i have a 5 month female corgi and a 5 month male corgi (not realated) and i want to do something with them, not sure, maybe agility or rally, but i dont want them breeding, i dont know if i should wath untill abby goes through her first heat (i heard that could be beneficial as well as harmful) or if i should spay her at 6 months? same with the male, wait till he is done growing (i also heard that is beneficial but with some downsides;marking and agression) or should i do it at 6 months?