| the first detection of babesia species dna from japanese black bears (ursus thibetanus japonicus) in japan. | in this study, we tried to detect protozoan blood parasites from the liver or blood of 156 japanese black bears (ursus thibetanus japonicus) in iwate prefecture of japan by polymerase chain reaction. two amplicons (approximately 540 bp and 480 bp) were detected by amplification for v4 hyper-variable regions of the 18s rrna gene. approximately 540-bp products were obtained in 119 samples (76.3%) and were considered to be dna of hepatozoon ursi. approximately 480-bp products were obtained in 22 sa ... | 2011 | 21376138 |