9.The results show that erythrocytes of Tilaria nilotica,Rana tigrina Columba livia domestica are long ellipse,long-shuttle and long-olive in shape, They have nuclei and obvious heterochromatin in it.

• 结果表明：鱼、蛙、鸽的红细胞呈长椭圆形、长梭形或长橄榄形，有核，核周异染色质明显；