Rodent Feed

[JohnNJ]

also look into the breeder feed 9F. a little more fat for the nursing moms.

From the Mazuri product sheets:

Mazuri® Rodent Breeder Diet 6F 5M30 - A diet designed for feeding rats and mice which are maintained in breeding colonies. High producing mice may benefit from using Mazuri® Mouse Breeder Diet 9F (5M68).

Mazuri® Mouse Breeder Diet 9F 5M68 - An intermediate energy diet for breeding mice which are maintained in breeding colonies.
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9F is made for mice, not rats, and it cost more than twice as much as 6F. 9F comes in 25 lb. bags.

If you want to give them extra fat try sunflower seeds, although I'm not sure they need it. The only supplement I give them is organic rolled oats.