Or sorry another suggestion, you could work out how much they need daily using the calculation that they need 2-4% of their body weight daily (depending on how much excersise and the particular dog etc) , give them the rmb (weigh it) and then work out from that how much they will need for the other meal from that. I did this to start with and it was easy because I do one rmb meal and one muscle meat (plus offal and anything else you are feeding that day) meal. I don't do this anymore though, I just work it out myself based on how they are weight wise, excersise etc.
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