Publications

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association of bola-drb3 alleles identified by a sequence-based typing method with mastitis pathogens in japanese holstein cows.the association of the polymorphism of bovine leukocyte antigen (bola-drb3) genes identified by the polymerase chain reaction sequence-based typing (pcr-sbt) method with resistance and susceptibility to mastitis caused by pathogenic bacteria was investigated. blood samples for dna extraction were collected from 194 holstein cows (41 healthy cows and 153 mastitis cows including 24 mixed-infection cows infected with 2 or 3 species of pathogens) from 5 districts of chiba prefecture, japan. sixteen ...200920163613
trace of native cattle in japanese holstein assessed by mitochondrial dna sequence polymorphism.on the basis of sequence variation in the displacement loop region of mtdna, 588 japanese and north american holstein cows were classified into 5 mitochondrial haplotypes, which were found in japanese black cattle. one of the haplotypes (named type 1), which was present at the highest frequency in japanese black cattle, was not observed in either european or african cattle. this haplotype is characterized by 2 single-nucleotide polymorphisms. one is called the type b polymorphism, and it refers ...200415375070
an epidemic of parapoxvirus infection among cattle: isolation and antibody survey.a disease characterized by papules, nodules, vesicles and, rarely, pustules and ulcers on teats was seen among cattle on a farm in chiba prefecture, japan. a virus was isolated by inoculation of fetal bovine lung cell cultures from a vesicle on a teat of an infected cow. the virus was subsequently passaged in fetal bovine lung and muscle cells in which it produced complete cytopathic changes. the virus was identified by physicochemical examinations and electromicroscopic observation as a parapox ...199910458096
epidemiological features of the bovine spongiform encephalopathy epidemic in japan.on 10 september 2001, the first case of bovine spongiform encephalopathy (bse) in japan was confirmed in a five-year-old dairy cow born in hokkaido and raised in chiba prefecture. subsequently, bse surveillance was enhanced. as a result, 35 additional cases were detected by the end of march 2009, with two to ten cases being detected each year up to the end of 2007. the epidemic appeared to peak in 2006. cases are detected mostly in dairy cattle; in cattle born in 1996 and 2000; and in cattle bor ...200920462152
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