Fatty Acid Composition of Egg Yolk from Chickens Fed a Diet including Marigold (Tagetes erecta L.)

Table 3

The effects of diets supplemented with different levels of Tagetes erecta L. on the egg parameters¹.

Supplementation of Tagetes erecta L. (g/kg)
	0	10	20	SEM
Egg weight (g)	69.67	69.99	68.58	1.02
Albumen weight (g/egg)	45.27	44.28	43.06	1.20
Yolk weight (g/egg)	18.80	18.71	18.78	0.23
Shell weight (g/egg)	6.64	6.69	6.72	0.17
Yolk %	27.44	26.98	27.53	0.41
Albumen %	64.49	63.43	62.62	0.87
Shell %	9.58	9.58	9.83	0.24
Albumen index	7.87	7.80	7.32	0.31
Yolk index	41.99	40.86	40.67	0.53
Shape index	73.50	73.41	73.77	0.38
Haugh unit	69.54	68.79	67.85	1.96
Shell thickness (mm·10^−2)	0.36	0.36	0.38	0.01
Shell strength (kg/cm^2)	1.03^b	1.32^a	1.15^ab	0.09
^2RCF values	9.77^b	10.40^ab	10.77^a	0.18

Eggs were collected in last week of the study and values are expressed as means and without a common superscript are significantly different within a row ( < 0.05).
²RCF: Roche color fan.