منابع مشابه
Experimental vacuolar myelinopathy in red-tailed hawks.
Avian vacuolar myelinopathy (AVM) was recognized in 1994 as a cause of wild bird mortality when 29 bald eagles (Haliaeetus leucocephalus) succumbed to the disease at DeGray Lake, Arkansas (USA). The cause of AVM and its source remain undetermined despite extensive diagnostic and research investigations. Two years later, when AVM killed 26 eagles in the same area in Arkansas, it became apparent ...
متن کاملA progressive spinal myelinopathy in beef cattle.
Ataxia of the hind limbs in nine calves was associated with degenerative lesions in spinal white matter and neuronal chromatolysis in red nucleus, spinal grey matter and various nuclei of the medulla oblongata and cerebellum. The clinical signs and lesions were similar to those observed in enzootic ataxia of red deer and occurred predominantly in calves of the Murray Grey breed. The pathogenesi...
متن کاملAttempts to reproduce vacuolar myelinopathy in domestic swine and chickens.
Avian vacuolar myelinopathy (AVM) was first recognized as a cause of bald eagle (Haliaeetus leucocephalus) mortality in 1994 in Arkansas (USA) and has since caused over 90 bald eagle and numerous American coot (Fulica americana) mortalities in five southeastern states. The cause of AVM remains undetermined but is suspected to be a biotoxin. Naturally occurring AVM has been limited to wild water...
متن کاملAltered phosphoglycerate kinase in aging rats.
Pure phosphoglycerate kinase from young and old rat muscle shows substantial differences in properties. Compared to the "young" enzyme, phosphoglycerate kinase isolated from old animals possesses a greater stability to heat and storage, a slower reacting -SH group, an altered UV spectrum, and requires more antiserum prepared to "young" enzyme for 50% inactivation. Km and specific activity are u...
متن کاملAging impairs vasodilatory responses in rats
BACKGROUND Aging causes profound changes of stiffness and compliance in the cardiovascular system, which contributes to decreased cardiovascular reserve. Mechanisms of the underlying endothelial vasodilator dysfunction in vasodilator signaling pathways may occur at multiple sites within any of these pathways. METHODS Age-related changes in the vasculature were investigated in adult young (3-6...
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ژورنال
عنوان ژورنال: Veterinary Pathology
سال: 1981
ISSN: 0300-9858,1544-2217
DOI: 10.1177/030098588101800306