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. 2013 Apr 1;8(4):e59637. doi: 10.1371/journal.pone.0059637

Figure 7. Plasma uric acid concentration of embryos incubated at two different eggshell temperatures (study III).

Figure 7

Plasma uric acid concentration of embryos incubated at a normal (37.8°C) or high (38.9°C) eggshell temperature (EST) from day 10.5 of incubation onward. *Significant difference between EST treatments (P<0.05). At day 17.5, 17.8, 18.2, and 18.9 of incubation, no chickens were hatched yet. At day 19.7 of incubation, 22% of the chickens of the high EST treatment and 10% of the chickens of the normal EST treatment were hatched. At day 20.4 of incubation, 80% of the chickens of the high EST treatment were hatched and all chickens of the normal EST treatment were hatched. At day 20.9 and 21.6 of incubation, all chickens had been hatched.