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Volume 28, Issue 1
Displaying 1-5 of 5 articles from this issue
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Choji KANEUCHI, Tomotari MITSUOKA, Shutaro YAMAMOTO1966 Volume 28 Issue 1 Pages 1-9
Published: February 25, 1966
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESSDownload PDF (986K) -
Shin OKOSHI, Noritoshi KITANO1966 Volume 28 Issue 1 Pages 11-16_2
Published: February 25, 1966
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESSClose examination was performed on the eyeballs of a 3-year-old Holstein cow which were slaughtered at the Mitaka Slaughter House in Tokyo on January 12, 1963. No worms were found in the conjunctival sac or under the third eyelid, but 7 worms (2 males and 5 females) of the genus Thelazia were in the lacrymal ducts. These worms were the first to be identified as Thelazia skrjabini in Japan from morphological observation. To ciarify the distribution of T. skrjabini in Japan, 96 cattle were examined when slaughtered at the Tokyo Metropolitan Slaughter House. They had been brought to Tokyo from 17 districts all over the country. A total of 16 worms (5 males and 11 fernales) of T. skrjabini were collected from 5 cattle raised in 2 prefectures (4 head in Chiba and 1 head in Ibaraki). Most of worms were harbored in the lacrimal ducts. Furthermore, 68 cows on Hachijo Island, 114 cows on Oshima Island, Tokyo Prefecture, 5 cows on the Niikappu National Breeding Stock Farm, Hokkaido, and 12 cows on the University of Tokyo Livestock Farm, Ibaraki Prefecture, were examined by a method in which pressure eye washing was carried out with physiological saline solution. 60 of the 199 cows examined harbored 226 worms of the genus Thelazia, of which 35 (15.4 percent) belonged to T. skrjabini. A part of this work was presented at the 55th semiannual meeting of the Japanese Society of Veterinary Science in 1963.View full abstractDownload PDF (1533K) -
Shutaro YAMAMOTO, Kiichi ISHIDA, Akio SATO, Reiji TAKAHASHI1966 Volume 28 Issue 1 Pages 17-26_2
Published: February 25, 1966
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESSThe effects of sensitization, as expressed by the suppression of bacillary multiplication and the features of lesions, were studied in rabbits sensitized with the A-71 strain. The results obtained were similar to those of the previous experiments, except that the multiplication of reinoculated bacilli was markedly suppressed in the lung of rabbits sensitized 10 weeks before challenge. These effects of sensitization were reduced in general when animals had been sensitized for 25 weeks before challenge.View full abstractDownload PDF (2611K) -
Takamasa SHIMIZU, L. GREENBERG1966 Volume 28 Issue 1 Pages 27-34
Published: February 25, 1966
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESSExperiments were carried out to compare pathogenic properties among three colonial variants, compact (C), diffuse (D), and mucoid (M), which had been isolated from a single strain Smith of Staphylococcus aureus. The organisms were inoculated into mice, guinea pigs, and rabbits by various routes. In mice, it was confirmed that the virulence was decreased in the D, M, and C variant in the order given when mice were inoculated, with or without mucin, by the intraperitoneal route. However, when the variants were inoculated into the same animals by either intravenous or intrascrotal route, they exhibited almost identical pathogenic capacities. In guinea pigs, when inoculated intraperitoneally, the D and M variants were found to have the same degree of virulence, whereas the C variant was not lethal by this route of inoculation. The three variants appeared to have equal capacities of producing pyogenic lesions in rabbits when inoculated into these animals by the intradermal route.View full abstractDownload PDF (810K) -
Misao TSUBOKURA1966 Volume 28 Issue 1 Pages 35-40
Published: February 25, 1966
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESSExperiments were performed to determine whether or not any antigenic change occurred in combinations of a lysogenic system of type IIa and IIb and group III phages and the strains of standard and variant types of Salmonella pullorum, a lytic system of type Ia phages and the strains of standard type, and one of group IV phages and the strains of intermediate type. The results obtained are summarized as follows. The variant type was found to become receptive to the group II and III phages, which had been obtained from the strains of intermediate type. It was also found to become lysogenized. Consequently, the antigens of some strains of variant type varied from 122++123±to 122++123++. It is concluded that the phage of Salmonella pullorum, as well as that of some other organisms, may be sufficiently available to studies on the typing, epizootiology, and genetics of Salmonella pullorum. The author wishes to express his cordial gratitude to Professor K. ITAGAKI, head of the department to which he belongs, for the direction and review of this manuscript. He is indebted to the late Professor K. HIRATO, of Hokkaido University, and Dr. K. ISHII, assistant professor of this department, for valuable advice and encouragement. He would like to thank Professor S. MIURA, of Hokkaido University, for helpful advice aud supply of the strains of S. pullorum used, and professor S. HAMADA, of Hokkaido University, for helpful advice.View full abstractDownload PDF (683K)
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