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液体窒素タンクのバクテリアによる汚染:横断的な研究

Britta Hensel1, Yesica Schulze1, Maria Kasten1

  • 1Institute for Reproduction of Farm Animals Schönow, Bernau, Germany.

Reproduction in domestic animals = Zuchthygiene
|September 4, 2025
PubMed
まとめ

牛の精子保存に使用される液体窒素 (LN2) タンクでは細菌による汚染が一般的です. 80%以上のタンクに汚染がみられ,人工授精センターの衛生管理の改善の必要性を強調した.

キーワード:
人工授精オスの精液汚染微生物学窒素タンク精子の貯蔵

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Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...