结果表明：强饲量和排泄物收集时间对代谢能测定值的影响因饲料类型不同而异。
The results showed that: the ME values changed with the level of intake and excretion periods.
随着收集时间的延长，排泄物量增大，鹅对饲料干物质的利用率和代谢能值下降。
The amount of dry matter excretion increased and the digestibility of dry matter and the AME, TME values decreased with the prolonging of the excreta collection time.
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