I did this for my team and I want to let you all benefit from it.
This Spreadsheet contains a list, that tells you the shortest duration on what to breed for almost every breeding task.
It would help me a lot, if you would give me some nice feedback, whether you liked it or not and how I can improve readability, because I am not satisfied as it is right now.
Here is the link:
Edit: per forum rules live link removed.
Edit2: Since Forum Moderator destroyed my link, I did a new, shorter one. Just remove the spaces and it will work.