Affected birds showed growth retardation and hypogenesis of feather.
缺锌鸡出现生长迟缓、羽毛发育不良等临床症状。
Methods The data of 19 patients with congenital pulmonary agenesis or hypogenesis with CT were analyzed.
方法CT平扫19例明确诊断的先天性肺不发育和发育不全的患者，观察和分析CT资料。
Among them, 17 were combining type, 9 imperforate anus associated with intestinal neuronal dysplasia, 3 immaturity of ganglion cells, 1 hypoganglionosis, 2 neuronal hypogenesis.
其中结合型17例，无肛合并肠神经元异常9例，神经节细胞未成熟3例，神经节细胞减少1例，神经元发育异常2例。
Among them, 17 were combining type, 9 imperforate anus associated with intestinal neuronal dysplasia, 3 immaturity of ganglion cells, 1 hypoganglionosis, 2 neuronal hypogenesis.
其中结合型17例，无肛合并肠神经元异常9例，神经节细胞未成熟3例，神经节细胞减少1例，神经元发育异常2例。
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