Journal of the Japan Veterinary Medical Association
Online ISSN : 2186-0211
Print ISSN : 0446-6454
ISSN-L : 0446-6454
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Volume 12, Issue 9
Displaying 1-8 of 8 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1959 Volume 12 Issue 9 Pages 377-382
    Published: September 20, 1959
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.12.377
    JOURNAL FREE ACCESS
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  • Studies on Enzootic Fluorosis in Cattle with Special Reference to Mottled Teeth
    Y. EZAKI
    1959 Volume 12 Issue 9 Pages 383-388
    Published: September 20, 1959
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.12.383
    JOURNAL FREE ACCESS
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    1. In areas where fluorosis has become enzootic, cattle ingest fluorine from drinking water rich in fluorides. In general, feed contain from 2 to 30 ppm of natural fluorine.
    2. Development of mottled teeth in cattle varies with ingestion levels, age at the time of ingestion; duration of ingestion, individuality, etc. It seems that mottled teeth come out through the ingestion of at least 0.5 to 0.6ppm of fluorine contained in drinking water.
    3. Mottled teeth were observed in about 50 per cent of calves drinking water containing from 0.6 to 5.0 ppm of fluorine in the stage of development of permanent teeth.
    4. Many cattle with mottled teeth were auscultated with abnormal cardiac sounds-splitting and doubling-more frequently than cattle with normal teeth.
    5. The amount of fluorine excreted in the urine reflected relative levels of fluorine ingested. Fluorine contents in the urine were higher in cattle absorbing an excessive amount of fluoride than in normal cattle. Fluorine contents up to 5 ppm are normal.
    6. The areas where fluorosis is enzootic have no relations to so-colled “Kuwazu” or “Kuiyami” disease, or anoretic disease, of cattle.
    7. Calves raised in fluorosis prevailing areas are often found to have mottled teeth.
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  • [title in Japanese]
    [in Japanese], [in Japanese]
    1959 Volume 12 Issue 9 Pages 388-389
    Published: September 20, 1959
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.12.388
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1959 Volume 12 Issue 9 Pages 389-390
    Published: September 20, 1959
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.12.389
    JOURNAL FREE ACCESS
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  • A Study on Milk Unstable to Alcohol
    I. Milk-Coagulating Action of some Organic Solvents
    K. NAKASAKI
    1959 Volume 12 Issue 9 Pages 391-396
    Published: September 20, 1959
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.12.391
    JOURNAL FREE ACCESS
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    In the alcohol test which is performed to distinguish the quality of raw milk, it has been considered that the coagulation of milk by alcohol is due to dehydration. The present experiments were carried out on the mechanism of coagulation by using a small amount of organic solvent and disclosed that the coagulation was due to the lowered rate of dielectric constant. The experimental results are summarized as follows.
    1. Those neutral organic solvents which mix freely with water and the rates of dielectric constant of which are comparatively low coagulate milk.
    2. When Such organic solvent is mixed with milk at a certain concentration so that the rate of dielectric constant may be equal after mixing, always the same degree of coagulation of milk can be observed.
    3. When ethyl ether, which is mixed very little with water, is added to alcohol, the coagulating action of alcohol is increased. The reason for this may be that ether lowers the rate of dielectric constant of alcohol.
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  • A Case Report of Equine Lymphatic Leukemia
    M. SONODA, H. YOSHIDA
    1959 Volume 12 Issue 9 Pages 397-400
    Published: September 20, 1959
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.12.397
    JOURNAL FREE ACCESS
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    A horse which showed swelling of general lymphatic glands and falling off of the whole body surface was examined clinically, hematologically, anatomico-and histopathologically. The patient progressed with fever in the whole course. In blood examinations, erythrocyte counts decreased only in the terminal stage of disease, but leukocyte counts always increased to 2 to 3 times as high as the regular count and a great many lymphocytes had nuclei abnormal in form.
    Anatomico-and histopathological findings were identical with those of lymphosarcomatosis.
    From the results of all the examinations, the disease was diagnosed as lymphatic leukemia.
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  • [title in Japanese]
    [in Japanese]
    1959 Volume 12 Issue 9 Pages 411-415
    Published: September 20, 1959
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.12.411
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1959 Volume 12 Issue 9 Pages 416-420
    Published: September 20, 1959
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.12.416
    JOURNAL FREE ACCESS
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