One way to get information regarding the corrleation of rat weight and age is
from Charles River Lab. and Harlan Sprague Dawley. I have both
catalogs that contain detailed information regarding rat weight and age.
Addresses:
Charles River Laboratories
251 Ballardvale St.
Wilmington, MA 01887-1000
(phone: 1-800-522-7287 or 1-800-LAB-RATS)
(FAX: 1-800-992-7329)
Harlan Sprague Dawley
PO BOX 29176
Indianapolis, Indiana 46229-0176
(phone: 1-317-894-7521)
(FAX: 1-317-894-1840)
--
Eric H. Chudler
(email: chudler at u.washington.edu)
(URL: http://weber.u.washington.edu/~chudler/ehc.html)