American Fancy Rat & Mouse Association

Harlan Teklad 8604 (W) Lab Blocks

Rat and Mouse Food

A complete diet with all known nutrients essential for growth, maintenance, and reproduction.


Dehulled soybean meal, wheat middlings, flaked corn, ground corn, fish meal, cane molasses, ground wheat, dried whey, soybean oil, brewers dried yeast, dicalcium phosphate, calcium carbonate, iodized salt, choline chloride, kaolin, mangnesium oxide, ferrous sulfate, vitamin E acetate, menadione sodium bisulfate complex (source of vitamin K activity), manganous oxide, copper sulfate, zinc oxide, niacin, thiamin mononitrate, vitamin A acetate, vitamin D3 supplement, calcium pantothenate, pyridoxine hydrochloride, riboflavin, vitamin B12 supplement, calcium iodate, folic acid, biotin, cobalt carbonate.



This is a complete diet for rodents which can be fed free choice. The amount of diet a rodent will eat depends on the size and strain. Fresh, clean water should always be available.

8604 Lab Blocks

Now in 2 sizes:

Two 12-cup ziplock bags (24 cups/approx. 10 pounds) for $32.63
1 jumbo ziplock bag (36 cups/approx. 15 pounds) for $40.92
(includes postage; payment with PayPal
to U.S. addresses only)

(Sorry, no non-U.S. sales)

Buy now using PayPal (U.S. addresses only)

Lab Blocks 8604
Updated January 10, 2023