Layers were fed basal diets (Control) or basal diets
supplemented with 0.5% Ginkgo-leaves fermented with Candidautilis (CF group),
Aspergillusniger (AF group), or their combined fermentation (CAFgroup),respectively,
for an 8-week feeding trial. Compared with the control group,AF and CAF supplementa-
tion improved (Po0.05) laying rate and feed conversion ratio.