Our study sought to determine the effects of increasing the pulverous diet content of fat levels on energy and protein m......

本试验使用６×２因子设计，研究了环境温度（５℃￣３５℃，６个处理）和日粮能量浓度（２．８和３．２Ｍｃａｌ／ｋｇ，２个水平）对巴布考克型种公鸡血浆皮质酮水平的影响。结果表明：环......