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Volume 41, Issue 1
Displaying 1-12 of 12 articles from this issue
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Michiko HANADA, Kazunobu SHIMODA, Shin-ichi TOMITA, Yasukiyo NAKASE, Y ...1979 Volume 41 Issue 1 Pages 1-8
Published: February 25, 1979
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESS6 ?? ?? ?? SPF ?? ?? ?? ?? 7 ?? ?? ?? ??, Bordetella bronchiseptica ?? ?? ?? ?? ?? ?? ?? ?? 1 ?? 4 ??, 64 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? . ?? ?? ?? ?? ??, ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? . ?? ?? ?? ?? ?? ?? ??, ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? B. bronchiseptica L3 ?? I ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? . ?? ?? ?? ?? ?? ?? ?? 70 ?? ?? ?? ?? ??, ?? ?? . ?? ?? ?? ??, ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ??, ?? 々 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? . ?? ?? ?? ??, ?? ?? ??, ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? . ?? ?? ?? ??, ?? ?? ?? ?? ?? ?? ??, ?? ?? ?? ?? ?? ??, ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ??, ?? ?? ?? ?? ??, ?? ?? ?? ?? ?? ?? ?? ?? ?? ??, ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? . ??, ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? . ?? ?? ?? ?? ?? ?? ??, ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? B. bronchiseptica ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? .View full abstractDownload PDF (1272K) -
Junko WATABE, Manabu OGATA1979 Volume 41 Issue 1 Pages 9-17
Published: February 25, 1979
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESSSeveral acholeplasmas recovered from horses, cattle, and abattoir sewage were compared with those previously classified by biological and serological tests. Strains of the Acholeplasma laidlawii group reacted heterogeneously in the serological test. Some of them cross-reacted with the A. oculi 19L strain. A granularum, A. axanthum and A. modicum strains examined here had biological and serological characteristics similar to those of their respective type species, although they were clearly distinct from one another, and from A. laidlawii and A. oculi. The H23M group or that of unclassified acholeplasmas isolated from horses, was serologically and biologically distinct from any other Acholeplasma species. It should deserve a new species designation.View full abstractDownload PDF (988K) -
Masanori SASAKI, Yuko MIYAZONO, Shichiro INADA1979 Volume 41 Issue 1 Pages 19-30
Published: February 25, 1979
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESSFive dogs were subjected to the forearm-lifting training every day, except Sunday. A response stimulus was given in a simulated manner of the actual training procedure. Electromyograms were recorded from the biceps brachii muscle in the responding arm every 3 or 4 days during the progress of training. Premotor time (PMT), or the latency of sustained potentials, became obviously reduced and stabilized in all the dogs as the training advanced. The mean PMT ranged from 119 to 358 msec in the well-trained stage. Sustained potentials were often preceded by sparse potentials, the latency of which was designated the preceding potential latency (PPL). PPLs were highly variable and ranged from 9 to 1135 msec. They seemed to be divided into three groups: the first group having a mode at 15 msec, the second at 75 msec, and the third exceeding 150 msec. Based upon experimental results obtained under the sensory elimination, it was considered that preceding potentials of the second group primarily depended upon the auditory input and those of the third group upon the visual input. Thus, the dependence of the motor program for the forearm-lifting response on the sensory input seemed to have changed from the visual to the auditory input as the training advanced. In addition, the aptitude of individual dogs for training could be evaluated from the characteristics of the response.View full abstractDownload PDF (1042K) -
Norio HIRANO, Hiroaki MIYAJIMA, Kosaku FUJIWARA1979 Volume 41 Issue 1 Pages 31-40
Published: February 25, 1979
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESSA virus having physicochemical properties common to Coronavirus was isolated from the feces of 4-week-old mice of a breeder colony with high positivity for antibody to mouse hepatitis virus and Sendai virus but without any evidence of illness. The virus rapidly multiplied with cytopathic effect accompanying syncytia formation on DBT cell culture. The isolate was shown to be capable of producing fatal hebatitis in weanling mice only when cortisone was given shortly after inoculation. By complement fixation test and immunofluorescence a cross-reaction was observed between the isolate and a virulent strain, MHV-2. In virus neutralization test using DBT cells, however, some antigenic discrepancy was evidenced between the two viruses.View full abstractDownload PDF (1687K) -
Mitsutaka NAKAMURA, Mutsumi INOUE1979 Volume 41 Issue 1 Pages 41-51
Published: February 25, 1979
