Table 1: Total oxygen consumption (O2), carbon dioxide production (CO2), and heat production (HP) of layer (Lohmann-Lo) and broiler (Ross-Ro) hatchlings in ovo injected with different concentrations of AgNano (50, 75, and 100 mg/kg) and the control (no-injection, C) measured at embryonic days 13 to 191.

O2
mL h−1
CO2
mL h−1
HP
J h−1

Treatment
 10013.2a8.4a255a
 7513.7b8.9b267b
 5013.2a8.3a255a
 C14.3b9.3b279b
Breeder strain
 Lohmann12.7a8.0a245a
 Ross14.6b9.6b284b
 SE2 0.121 0.124 2.45
P value
 Treatment0.001<0.0001<0.0001
 Breeder strain<0.0001<0.0001<0.0001
 Treatment   strain0.640.060.06

Within columns: means with different superscripts differed significantly ( ).
1Mean values of 4 treatments, each containing 24 embryos per breeder strain.
2Pooled standard error.