牛の第四胃右方変位9例について

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タイトル別名
  • Nine Clinical Cases of Right Displacement of the Abomasum in Cattle
  • ウシ ノ ダイ4イ ウホウ ヘンイ 9レイ ニ ツイテ

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説明

One native Japanese cow and 8 Friesian cows presented the right-side displacement of the abomasum. Four of them were also suffering from torsion. All of them were found in Ibaraki Prefecture, northeast of Tokyo, during a period from September, 1966, to October, 1968.<BR>Five cases occurred within 8 days, one a month, one about 5 months, one about 7 months after calving, respectively. The remaining one was observed 4 days after the surgical correction of the left-sided displacement of the abomasum.<BR>In all the cases, typical high-pitched tinkling sounds and a. diagnostic ping were heard evidently on percussion of the right last ribs on the right flank.<BR>Surgical intervention was attempted on all the cases associated with omentopexy to the right abdominal wall, except one. Recovery occurred uneventfully to six of the 9 cases, including one on which no omentopexy had been performed.<BR>A 180°rotation in a clockwise direction was encountered at the omaso-abomasal junction in 1 case, a 180°rotation in a counter-clockwise direction around the longitudinal axis of the abomasum in 2 cases, and a 360°rotation in a counter-clockwise direction around the transverse axis of the body which had been described by NEAL and PINSENT, in 1 case.<BR>In the last case, the signs of colic were evident and the urinary indican reaction was positive. The cow deteriorated rapidly and died at the end of the surgical treatment. Autopsy revealed the rupture of the lesser omentum at the hepatic attachment, of which a complete replacement was impossible, and the medial displacement of the liver.

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