Fluoroscopic findings in bovine mass-screening with an X-ray car for large animals: Occurrence and nature of abomasal foreign bodies.:Occurrence and Nature of Abomasal Foreign Bodies
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The occurrence and nature of abomasal foreign bodies were investigated in 1, 976 clinically healthy cows in mass-screening with an X-ray car for large animals within 23 months period from January 1981 to November 1982 in northern and eastern districts of Hokkaido.Metallic foreign bodies (MFB) and sand-like substance were observed in the abomasum in 35.3% and 96.5% of the cows, respectively. This result suggested that most of the clinically healthy cows might always be exposed to the occurrence of traumatic abomasitis and/or abomasal ulcer, and turned down the theory that MFB were very seldom encounted in the abomasum.<BR>Of the cows, 826 had a magnet in the reticulum. MFB were found in the abomasum in 25.7% of them.Abomasal MFB were detected from 42.2% of 1, 147 cows which had no magnet in the reticulum. The presence of a magnet in the reticulum was effective to some extent to prevent the migration of MFB to the abomasum.
- 公益社団法人 日本獣医師会の論文
公益社団法人 日本獣医師会 | 論文
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- Fluoroscopic findings in bovine mass-screening with an X-ray car for large animals: Occurrence and nature of abomasal foreign bodies.:Occurrence and Nature of Abomasal Foreign Bodies
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