Japanese Journal of Veterinary Research;Volume 3, Number 2

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STUDIES ON "KASEN" OF HORSES IN HOKKAIDO : II. RESULTS OBTAINED IN 1954

NAKAMURA, Ryoichi;MATSUHASHI, Akira;YAMASHITA, Jiro;SATOH, Hiroshi;HARADA, Futoshi;NAKAJIMA, Yasunori

Permalink : http://hdl.handle.net/2115/1668
JaLCDOI : 10.14943/jjvr.3.2.73

Abstract

Etiological and therapeutical studies on "Kasen" of horses in Hokkaido were made by the authors from the early spring to the late autumn in 1954 in the same manner as in 1953. The results thus obtained may be summarized as follows : 1. Clinical and hematological observations were almost similar to those of the preceding year. 2. Living microfilariae were detected from pieces of cutaneous tissues in 2 patients (11% out of 18 cases) and these microfilariae were identified with those of Onchocerca cervicalis by the morphological examinations. The detection of microfilariae from the biting insects was unsuccessful. 3. Histopathologically, 2 cases (11%) showed eczematous lesions, whilst infiltrations of eosinophilic cells were observed in all cases by employing serial sections, however no microfilariae were found at all. 4. In the therapeutic treatments, the result of the subcutaneous injections of "Neostinal" was somewhat effective, however the manner of its operation was not clarified. Use of arsenic compound ("Solminol") and piperazine derivative ("Supatonin" and "Hetrazan" syrup) did not yield beneficial results. Use of "Allergin" (anti-histamine preparation) alone and of "Allergin" and "Solminol" at the same time did obtain beneficial resunlts. So far as the above described data are concerned, it is thought that the patients of "Kasen" were placed in allergic conditions. Also, it is interesting fact that this disease seems to be similar to "Queensland Itch" or "Allergic dermatitis" reported by RIEK.

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