【摘要】 通过对河北邯郸2000年鸡住白细胞原虫病的流行病学、临床症状、病理剖检特征及发病原因的调查,发现本地中、大鸡发病率和死亡率呈上升趋势。更多还原

【Abstract】 The epidemiology, clinical symptoms, pathologic autopsy and pathogenic echanismof Leucocytozoonosis of chicken in handan area Hebei province were investigated. The resultshowed that disease incidence and mortality of chicks and chickens increased.更多还原