Hi everyone,

I asked the supplier of my experimental animals about the age when CD-1 female mice may be considered "reproductively old". I was told that "reproductors" undergo replacement when they reach 8 or 9 months old. However, they failed to provide a reference for such a statement.

Can anyone help me, please?

Stefano Falone, Ph.D.

Dept. of Life, Health and Environmental Sciences

University of L'Aquila

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