Survey of Sarcocystis Infection in Cattle in East Hokkaido, Japan.

Serological and molecular survey of Rickettsial infection in cattle and sika deer in a pastureland in Hidaka District, Hokkaido, Japan.

Rickettsial infection of cattle and sika deer from a pastureland in Hidaka District, Hokkaido, Japan was examined by serological and molecular methods. Serum samples from 8 of 83 (9.6%) cattle reacted with Rickettsia helvetica antigens in an IFA test, with titers ranging from 1:160 to 1:640, while serum samples from 15 of 22 (68.2%) deer were positive for R. helvetica, with titers ranging from ...

A survey of abomasal and duodenal nematodes in cattle in Hokkaido, Japan.

First isolation of Sarcocystis hominis from cattle in Japan.

Sarcocystis hominis was first isolated from slaughtered cattle raised in Japan. Cysts were 1,220-4,460 x 80-384 microns in size and their wall was 3 to 6 microns thick and appeared radially striated in the histopathological sections because of the presence of palisade-like villar protrusions on the surface. The protrusions were 3.1-4.3 x 0.7-1.1 microns in size and had many microtubules in the ...

Cryptosporidium infection of cattle in the Tokachi district, Hokkaido.

The prevalence of Cryptosporidium infection was examined in 480 healthy cattle (0-39 months old) in the Tokachi district in Hokkaido during the period from June to September in 2000 and from June to July in 2001. C. parvum oocysts were detected in 6 of 50 cattle (0-2 months old) in 2001; while C. muris was detected in 2 of 56 cattle (6-8 months old) in 2001, in 1 of 15 cattle (9-11 months old) ...

A cluster of hepatitis E virus infection in Hokkaido, Japan.

On November 16, 2004, the Kitami Health Center (KHC) of Hokkaido, Japan, was notified of a case of hepatitis E in a 69-year-old man who had shown symptoms of diarrhea and fever in the middle of September. He deteriorated rapidly and died of fulminant hepatitis on October 14. A retrospective survey revealed that the patient and his family members had visited a barbecue restaurant on August 14. T...