日本獸醫學雜誌(The Japanese Journal of Veterinary Science)

ウズラにおける無機水銀の分布および排泄におよぼす亜セレン酸ならびにセレン酸前処置の影響

田中秀和, 西村昌数, 浦川紀元

1976 年 38 巻 4 号 p. 321-326
発行日: 1976/08/25
公開日: 2008/02/13

DOIhttps://doi.org/10.1292/jvms1939.38.321

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Effects of pretreatment with selenate, as well as selenite, on the retention of ²⁰³Hg in male and laying Japdnese quail were investigated. Birds were killed 24 hOuTs after a single intravenous injection with ²⁰³Hg-mercuric nitrate. The radioelement increased in concentration in most of the tissues checked, especially in the blood corpuscle fraction and liver, in the birds had been treated with both selenium compounds than in the controls. On the other hand, the pretreatment decreased the concentration of ²⁰³Hg ill the kidney of both sexes of birds and ova of laying ones. In the brain uptake of ²⁰³Hg was little affected by the pretreatment which caused a reduction of fecal and urinary excretion of the radiomercury. The selenium-response patterns in the pretreated birds was not altered by the sex of birds and the type of selenium compound used. The results obtained in Japanese quail agreed well with those reported in mammals treated with selenite.

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ニホンカモシカ(Capricornis crispus)にみられた皮膚乳頭腫症に関する病理学的研究

千早豊, 大島寛一, 三浦定夫, 沼宮内茂

1976 年 38 巻 4 号 p. 327-333,338
発行日: 1976/08/25
公開日: 2008/02/13

DOIhttps://doi.org/10.1292/jvms1939.38.327

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A case of general cutaneous papillomatosis in Japanese serow, a wild animal naturally reserved by law (a special natural monument), was reported. Histological observation revealed fibrous proliferation with papillary extention in the dermis, acanthosis with marked vacuolation of epithelial cells and hyperkeratosis. Electron microscopy disclosed vacuolated cytoplasm with scanty tonofibriles in some of the epithelial cells proliferated in the spinosum layer, and virus-like particles in the nucleus of degenerated cells in the corneal layer through the middle spinosum layer. The particles were spherical and measured about 30nm in diameter, and occasionally arranged in a crystalline array. According to the findings obtained, they were possibly identical to a member of the papovavirus group. Discussion was made in comparison with papillomatosis in the other animal species reported previously. Besides, bundles of needle-like filamentous structures were detected in the nucleus in several spinosum layer cells. Lung worms, Protostrongylus Shiozawai (Ohbayashi et Ueno, 1974) were observed in pulmonary sections histologically.

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牛胎児および新生子牛血清中のα-フェトプロティン量

阿部恒夫, 小松正憲, 武石昌敬, 常包正

1976 年 38 巻 4 号 p. 339-345
発行日: 1976/08/25
公開日: 2008/02/13

DOIhttps://doi.org/10.1292/jvms1939.38.339

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Bovine α-fetoprotein was isolated from bovine fetal serum by an immuno-chemical method. It was comfirmed that this protein was antigenically related to human α-fetoprotein. The levels of α-fetoprotein, albumin, transferrin, immunoglobulin and total proteins in the sera of developing bovine fetuses and calves were assayed by the single radial immuno-diffusion method. The maximum mean value of α-fetoprotein (6.14±0.61 mg/ml within a range of 5-8 mg/ml) was observed in the sera of 4-month fetuses. It decreased to 0.01-0.06 mg/ml at birth. The half-time of disappearance of α-fetoprotein after birth was estimated to be 2.52 days. Serum albumin, serum transferrin and total proteins increased successively with the development of fetuses. IgG was also detected from 4 (11%) of 36 fetal serum samples.

