aestivation and thermoregulation in the texas tortoise, gopherus berlandieri. 1976181
prolonged western equine encephalitis viremia in the texas tortoise (gopherus berlandieri).subcutaneous inoculation of 34 texas tortoises (gopherus berlandieri) with either of two strains of western equine encephalitis (wee) virus resulted in prolonged viremia of up to 105 days' duration. peak viremia titers exceeded 10(6) suckling mouse intracranial lethal doses per milliliter. the length of the previremic period, the maximum viremia level attained, and the duration of viremia were markedly affected by environmental temperature. higher temperatures (30 degrees c) shortened the previr ...1977842780
non 0-group 1 vibrio cholerae infection in a desert tortoise (gopherus berlanderi). 19836644937
identification of the etiological agent for necrotizing scute disease in the texas tortoise.epidermal lamellae (scutes) of the texas tortoise, gopherus berlandieri, from southern texas (usa) were observed to be in various stages of necrosis, ranging from localized whitish blemishes to complete degradation of the external portion of the scute. fusarium semitectum was consistently isolated from slivers of infected scute from tortoises. the fungus was not isolated from tortoises exhibiting no lesions. confocal microscopy confirmed the presence of septate mycelia inside the scutes, and iso ...200111310871
detection of mycoplasma agassizii in the texas tortoise (gopherus berlandieri).mycoplasma agassizii causes upper respiratory tract disease (urtd) in texas tortoises (gopherus berlandieri). to determine exposure to and shedding of m. agassizii, we collected blood samples and nasal swabs from 40 free-ranging texas tortoises on public and private lands in texas, usa, from may to october 2009. we used an enzyme-linked immunosorbent assay (elisa) to detect m. agassizii-specific antibodies. eleven (28%) tortoises were antibody positive, three (8%) were suspect, and the remaining ...201323778626
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