I am sorry for your loss I bet she had a happy 5 years while it lasted and most birds over the age of 3 start to get sick faster than younger birds. It was very nice of you to put her down in the way you did then have her suffer more I am sure she is running up there with some new friends. I...
I just gave it in the drop form kind and then I gave them rooster booster and you can find that at local feed store or on amazon.
Rooster booster I totally recommend it you can just put 1/3 in I think it says and then you just do that for the course of 3-5 days and then after just put them on...