The more developed ingluvies and degenerate caecum and without gallbladder may be associated with the characteristics of Xinhe pigeon'food intake habit and the growth and reproduction. 嗉囊发达、形态特殊,盲肠极度退化可能于其食性和生长繁殖特点有关。
Mucous membrane epithelium and glands of ingluvies are similar to those of esophagus, and submucosa is not obvious. 嗉囊的粘膜上皮和腺体与食管相似,粘膜下层不明显。