± 0.01^c

22.20 ± 0.01^d

ME (kcal/kg)

3203 ± 12.6^b

3281 ± 12.6^b

3474 ± 25.18^a

3011 ± 25.18^c

IVDMD (%)

96.67 ± 0.18^a

95.34 ± 0.18^b

92.67 ± 0.36^c

65.43 ± 0.36^d