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Hydranencephaly without arthrogryposis was observed in three newborn Holstein-Friesian calves, born during one week in a 400-cow dairy herd in Zambia. The affected calves were blind and exhibited nystagmus and depressed behavior. Akabane virus infection was suspected based on the pathological findings and etiological data, however, we could not determine(More)
Pregnant rats were treated with 30 mg/kg of methotrexate (MTX) on gestation day 13, and fetal brains were examined histopathologically from 6 to 48 hr after the treatment. In the telencephalon of the control group, there were few pyknotic neuroepithelial cells throughout the experimental period. Six hr after MTX treatment, several pyknotic neuroepithelial(More)
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