Yunling cattle is a three-way crossbred, of which the make-up of Yunling cattle is 1/2 Brahman, 1/4Murray Grey and 1/4 Y......

目的 本研究探讨转Bt（bacillus thuringiensis）基因糙米对生长猪生长和产肉性能及血液学指标的影响。方法 选取80日龄（35.76±2.5......