| Abstract: | One trial was conducted to study nutrition digestibility of Euchsaena mexicana Schrad (EMC) diets for Wulong Goose.Thirty-two geese of 9 months old were selected and divided into four groups randomly, with eight geese in each group.Four groups were fed with the isocaloric and isonitrogenous diets of different EMC contents (12, 19, 25 and 31%),respectively. The results showed that, as dietary EMC increased, dry matter (DM) digestibility was decreased significantly,meanwhile the digestibility of crude fiber (CF), neutral detergent fiber (NDF) and acid detergent fiber (ADF) increased significantly (P＜0.05). The ratio of apparent essential amino acid (EAA) digestibility (except Leu) among the four groups had significant difference (P＜0.01). the content of NH3-N in feces dropped (P＞0.05). There were no significant differences in net protein utilization (NPU), N apparent digestibility, N deposition and Ca apparent digestibility in different groups (P＞0.05). The apparent digestibility of P in different groups elevated, while there was significant difference between group D and A (P＜0.01), and there was significant difference between group D and B (P＜0.05). |
