1200
 0 o 0
 1000 -


 E 800 -
 0)
 C-
 600 -


 Z 400 -
 LL

 200 o0 *
 *
 0 o0


 0 20 40 60 80 100 120

 Embryo length (mm)
Figure 3-2. Relationship between embryo length and IFN-T secretion for control embryos (black
 circles) and IGF-1 embryos (open circles) recovered at Day 14 in experiment 2. The
 correlation between embryo length and IFN-T secretion was r = 0.9 (P < 0.001).