海兰褐蛋鸡产蛋高峰至后期蛋壳品质的变化特征

马玲玲,冯嘉,王晶,齐广海,马友彪,武书庚,张海军,邱凯

The Changes of Eggshell Quality in the Laying Cycle of Hy-Line Brown Layers

MA LingLing,FENG Jia,WANG Jing,QI GuangHai,MA YouBiao,WU ShuGeng,ZHANG HaiJun,QIU Kai

图2 海兰褐蛋鸡产蛋高峰至后期蛋壳横截面超微结构 wk：周龄;ML：乳突层;EL：有效层;电镜尺子：300 μm;放大倍数：180×

Fig. 2 Eggshell ultrastructure of cross section of Hy-Line Brown layers from peak to late phase of production wk: Weeks of age; ML: Mammillary layer; EL: Effective layer; Scale bar:300 μm; Magnification: 180×