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESSMany reports have been made on spermatocele in goats and sheep, but only a few on that in swine and cattle, but few on that in chickens. This study was carried out on 45 male chickens, of which seventeen (37.8%) showed spermatocele. It was very difficult to detect spermatocele in chickens clinically. In macroscopic examination, four chickens of the seventeen exhibited such changes as swelling of the epididymis and the presence of an irregular white granular substance in the organ. There were no macroscopical lesions of the testis in any chickens. Histologically, the most characteristic findings of spermatocele were the accumulation of sperms and degeneration of spermatogenic cells in the efferent ductules. These sperm masses were produced in the testis. Sperms passed through the rete testis and accumulated in the efferent ductules, where sperms were calcified. No inflammatory changes were found in the interstitial tissue of the epididymis in any case. Spermatocele was high in occurrence. It was found only in chickens more than 180 days of age. It became higher in occurrence with the advance in age. It was induced by no other disease. There was no relationship between breed and this disease. From these results, it was presumed that age might be the most important factor for the occurrence of this disease. This disease has been called epididymal spermiostasis, spermiostasis and Samenstauung. Spermatocele seemed to be the most suitable of these terms.View full abstractDownload PDF (1770K) -
Shuichi KURE, Wataru SHIRAI, Tsuneo SATO, Eiichi MOMOTANI, Tsutae KASH ...1979 Volume 41 Issue 1 Pages 53-60
Published: February 25, 1979
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESSIt has been reported by Hamazaki and Hamazaki et al. that brilliant cells derived from smooth muscle fibers are characterized by the presence of ketoenolic granules (KEG) which can be identified by the carbolfuchsin-iodine (CFI) method of Hamazaki. On the basis of the fixative used, ketoenolic granules are classified into the following kinds: Cr-, Fe-, Cu-, and Hg-KEGs. Brilliant cells have been demonstrated in lesions in human beings, monkeys, dogs, cats, rabbits and cattle. There have been no reports, however, on any porcine cases. This paper deals with the distribution and properties of brilliant cells found in the gastric tissue showing catarrh in 41 swine. The results obtained are summarized as follows. (1) Histopathological examination of the stomach revealed erosion, hyperemia, hemorrhage, edema, and infiltration of eosinophils, histocytes, lymphocytes and plasma cells. The changes were considered to indicate catarrhal gastritis. (2) Brilliant cells were observed mainly in the submucosa and the interstitial tissue of the tunica muscularis. They were found most frequently in the submucosa where the edematous dissociation of smooth muscle fibers was present. A few or no brilliant cells were seen in the lamina propria and the serous membrane of the stomach. (3) Of the four kinds of KEG in the brilliant cells, Cr- and Fe-KEGs were distinct, and Cu- and Hg-KEGs indistinct.View full abstractDownload PDF (2134K) -
Masao ASARI, Koosaku FUKAYA, Yasunobu EGUCHI, Shiichi NISHIDA, Yutaka ...1979 Volume 41 Issue 1 Pages 61-67
Published: February 25, 1979
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESSIn order to extend studies on roles of androgen and progesterone in the degeneration of the X-zone, 30-day-old ICR female mice were used. The X-zone was degenerated by 6-days' treatment with progesterone as well as with testosterone. Testosterone had strong effects on the X-zone, leading to its complete disappearance at any daily dose of 2.5, 1.0, 0.5 and 0.1 mg. Progesterone had less effects; the X-zone disappeared in 8 of 9 mice daily given 2.5 mg, and in only one of 6 mice daily given 1.0 mg; the X-zone remained unchanged in all mice daily given 0.5 mg in many cases. Degenerative changes of the X-zone callsed by testosterone differed from those caused by progesterone in such a way that the testosterone-induced degeneration was followed by a gradual juxta-medullary fibrous replacement while the progesterone-induced degeneration appeared fatty in nature. Due to some exceptions in which, testosterone induced fatty degeneration and progesterone induced fibrous replacement, the differences mentioned above was not strictly specific. To eliminate endogenous hormones from the ovary and conversion of progesterone to androgen in the gland, some mice were ovariectomized and given 2.5 mg progesterone. As a result, the X-zone was relatively well maintained. This means that progesterone does not exert any destructive effect directly on the X-zone, but does so via the ovary, in which progesterone may be converted in part into testosterone.View full abstractDownload PDF (1009K) -
Yoshikazu IRITANI1979 Volume 41 Issue 1 Pages 69-71
Published: February 25, 1979
Released on J-STAGE: February 13, 2008
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Masamitsu KANOE, Yuji IZUCHI, Masayuki KEMI, Mitsuyoshi TODA, Yukio HA ...1979 Volume 41 Issue 1 Pages 73-76
Published: February 25, 1979
Released on J-STAGE: February 13, 2008
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Toshiaki KUSHIDA1979 Volume 41 Issue 1 Pages 77-79,81
Published: February 25, 1979
Released on J-STAGE: February 13, 2008
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Kan-ichi OHSHIMA, Yoshihisa NAITO, Yukio SEIMIYA1979 Volume 41 Issue 1 Pages 83-85,87
Published: February 25, 1979
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESS -
Muneo NAKAZAWA, Yoshikatsu KAGEMORI, Ryozo AZUMA1979 Volume 41 Issue 1 Pages 89-90
Published: February 25, 1979
Released on J-STAGE: February 13, 2008
JOURNAL FREE ACCESS
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