| survey of porcine proliferative enteritis in the tohoku district of japan. | a survey of proliferative enteritis (pe) in pigs at a meat processing plant was conducted using polymerase chain reaction (pcr) testing methods. during the investigation period, 227 of 83,717 pigs brought to the meat processing plant from iwate, fukushima, miyagi, niigata, and yamagata prefectures displayed characteristic general pathological features in terminal ileum, including mucosal hypertrophy and reticulation of serosal surface. of these, 179 cases were further examined in the laboratory. ... | 2004 | 15187367 |
| abortion in japanese cows caused by chlamydia psittaci. | an outbreak of abortion in cows occurring in niigata prefecture was shown to be caused by chlamydia psittaci. elementary bodies characteristic of chlamydia were found in the liver of aborted fetuses and c. psittaci antigen was demonstrated by indirect immunofluorescence. chlamydia was isolated from the liver of aborted fetuses by the yolk sac inoculation of developing chick embryos and by the intraperitoneal inoculation of guinea pigs. abortion occurred mostly in middle or late pregnancy. aborte ... | 1991 | 1771749 |
| isolation of icterohaemorrhagiae from microtus monte belli trapped at the nagaoka area, niigata prefecture in japan. | three strains of leptospira were isolated from field rodents on the occasion of scrub typhus survey on the nagaoka, kurojo, kamikawanishi area, niigata prefecture in september 1961. out of 10 microtus montebelli 3 strains of leptospira by means of heart puncture in febrile stage from guinea pigs. they were identified as icterohaemorrhagiae by cross-agglutination-lysis and a cross absorption tests. it was the first report of icterohaemorrhagiae in microtus montebelli in japan. | 1975 | 776885 |