• Title/Summary/Keyword: hedgehogs

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FRACTAL HEDGEHOGS

  • Rani, Mamta;Kumar, Vinod
    • The Pure and Applied Mathematics
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    • v.9 no.2
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    • pp.91-105
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    • 2002
  • The study of fractal hedgehogs is a recent development in the ambit of fractal theory and nonlinear analysis. The intent of this paper is to present a study of fractal hedgehogs along with some of their special constructions. The main result is a new fractal hedgehog theorem. As a consequence, a fractal projective hedgehog theorem of Martinez-Maure is obtained as a special case, and several fractal hedgehogs and similar images are discussed.

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An Outbreak of Caparinia tripilis in a Colony of African Pygmy Hedgehogs (Atelerix albiventris) from Korea

  • Kim, Da-Hee;Oh, Dae-Sung;Ahn, Kyu-Sung;Shin, Sung-Shik
    • Parasites, Hosts and Diseases
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    • v.50 no.2
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    • pp.151-156
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    • 2012
  • In February 2010, dermatitis characterized by scale and self-trauma due to puritis was recognized in a group of 22 four-toed hedgehogs (Atelerix albiventris Wagner, 1841) from a local pet shop in Gwangju, Korea. Microscopic examinations of skin scraping samples showed numerous mites of all developmental stages. Morphologically, pedicels of adult mites were short and unjointed. Tarsal caruncles were bell-shaped on all legs of males while they were absent on legs III and IV of females. Three long setae on the third pair of legs in both sexes were present. Adult males had posterior end of the abdomen with trilobate projection on each side, each lobe with a long seta. Based on these features, the mites were identified as Caparinia tripilis. This is the first report of caparinic mite infestation in hedgehogs from Korea. Identification keys for the family Psoroptidae and the genus Caparinia are provided.

Notes on Hedgehogs of the Lower Indus Valley (Indus江 下流의 고슴도치에 관하여)

  • Walton, Gloria M.;Walton, Dan W.
    • The Korean Journal of Zoology
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    • v.16 no.3
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    • pp.161-170
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    • 1973
  • Information is presented and comparisons made on the behavior and reproduction of P. micropus and H. auritus collaris. Comments are made in observations of the apprearance and activities of new born H. auritus collaris and on maternal-infant relationships. Observations on size-weight relationships are made, especially for H. auritus collaris.

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Dermatophytosis of the Four-toed Hedgehog Caused by Trichophyton erinacei

  • Yoon, Ji-Seon;Lee, Jong-Hyun;Yu, Do-Hyeon;Li, Ying-Hua;Lee, Mi-Jin;Iwasaki, T.;Park, Jin-Ho
    • Journal of Veterinary Clinics
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    • v.25 no.3
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    • pp.207-210
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    • 2008
  • Trichophyton erinacei is a dermatophyte pathogen that infects both humans and hedgehogs. A two-month old female four-toed hedgehog presented to the Chonbuk Animal Medical Center with pruritus, excoriation and crust on her face for ten days. The owner of the hedgehog also exhibited the clinical signs of scaly erythema with fine vesicles on her neck. A presumptive diagnosis of dermatophytosis was made based on the results of an acetate tape preparation in which hyphae and chains of arthroconidia were observed. The crusts from the lesions were then cultured on Sabouraud Dextrose Agar for identification. After 10 days of incubation, downy colored colonies that had a central umbo with a white granular surface and a yellow pigment ring in the reverse were observed. Microscopic analysis revealed the presence of numerous teardrop shaped microconidia singly attached to the sides of the hyphae. In addition, 2-6 roomed macroconidia that were somewhat irregular in shape and size were present, and abundant intermediate sized spores were observed between the micro and macro conidia. To confirm that the culture was T. erinacei, the internal transcribed spacer region of the 5.8S phase of the ribosomal RNA gene (ITS1-5.8S-ITS2 rDNA) was amplified by PCR and then sequenced. A 679-base pair fragment of DNA was then compared with sequences in GenBank and found to be 99% homologous with sequences of T. erinacei (Z97997 and Z97996. The clinical signs were resolved after four weeks of treatment with oral and topical ketoconazole and chlorhexidine. To the best of our knowledge, this represents the first case of T. erinacei isolated from a four-toed hedgehog in Korea.