They stop when they’re full.
Are you sure they are 9 pounds each ? My silver Appleyard hen is 6 pounds.
I have 21 ducks they eat bugs and weeds too on 1/2 acre
I feed them kalmbach duck and goose pellets free choice
And I feed them Mazuri Waterfowl maintenance in the evening as much as they want
You can also get this for the mom and give her 1ml per day over a small dish of meal worms, or other treat that you know she will eat.
And the mom can use this too
One ml orally but it tastes horrible so I wouldn’t even try to give it to her in a dish of treats. I just use a syringe with no...
Bring her in to separate her from the rest of the flock you don’t want it picked on by other ducks or especially if there’s chickens around. You can bring one of her best friends in with her so she’s not freaked out but you need to watch. Don’t use blue coat. Spray . But yes vetercyn spray is...
OK, this is very important. Make sure you read this link firsthttps://www.backyardchickens.com/articles/safely-administering-oral-medications-to-all-poultry-and-waterfowl.73335/
And here are the pictures you asked for this is the kind that I use