方法氮平衡试验。
氮平衡试验表明，IL可提高干物质消化率和氮利用效率。
From the N balance trials, it can be inferred that broiler reared under IL have improved DM digestibility andefficancy of dietal N retention.
摘要本试验旨在研究不同粗饲料组合对山羊饲粮养分表观消化率及氮平衡的影响。
Abstract: This experiment was conducted to investigate the effects of different roughage combinations on dietary nutrient apparent digestibility and nitrogen balance of goats.
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