Table 1.

Proximate composition (g kg⁻¹ dry matter, DM) and gross energy (MJ kg⁻¹ DM) of the reference and experimental diets with inclusion of microalgae in substitution of the reference diet.

	Diet
	Reference	Chlorella vulgaris			Nannochloropsis oceanica			Tetradesmus obliquus
		0.5%	1.0%	1.5%	0.5%	1.0%	1.5%	0.5%	1.0%	1.5%
DM, g/kg	924	924	925	925	924	925	925	924	925	925
Ash	125	125	125	125	126	127	128	125	125	125
Crude protein	252	253	254	255	252	252	252	253	254	254
Total lipids	81.0	81.1	81.2	81.3	81.3	81.6	81.9	81.0	81.0	81.0
Neutral detergent fiber	228	228	227	227	228	227	227	228	228	228
Acid detergent fiber	56.7	56.9	57.1	57.3	56.6	56.6	56.5	57.0	57.3	57.6
Starch	311	310	308	307	309	308	306	309	308	306
Gross energy	18.3	18.3	18.3	18.3	18.3	18.3	18.3	18.3	18.3	18.3