Table 6.

Ingredients and additives of the experimental diets (% as fed basis)

	Experimental diets
Ingredients	Control	CH	CHR	CHM
Corn	56.0	55.5	55.5	55.5
Soybean meal	37.0	26.5	26.5	26.5
Soybean oil	3.60	4.14	4.14	4.14
Sodium chloride	0.330	0.330	0.330	0.330
Calcium carbonate	1.06	1.00	1.00	1.00
Dicalcium phosphate	1.44	1.50	1.50	1.50
DL-Methionine	0.280	0.360	0.360	0.360
L-Lysine	0.000	0.370	0.370	0.370
Vitamin-mineral premix1	0.300	0.300	0.300	0.300
Chlorella vulgaris powder	-	10.0	10.0	10.0
Rovabio® Excel AP	-	-	0.005	-
Mix of 4 CAZymes	-	-	-	0.010

The broilers were fed: (1) a corn-soybean based diet (Control); (2) the based diet plus 10 % C. vulgaris (CH); (3) diet 2 supplemented with 0.005 % Rovabio^® Excel AP; and (4) diet 2 supplemented with 0.01 % of a pre-selected four-CAZyme mixture (CHM)

¹ Premix provided the following nutrients per kg of diet: pantothenic acid 10 mg, vitamin D₃ 2400 IU, cyanocobalamin 0.02 mg, folic acid 1 mg, vitamin K₃ 2 mg, nicotinic acid 25 mg; vitamin B₆ 2 mg, vitamin A 10,000 UI, vitamin B₁ 2 mg, vitamin E 30 mg, vitamin B₂ 4 mg, Cu 8 mg, Fe 50 mg, I 0.7 mg, Mn 60 mg, Se 0.18 mg, Zn 40 mg