Sprague Dawley Rat Weight Age Chart. Rats were received at rbu 3, taconic. A quantity of twenty rats (ten males and ten females) was submitted for testing, strain identified as line sprague dawley® (ntac:sd), age 7 weeks.

Rats were received at rbu 3, taconic. A quantity of twenty rats (ten males and ten females) was submitted for testing, strain identified as line sprague dawley® (ntac:sd), age 7 weeks.