Effects of In Ovo Injection of Coenzyme Q10 on Hatchability, Subsequent Performance, and Immunity of Broiler Chickens

Table 4

Effect of different levels of Q10 on immune organ and yolk sac weights (g) of chicken at different ages.

Item	Sham control	Un-injected control	Q10, 0.1 mL/egg	Q10, 0.2 mL/egg	SEM	P-value
		at day of hatching (g/100g BW)
Bursa of Fabricius	0.193	0.189	0.207	0.207	0.020	0.014
Spleen	0.071	0.073	0.071	0.078	0.021	0.537
Yolk sac	8.4	7.82	7.27	7.04	0.111	0.001
		At 42 days of age (g/100g BW)
Bursa of Fabricius	0.082	0.075	0.111	0.112	0.01	0.002
Spleen	0.093	0.103	0.145	0.141	0.01	0.012
Liver	3.49	3.45	2.97	2.51	0.06	0.011

Means with common letters in the same columns are not significantly different (P>0.05). SEM: standard error of the means; Q10: coenzyme Q10.