Chukar is a kind of very important wild economical bird species.The research to the eggshell is very useful not only in biology but also in economics.The structure of eggshell of Chukar is the same as the fowl.The str...Chukar is a kind of very important wild economical bird species.The research to the eggshell is very useful not only in biology but also in economics.The structure of eggshell of Chukar is the same as the fowl.The structural changes of the inner and outer surfaces, the transverse section of the eggshell, and the outer surface of its membrane during incubation had been observed by scanning electron microscopy (SEM). There was a great change happened for the surface structrue of eggshell and its membrane during incubation.The tortoise shaped crackles became smaller and longer,and the fibres of the membrane became thinner and shorter.At the same time,the transverse section of eggshell also became thicker.展开更多
文摘Chukar is a kind of very important wild economical bird species.The research to the eggshell is very useful not only in biology but also in economics.The structure of eggshell of Chukar is the same as the fowl.The structural changes of the inner and outer surfaces, the transverse section of the eggshell, and the outer surface of its membrane during incubation had been observed by scanning electron microscopy (SEM). There was a great change happened for the surface structrue of eggshell and its membrane during incubation.The tortoise shaped crackles became smaller and longer,and the fibres of the membrane became thinner and shorter.At the same time,the transverse section of eggshell also became thicker.
