The system can work if you put your head to it. Some people are so thrown off by the idea that they'll present any problem rather than solutions for them. We mention problems, and problems...but what's the solution? Every problem has a solution even if we do not see it yet. Most of the time the solution involves people being more open, but in this case it's just a matter of forming a system.
Now...Visualizes this:
2 omnis------1 egg(breeds)+another(that can breed)
So are you saying that would mean there is no point in the limitation of the breeding limit? (Which is right that would be a loophole).
Well then the solution, make the breeding limit for the OWNER not the creatu itself (if thats what you're saying). Basically if you can feed and care and maintain the creatu you breed then you should have the right to do it, it's the way the ranching system works right now before they're frozen in shops.
In real life (which I think its been established that because Rescreatu and (in general most games) are simple (simple versions of life which is why so many people play them) giving an example based on life seems silly) but I'm going to be silly for a moment and give a real life example. I lived on a city farm, which inspired me to have a family of animals of my own rescue, rehabilitation, and the sort. It's better not to breed animals that are in need of rescue since the problem is most of these animals can't find homes(like children), and most of them get torn from their families like slaves, which is why I refuse to sell any of the animals that do have babies. But since people breed animals, and if my animals bred it would be purely for them to have a family purpose, which I believe is different from breeding to 'sell'. I couldn't go oh lets breed this set, and then go off to breed another set, you need to make sure you can 1.) supply rooms and space for these beautiful creatures. 2.) then you'd have to give attention to these animals, individual attention, so that they aren't iffy around people handling them. They would need training, etc. 3.) You'd have to make sure you had enough food 4.) you'd have to make sure they were healthy, and so on. To breed and keep breeding the animal one after the other would create a 'mill' of some kind.
In a game with breeding a much simpler version of a much more complex system we could say, in the sense of pretending Rescreatu would be that.
1.) you must have a maintained space to breed animals.
2.) training gives them value
3.) enough food to feed them or they die
4.) healthy is best (like the hospital)
5.) We ourselves can only 'breed' any pair of creatu of the same species per (gestation and a period of time to wait after their gestation). To prevent 'milling'. (which aready happens now, in the area of 'culling')
6.) The time that your creatu is pregnant you should have to 'care' for them and get them treated for anomalities (to make things more complicated and not a thing to take 'not seriously).
7.) I think Ping mentioned somewhere else that you can't choose gender, that if you breed it would be random, and the only thing you can choose is a name.
8.) To add there can be a 'birthing process' and if the baby...creatu...is born breach you have to 'buy' something before the birthing can continue.
In this way breeding creatu doesn't become just put two things together and voila! It could become a process that could cost...more than hatching an egg, and something you are limited on, and takes more time time than just finding an egg and hatching it.
As for the concern with genetics, as I've said before.
1.) you could not selectively breed with your own kind, you would have to buy from someone else of a different lineage or of a different hatched egg of the same colour.
2.) Genetics can be made random, it's a game. And in real life Albino+albino can easily equal =black, since black is a dominant gene, and albino is recessive + recessive. If we're that concerned about it, and think that (and I'm sure people could) eventually manage a pure albino line (which if made with restrictions would be hard to do but could be done), then we could make it so that genetics in itself is random and that an albino+ an albino wouldn't make your chances of getting an albino more or less, it could just mean you can breed your creatu...if we want to stick to 'simple'.
Then of course what would be the point if we bred creatu who were completely random gender, random colour anyway, and who didn't carry down any 'random' traits of their biological parents? Then the point would just be the breeding process which could also count as a 'hatch' if you chose to breed over 'hatching' an egg.
In which case not much about the system would change except that you have another form of 'hatching'. In another case, if creatu are born as eggs, then there would be no birthing process, you would be breeding two creatu who then lay an egg, and then the egg goes in the incubator//Hatchery...like all the others. So then...you'd really just have another way of getting an egg vs. getting it in the while(Wild*).
In which case would it really be worth it?