What to add to increase fat and calcium?

[lamina1982]

I've been switching up my rat feed to try and increase production and cut costs. i used to feed mazuri 6F, now i'm feeding doggie bag and hog feed. hog feed little low in fat so was wondering what i can add to increase fat content, also what foods would increase calcium for the ladies? thanks for any help

[suzuki4life]

I've been switching up my rat feed to try and increase production and cut costs. i used to feed mazuri 6F, now i'm feeding doggie bag and hog feed. hog feed little low in fat so was wondering what i can add to increase fat content, also what foods would increase calcium for the ladies? thanks for any help

ummm powdered milk?