Effects of In Ovo Injection of Coenzyme Q10 on Hatchability, Subsequent Performance, and Immunity of Broiler Chickens
Table 3
Effect of different levels of Q10 on feed intake, body weight gain, and FCR of chickens at different ages (g).
Item
Sham control
Un-injected control
Q10, 0.1 mL/egg
Q10, 0.2 mL/egg
SEM
P-value
1-21 days of age
FI (g)
46.22
46.83
51.57
53.42
1.16
0.009
WG (g)
26.91
27.02
32.59
33.80
1.13
0.044
FCR
1.72
1.73
1.60
1.58
0.04
22-42 days of age
FI (g)
151.46
149.60
152.17
152.38
1.44
0.034
WG (g)
75.34
74.17
79.62
78.45
1.39
0.003
FCR
2.01
2.02
1.91
1.94
0.03
0.001
1-42 days of age
FI (g)
104.85
106.
111.58
111.54
1.6
0.002
WG (g)
52.75
52.05
58.03
60.13
1.24
0.047
FCR
1.99
2.06
1.93
1.86
0.04
0.039
Means with common letters in the same columns are not significantly different (P>0.05). SEM: standard error of the means; FI: feed intake; WG: weight gain; FCR: feed conversion ratio; Q10: coenzyme Q10.