Table 1. Composition of experimental diets.

Ingredient	Normal	Control	0.01%Ax	0.1%Ax
	%
Cornstarch	39.7486	39.7486	39.7486	39.7486
Casein	20.0	20.0	20.0	20.0
Dextrinized corn starch	13.2	13.2	13.2	13.2
Sucrose	10.0	10.0	10.0	10.0
Soybean oil	7.0	7.0	6.99	6.9
Cellulose powder	5.0	5.0	5.0	5.0
AIN-93G mineral	3.5	3.5	3.5	3.5
AIN-93G vitamin	1.0	1.0	1.0	1.0
ʟ-Cystine	0.3	0.3	0.3	0.3
Choline bitartrate	0.25	0.25	0.25	0.25
Buthyl hydroxy toluene	0.0014	0.0014	0.0014	0.0014
Astaxanthin monoester	0	0	0.0144	0.1436
(Astaxanthin equivalent)			(0.01)	(0.1)
Total	100	100	100	100