What percentage of animals used in medical research are rodents?

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Study for the Comprehensive Guide to Animal Use and Care in Biomedical Research Test. Learn with flashcards and multiple-choice questions, each offering hints and explanations. Prepare thoroughly for your exam!

Multiple Choice

What percentage of animals used in medical research are rodents?

Explanation:
Rodents dominate the pool of animals used in biomedical research because they are small, inexpensive to care for, reproduce quickly, and there are extensive, well-controlled genetic tools and standardized strains available for them. This combination makes them the most practical and versatile models for studying disease processes and testing interventions. As a result, the vast majority of animals used in medical research are rodents—well over 90 percent. Other species are used, but they make up a comparatively small portion of total animals.

Rodents dominate the pool of animals used in biomedical research because they are small, inexpensive to care for, reproduce quickly, and there are extensive, well-controlled genetic tools and standardized strains available for them. This combination makes them the most practical and versatile models for studying disease processes and testing interventions. As a result, the vast majority of animals used in medical research are rodents—well over 90 percent. Other species are used, but they make up a comparatively small portion of total animals.

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