禽胚发育阶段逐日的“蛋相”变化与解剖学特征

Change of "Egg Appearance" and Anatomic Features at the Stage of Avian Embryo Development

孵化期间头禽胚的蛋形态及大小是随着发育的进行而不断变化的 ,不同的发育日龄胚胎都有各自的标准“蛋相”(用照蛋器大头处透视蛋所观察到的蛋内容物的形态 )及“长相”(解剖学特征 ) ,通过调节孵化条件 (主要是孵化温度 )来促使胚胎在发育的各个日龄阶段适时达到标准“蛋相”及“长相”是提高孵化率及雏鸡质量的关键。本文详细阐述了白来航鸡逐日发育的“蛋相”及“长相”。

With the progress of the embryo development, the shape of size of avian embryo is in constant change. This paper describes in detail the standard 'egg appearance' and features of White Leghorn chicken embryo, and provides poultry-man with methods while adjusting hatchery temperature based on observed egg content.