In the past I had up to a couple hundred at a time, layers, broilers and biddies.
This go round wife said I could have some chickens but I had to stay small time. 10 is what I started with, 9 is what I have now.
Ordered 25 you said, unless something goes terribly wrong, you should lose but 1 or 2. It is possible to do exactly what you said, order 25 and raise 25.