I see. Check out the settings available in "complex breeding for dummies". They can be (ab)used to make the game harder, not easier.
I would love to, but the most complex breeding for dummies poses a big problem for me: you can't change the appearance of a slave with a potion, and it annoys me to always end up with girls with hair colors green, pink or horrible blue because of the brothel customers or the color of the monster (related or not to the race of the girl) or hairs that I don't want. Unless I missed something for change apparence ?
Furthermore, are there cap values in the base game? Like the cost of maintenance? I used the chaotic market mods to induce higher basic maintenance costs for all races, but I wonder if by reproduction, I won't end up with slaves costing me 2000 maintenance lol ?
or super practical, wouldn't there be an editable mod that allows you to change the values given by the milk and therefore change the bonuses they give to the slaves?
EDIT :
by testing, I confirm in any case that with chaotic market, the maintenance cost bonuses/penalties accumulate from generation to generation, so we very quickly find ourselves with characters costing staggering sums