Table 7.

Effect of GPE supplementation on organ index of meat ducks.

Items1	Diets				SEM	p
	CON	GPE200	GPE400	GPE600
Heart, g/kg	7.57	7.65	7.71	7.94	0.14	0.819
Liver, g/kg	19.22	19.81	19.50	19.06	0.41	0.928
Spleen, g/kg	0.73	0.69	0.89	0.70	0.04	0.255
Lung, g/kg	9.45	9.89	9.02	10.43	0.28	0.338
Glandular stomach, g/kg	3.65	3.56	3.73	3.70	0.11	0.955
Gizzard, g/kg	24.92	26.68	26.19	27.72	0.60	0.421

SEM, standard error (SE) of means.

¹Data are the mean of 6 replicates with 2 ducks each replicate.