There is nothing wrong with being proactive. You could keep the birds and spend time worrying that something may happen down the road that would really ruin all your plans. Or, as you are doing, start fresh and know from day 1 that what you are breeding is as healthy as possible. That will certainly give you more control of your lines. Yes it will be hard at first but the final product will hopefully be worth it.
All these health issues, unknowns and predators are reasons why I just have the birds as pets. Perhaps someday I will really fall in love with a breed and want to breed for the betterment of the breed. But for now I just enjoy my birds. I've bought and sold at swaps before but now find that it is too much work to sell and I don't want to unknowingly sell birds that may be harboring something.
All these health issues, unknowns and predators are reasons why I just have the birds as pets. Perhaps someday I will really fall in love with a breed and want to breed for the betterment of the breed. But for now I just enjoy my birds. I've bought and sold at swaps before but now find that it is too much work to sell and I don't want to unknowingly sell birds that may be harboring something.