Hi R66
Gradual change over normally takes place at around 3 weeks from waterfowl starter crumbs to waterfowl growers.
What food do you plan giving them when adult?
I only ask as my hens, ducks etc have corn & organic layers mixed and I've noticed my 5 week olds eating that and it ain't doing them any harm
That's also what Crumb eats but she's also been having waterfowl stuff 2
Think the main food is the green as i'm sure your sick of me saying
Is the female ok again now???