Journal of the Japan Veterinary Medical Association
Online ISSN : 2186-0211
Print ISSN : 0446-6454
ISSN-L : 0446-6454
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Volume 20, Issue 11
Displaying 1-7 of 7 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1967 Volume 20 Issue 11 Pages 457-461
    Published: November 20, 1967
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.20.457
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1967 Volume 20 Issue 11 Pages 462-465,468
    Published: November 20, 1967
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.20.462
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese], [in Japanese], [in Japanese], [in Japanese]
    1967 Volume 20 Issue 11 Pages 466-468
    Published: November 20, 1967
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.20.466
    JOURNAL FREE ACCESS
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  • Relationship between Resazurin Test and Standard Agar Plate Count in Bacteriological Test of Raw Milk
    Giichi OTSUKA
    1967 Volume 20 Issue 11 Pages 471-474
    Published: November 20, 1967
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.20.471
    JOURNAL FREE ACCESS
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    A total of 251 samples of raw milk collected in Kanagawa Prefecture were subjected comparatively to the standard plate count and the resazurin test tube method. The correlation coefficient 0 was determined between the time required for discoloration in the resazurin test and the standard plate count of a raw-milk sample at each range of discoloration. As a result, it was 0.633, 0.629, 0.584, and 0.675 at ranges 1, 2, 3, and 4 of the color-tone tabe of the lactester A, respectively. All the values were proved to be significant at a level of 1 per cent.Then a regression formula was devised to estimate the standard plate count of a raw-milk sample from the time required for discoloration in the resazurin test tube method. A confidence limit was also examined.
    The same experimental method was applied to 92 samples of raw milk collected in Tokyo and Saitama Prefectures, with an exception that the resazurin test paper method was used instead of the test tube method. As a result, the correlation coefficients were 0.636, 0.729, 0.768, 0.822, 0.844, 0.762, and 0.765 at ranges of discoloration represented by disc Nos. 5, 4, 3, 2, 1, and 0 and a range of complete decoloration, respectively. These values were proved to be significant at a level of 1 per cent. A regression formula was devised and the confidence limit examined also this time.
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  • A Survey on Antibody against Canine Toxoplasma by Hemagglutination Test and Isolation of the Organism from Dogs
    Yoichi UCHINUNO, Y. TATEYAMA, T. ICHIHARA, Y. KITAHARA
    1967 Volume 20 Issue 11 Pages 477-480
    Published: November 20, 1967
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.20.477
    JOURNAL FREE ACCESS
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    A survey was conducted to clarify the distribution of antibody against canine Toxoplasma (Tp) by u-sing the hemagglutination (HA) test. Dogs found positive for antiby were subjected to isolation of the organism and pathological examination. The isolated organism was used for artificial infection
    1. Of 253 dogs surveyed, 29 (11.4%) were positive reactors.
    2. Tp was isolated from 6 of 12 positive reactors examined, but not from 3 negative reactors studied.
    3. Such histopathological changes as suggesting toxoplasmosis were observed in one of 7 HA-antibody positive dogs, from which no Tp organisms were isolated.
    4. Two dogs inoculated intraperitoneally with isolated organisms died. Four dogs inoculated with the same organisms by the oral and nasal route manifested no clinical symptoms. HA-antibody production was positively proved in one case on the 9th day and in another case on the 24th day.
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  • Cleaning Experiment on Respiratory Mycoplasmosis in Breeding Chickens with Chlortetracycline
    Yoichi YAMANO, T. KIYOTA, M. UCHIDOMI, Y. ISHIBASHI, Y. OKAZAKI, T. UE ...
    1967 Volume 20 Issue 11 Pages 480-483,491
    Published: November 20, 1967
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.20.480
    JOURNAL FREE ACCESS
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    Before the collection of eggs for breeding, hens infected with Mycoplasma gallisepticum (MG) were treated with chlortetracycline (CTC). In experiment 1, they were administered with three preparations of CTC daily for two five-day periods with an inter mission for 30 days in between. In addition, they were injected intramuscularly with 200mg of dihydrostreptomycin (STM) four times, 15, 25, 45, and 55 days after the beginning of treatment. As a result they turned to be negative for the whole-blood plate agglutination test. No MG was isolated from chicks hatched from eggs laid by them.
    In experiment 2, hens were fed a diet containing 2.5% CTC daily for two five-day periods with a 20-day intermission in between. In addition, some of them were injected with 200 mg of STM concurrently by the intramuscular route. As a result, it was presumed that CTC could display a destructive effect upon MG without the aid of STM.
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  • [title in Japanese]
    [in Japanese]
    1967 Volume 20 Issue 11 Pages 484-486
    Published: November 20, 1967
    Released on J-STAGE: June 17, 2011
    DOIhttps://doi.org/10.12935/jvma1951.20.484
    JOURNAL FREE ACCESS
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