212486.fig.002a
(a)
212486.fig.002b
(b)
212486.fig.002c
(c)
212486.fig.002d
(d)
Figure 2: Comparison of (a) yolk sac weight (YS), (b) yolk fat content (YF), (c) fat uptake (FU), and (d) yolk-free body weight (YFBW) of Ross (broiler-type) and Lohmann (layer-type) hatchlings in ovo injected with different concentrations of AgNano (50, 75, and 100 mg/kg) and the control (no injection) at 24 h after hatching. Mean values and standard errors of 4 treatments, each containing 10 chicks. a,bSignificant difference ( ) between treatments.