Parameters (g/bird) | Mean | Pooled | Treatment*Age | |
---|---|---|---|---|
Control | AgNP | SE | p-value | |
AWG | ||||
 Age 15 | 380a | 318b |  |  |
 Age 22 | 788a | 722b |  |  |
 Age 30 | 1424a | 1346b | 0.305 | 0.013 |
Heart | ||||
 Age 15 | 0.71 | 0.70 |  |  |
 Age 22 | 0.62 | 0.66 |  |  |
 Age 30 | 0.47 | 0.50 | 9.17 | 0.340 |
Bursa | ||||
 Age 15 | 0.25 a | 0.20b |  |  |
 Age 22 | 0.21 | 0.22 |  |  |
 Age 30 | 0.20 | 0.20 | 5.08 | 0.003 |
Spleen | ||||
 Age 15 | 0.09 | 0.11 |  |  |
 Age 22 | 0.07 | 0.07 |  |  |
 Age 30 | 0.07a | 0.05b | 2.31 | <0.001 |
Liver | ||||
 Age 15 | 2.71 | 2.82 |  |  |
 Age 22 | 2.52 | 2.56 |  |  |
 Age 30 | 2.01 | 2.00 | 0.003 | 0.657 |
Abnormalities | At age 30, big gall bladder was found from 2 out of 15 birds in AgNP group |