Publications by authors named "Natsuko Fukumoto"

Article Synopsis
  • A two-year-old male Ban'ei horse was found to have eight cestodes, identified as Anoplocephala perfoliata based on their physical features.
  • Genetic analysis showed that the COI sequences of these worms were nearly identical to those found in European horses, indicating a close relationship.
  • This study is significant as it is the first report of A. perfoliata infection in a Japanese draft horse, suggesting the parasite was brought to Japan along with European horses in the early 1900s.
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Article Synopsis
  • Equine testicular arteritis can result from nematode larvae migration or equine arteritis virus (EAV) infection, but cases without these infections exist, and their causes are not fully understood.
  • A 3-year-old male heavy draft horse exhibited scrotal enlargement due to testicular arteritis that was not linked to known infections, showing significant edema in the pampiniform plexus.
  • Histological examination revealed non-suppurative and necrotizing arteritis, with lymphocyte infiltration and arterial wall damage, yet the underlying reason for the condition remained undetermined.
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This study aimed to investigate the effect of rumen microbiota transfaunation on the growth, rumen fermentation, and the microbial community of Japanese Black cattle that were separated early from their dams. Here, 24 calves were separated from their dams immediately after calving, 12 of which were transfaunated via inoculation with rumen fluid from adult cattle at the age of 2 months while the remaining 12 were kept unfaunated (not-inoculated). Feed efficiency monitoring was performed during 7-10 months of age.

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Five calves that had shown neurological symptoms within 9 days after birth were histopathologically diagnosed as encephalomalacia. Two calves showed bilateral laminar cerebrocortical necrosis and neuronal necrosis in the corpus striatum and hippocampus. Since the distributional pattern of the lesions was consistent with that of global ischemia in other species, the lesions were probably hypoxic/ischemic encephalopathy consistent with the history of dystocia and perinatal asphyxia.

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  • The study examined the combined thickness of the uterus and placenta (CTUP) in 35 pregnant heavy draft horses during the last months of pregnancy, categorizing them into three groups based on health conditions of the placenta and fetus.
  • CTUP measurements significantly increased as pregnancy progressed, with the normal group showing higher values than other horse breeds, while both the placentitis and abnormal groups displayed CTUP values above the normal range.
  • Ultrasonographic findings indicated signs of placental separation and abnormalities in all groups, highlighting that increased CTUP can be a marker for detecting placentitis and complications in pregnancies of heavy draft horses.
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A 10-day-old, Japanese Black, female calf had shown astasia since just after birth. Focal symmetrical periventricular malacic lesions of the cerebrum and suppurative arthritis of the left hip joint were observed in macroscopic examination. Histologically, the cerebral lesions were confirmed as periventricular leukomalacia (PVL).

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In the present study, we investigated the possible tick vectors that can transmit Theileria orientalis in eastern Hokkaido, Japan. Questing ticks collected from three different districts, Taiki, Otofuke, and Shin-Hidaka, of Hokkaido included Ixodes persulcatus, Haemaphysalis megaspinosa, Haemaphysalis douglasi, and Ixodes ovatus, while all the ticks collected from Yonaguni island of Okinawa were identified as Haemaphysalis longicornis. When the ticks were screened by polymerase chain reaction (PCR) for T.

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Transferring DBA/2 spleen cells into (C57BL/10xDBA/2) F1 (referred to as BDF1) mice induces a chronic graft-versus-host disease (GVHD), characterized by the production of Th(2) cytokines, hypergammaglobulinemia, and immune complex-mediated glomerulonephritis that resembles systemic lupus erythematosus. DNA motif consisting of an unmethylated CpG dinucleotide flanked by two 5' purines and two 3' pyrimidines (CpG ODN) induces Th(1) cytokine production in mice. This study examines the effect of administering CpG ODN to mice undergoing chronic GVHD, based on the premise that altering Th(1)/Th(2) activity might beneficially impact on disease progression.

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