Cool thanks, wasn't sure if they stayed fertile their entire lives or what, since hens slow egg production as they age. Just trying to make the right decision for which boys to keep!
I am debating downsizing my duck portion of my flock and am debating on how many drakes to keep. I considering just keeping my two OG drakes that will be 2 years old at the end of the month, but wasn't sure how long drakes stayed fertile? I keep drakes for fertile hatching eggs (for myself) so...