在合理範圍內,使用最少的動物進行實驗,如:強化統計分析模式、避免重覆實驗、選擇適當的動物模式及以更謹慎的實驗設計來進行實驗。
主要目標在減少動物的使用量。由於醫療及基因科技的發展,現在除了可利用強化統計方式減少動物用量外,也可以利用非侵入性影像分析系統來追蹤同一批動物疾病的進程,減少實驗動物犧牲。此外,利用基因改造動物來模擬人類疾病狀況,可以較為精準地進行藥物測試及疾病治療方法的探討,亦是有效達到動物減量的方法。
Reduction involves strategies for obtaining comparable levels of information from the use of fewer animals or for maximizing the information obtained from a given number of animals (without increasing pain or distress) so that in the long run fewer animals are needed to acquire the same scientific information. This approach relies on an analysis of experimental design, applications of newer technologies, the use of appropriate statistical methods, and control of environmentally related variability in animal housing and study areas.
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