wow i just throw a buncha female rats in with my male!
you got a very precise science down i did luckout though that a local petstore
takes my overstock for store credit
i hear people all the time saying rabbits and guinea pigs are" more nutritional than mice and rats but the only thing i could even think of is less bonemass to meat ratio and thats a big maybe fat content is also a factor too, since rabbits have hardly any fat wich is vital for mammels but noit to sure about reps