Research Article

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).

ItemSham controlUn-injected controlQ10, 0.1 mL/eggQ10, 0.2 mL/eggSEMP-value

1-21 days of age

FI (g)46.2246.8351.5753.421.160.009
WG (g)26.9127.0232.5933.801.130.044
FCR1.721.731.601.580.04

22-42 days of age

FI (g)151.46149.60152.17152.381.440.034
WG (g)75.3474.1779.6278.451.390.003
FCR2.012.021.911.940.030.001

1-42 days of age

FI (g)104.85106.111.58111.541.60.002
WG (g)52.7552.0558.0360.131.240.047
FCR1.992.061.931.860.040.039

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.