Your duckling sounds like she had a vitamin/electrolyte deficiency. Upside down ducklings with weakness in their legs and neck is USUALLY a deficiency of the B vitamins and/or electrolytes.
Probably NOT kale. Ducklings need supplemental vits/electrolytes as they are much more susceptible than goslings to this issue.
I had a very sick duckling over the weekend who I thought had this issue (well, she's almost 8 weeks old). Turns out she had something else, but anyway in all my googling and questioning I learned a lot about ducklings and their need for supplemental electrolytes/B vitamins.
Check out the duck forum, there is always a thread going on over there about this issue. The duckling usually recovers fairly quickly once the vits/electrolytes are given, rather like yours appears to have had
Brewers yeast sprinkled on their food is one organic/natural way to supplement. People use Pedialyte or feed store packages of vit/electrolyte too.
Probably NOT kale. Ducklings need supplemental vits/electrolytes as they are much more susceptible than goslings to this issue.
I had a very sick duckling over the weekend who I thought had this issue (well, she's almost 8 weeks old). Turns out she had something else, but anyway in all my googling and questioning I learned a lot about ducklings and their need for supplemental electrolytes/B vitamins.
Check out the duck forum, there is always a thread going on over there about this issue. The duckling usually recovers fairly quickly once the vits/electrolytes are given, rather like yours appears to have had
Brewers yeast sprinkled on their food is one organic/natural way to supplement. People use Pedialyte or feed store packages of vit/electrolyte too.