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Necrotizing menigoencephalitis of unknown etiology has been reported in Yorkshire terriers in Switzerland, Japan, Italy and the United States. A 4-year old male Yorkshire terrier was referred to the clinic of Veterinary Medicine Faculty in Olsztyn. The dog had exhibited symptoms of cervical hyperesthesia, visual deficits, ataxia and proprioceptive deficiency in all limbs for the previous 3 weeks. Clinical findings revealed chronic, progressive neurological signs and were consistent with multifocal, diffuse lesions involving the cerebrum and brainstem. The total blood count and biochemistry profiles were normal. Elevated protein concentrations and mononuclear pleocytosis were demonstrated following cerebrospinal fluid evaluation. Multifocal, extensive areas of decreased opacity throughout the cerebral hemispheres, asymmetric ventromegaly, and lack of contrast enhancement were evident on computer tomography images of the dog's brain. No mass effect was seen. Computed tomography abnormalities together with neurological examinations and cerebrospinal fluid analysis should facilitate a positive diagnosis of necrotizing meningoencephalitis in Yorkshire terriers
The paper reports new localities of lichens Parmelia ernstiae and P. serrana in Poland. Both species are reported for the first time from the Polish part of the Sudety Mountains (southwestern part of the country). The new localities were found in the area of the Sowie Mountains (central part of the Sudety Mts) as well as Śnieżnik Massif and Bialskie Mountains (eastern part of the Sudety Mts). Most of the recorded specimens were associated with the bark of Acer platanoides and A. pseudoplatanus. Parmelia ernstiae and P. serrana are still poorly known species in Poland and often confused with similar taxon P. saxatilis. Therefore the morphological characteristics, chemical properties, ecology and distribution of these species are presented and briefly discussed.
Parmelia serrana A. Crespo, M.C. Molina & D. Hawksw. is reported here for the first time from Poland. The species has been recorded from more than 20 localities and exclusively on the bark of trees. Its general distribution, habitat requirements, morphology, secondary chemistry are provided and the differences between this species and similar taxa, especially P. saxatilis and P. ernstiae, are discussed.
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