馬の全血球計算におけるサンプル保存期間と温度の影響
M M Friend1, E M McGaffigan1, S M Hall1
1Department of Animal Science, College of Agricultural Sciences, Pennsylvania State University, 439 Shortlidge Road, University Park, PA 16802.
Journal of equine veterinary science
|January 19, 2026
まとめ
馬の血液サンプルの安定性は、保存温度と時間の影響を受けます。正確な全血球計算(CBC)分析には、冷蔵保存(4°Cまたは8°C)を48時間まで推奨します。
科学分野:
- 獣医血液学
- 馬の臨床病理学
背景:
- 馬の血液サンプルは、遠隔地で頻繁に収集されます。
- 保存要件のため、分析の遅延が一般的です。
研究 の 目的:
- 異なる保存温度と期間が馬の全血球計算(CBC)パラメータに与える影響を評価すること。
- サンプルの一貫性を維持するための最適な保存条件を決定すること。
主な方法:
- 10頭のクォーターホースの牝馬の血液サンプルを2°C、4°C、8°C、および22°Cで保存しました。
- IDEXX Procyte Dxを使用して、最大72時間までの複数の時点で全血球計算(CBC)を実行しました。
- 統計分析には、ベンヤミニ・ホーフベルグ補正を用いたクラスカル・ウォリス検定およびダン検定が含まれました。
主要な成果:
- 細胞の劣化(単球減少、好塩基球増加)は、特に高温(22°C)で早くも48時間で観察されました。
- 赤血球パラメータの変化は、4°Cおよび8°Cで48時間、2°Cおよび22°Cでそれ以前に発生しました。
- 冷却されたサンプルでは、血小板数が予想外に時間とともに増加し、24時間から温度依存的な傾向を示しました。
結論:
- 馬の血液サンプルは、4°Cまたは8°Cで保存した場合に最も安定性を示します。
- IDEXX Procyte Dxを使用した信頼性の高いCBC結果を得るためには、採取後48時間以内の分析が推奨されます。
- 保存温度は、時間とともに様々なCBCパラメータの一貫性に大きく影響します。
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