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めん羊における乾草と濃厚飼料の給与比率が耳下腺唾液の分泌とそのNa, K, P濃度に及ぼす影響

佐藤博, 加藤清雄, 津田恒之

1976 年 38 巻 4 号 p. 347-354
発行日: 1976/08/25
公開日: 2008/02/13

DOIhttps://doi.org/10.1292/jvms1939.38.347

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High roughage diet (HRD) and high concentrate diet (HCD) were given to sheep to study their effects on the secretion rate of parotid saliva and on the sodium, potassium and phosphorus levels of parotid saliva and of blood. Parotid secretion rate was higher in HRD feeding than in HCD feeding, except in the early period of eating. The start of eating caused an abrupt increase in parotid secretion. Secretion rate was lower in 2-hour post-eating period than in the 2-hour pre-eating period in both types of feeding. The sodium level of parotid saliva was higher in HCD feeding than in HRD feeding, except in the early period of eating, though the daily intake of sodium was nearly the same in both types of feeding. Plasma sodium level was little influenced by the types of the diet, except in the post-eating period. The potassium level of parotid saliva was little influenced by the type of diet in the pre-eating period. It was higher in HRD feeding than in HCD feeding in the eating period. Plasma potassium level was influenced neither by the type of diet nor by eating. In response to the daily intake of phosphorus and the parotid secretion rate, the inorganic phosphorus level of parotid saliva and that of plasma were always higher in HCD feeding than in HRD feeding. The hay to concentrate ratio affected the parotid secretion rate and its sodium and phosphorus levels, but not always influenced potassium level of parotid saliva.

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ハトの後肢の筋の起始と停止について

永村武美, 西田隆雄, 野村晋一

1976 年 38 巻 4 号 p. 355-368
発行日: 1976/08/25
公開日: 2008/02/13

DOIhttps://doi.org/10.1292/jvms1939.38.355

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鳥類の飛翔の機構を解明するための基礎的研究の一つとして, 前肢に続きハトの後肢の筋の起始と停止を正確に記載し, Figs. 1-4に図示した. また各筋の起始と停止についてはその要約をTable 1に示した. 筋の命名については, Berger [12], Fisherら [8], 藤岡 [10]を主に参照し, 特にBerger [12]の命名と本報の所見とを比較検討し整理した. その他の著者との比較は, Table 2に一括して示した.

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鶏血漿中F-GOTの酵素作用の性質について : III. F-GOT反応における速度と温度との関係

山田一彦

1976 年 38 巻 4 号 p. 369-376
発行日: 1976/08/25
公開日: 2008/02/13

DOIhttps://doi.org/10.1292/jvms1939.38.369

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4-60℃間各区の耐熱処理血漿試料F-GOTの活性曲線は, 50℃区処理の試料活性をピークとする山型曲線として示される. また, これらの試料に対する定量範囲のPyridoxal 5'-phosphate (PALP) 添加の効果は, PALP濃度に比例的な活性の賦活, もしくは復活傾向として示され, そのうち, 最高活性の発現は, 20℃区の処理試料において認められた. このように, 補体的要素としてPALPをとるF-GOTは, 形式上, 一次の反応に属する反応次数を持ち, 熱失活を無視することができる温度範囲内の4-40℃区において, 反応速度定数(k)の温度変化から求められたこれら酵素の見掛けの賦活エネルギー(E_A)は, 平均9,024.18cal/Mである. また, Arrhenius式に適合するこれらF-GOTのE_A算定の基準となった, 反応初速度(Vi)から測定された最大反応速度(V_max)と絶対温度(T)間の関係を示す, (log V_max-1/T)プロット上の, 20℃区を境とする折線グラフは, 当該温度の両側温度区では, 温度上昇とともに, 本系反応速度が律速的に変化・加速され, その反応最適温度は40℃区にあることを示している. この場合, 0℃区の温度係数(Q_t)を基準に算定した, 10-50℃区間にあって, 10℃差のQ_tを示すQ₁₀値範囲は1-4である. なお, これらの反応に, 系上, 対応するR-GOT系酵素由来のR-GOT反応との間には, 直接的な平衡関係は存在しない.

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仔豚の先天性トキソプラズマ病の摘発

森脇正, 林重美, 南哲郎, 石谷類造

1976 年 38 巻 4 号 p. 377-379,381
発行日: 1976/08/25
公開日: 2008/02/13

DOIhttps://doi.org/10.1292/jvms1939.38.377

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