Help! I think my duck is dying!!!

This afternoon I let my ducks and chickens out of the run at around noon and everyone appeared fine. But at around 3:30ish I took a break from household chores and decided to feed particularly the ducks swimming in their water tank (pond). I grabbed a head of lettuce as usual and noticed that one duck, my favorite as well and my boyfriends favorite, not waking up to one of her favorite treats. Her head was sitting very low to the water and several times I noticed it down so far that water entered her nostrils and she had to sneeze it out. I panicked and splashed some water on her hoping she was just quite sleepy and she did perk up. She lifted her and a chest out of the water, quacked a few times and flapped her wings but within a minute she went back to lethargically floating around the water, so much so that she floated into the stones they use to get out of the tank and she didn't flinch. I removed her from the water and she couldn't walk, she looked as though she would try but couldn't do it. I've since moved her into the house in a large box with plenty of bedding and a bowl of Electrolyte water where she has been sleeping since I moved her here. But even when carrying her into the house she was behaving strangely, she stuck her neck out very stiff and straight and then it got droopy, normally our sweet duck tucks her head under our chins to snuggle. I checked the area and saw nothing strange that they could have gotten into that I could tell but they are free ranging birds so there is a possibility I could have missed something. The closest vet who treats ducks is 2 hours away and cannot see her until tomorrow morning but I'm afraid she won't make it until then.
Is there any advice anyone has to help me get our girl through the night? This is one of the best birds we have ever had and we would absolutely hate to lose her.

Seperate her from the flock immediately, maybe bring her in the house?
Keep her nice and warm, either in the house or with a heat lamp outside (nice and high)
Feed her some food and give her sugar water, to boost her up. Check on her frequently.
What is her life like right now? Diet? Has she eaten anything she shouldn't?

She has been eating the same lettuce and feed that the rest of the flock has. And she has also been swimming in the same water tank as the other ducks but she is the only one showing symptoms.

Has she been laying eggs? If so, is she on layer feed or has free choice oyster shell?
Does she have any bare spots on her- particularly the neck?
Is there any runniness from her nostrils, eyes, or vent?

She is only about 13 weeks old and is not laying eggs yet. She is eating the food that our local country store recommended for their age, there is no oyster shell but they do have access to plenty of tiny stones and gravel to help keep their crops clean.
She has no runniness from anywhere and I just checked on her and even her poop seems to be normal.( Not a sentence I thought I would ever say but what can I say, these silly birds are more pets than anything.)
She has been wiggling her tail when I try check her crop and under her vent and wings but her head seems to be lolling around.

smileysara said:

She is only about 13 weeks old and is not laying eggs yet. She is eating the food that our local country store recommended for their age, there is no oyster shell but they do have access to plenty of tiny stones and gravel to help keep their crops clean.
She has no runniness from anywhere and I just checked on her and even her poop seems to be normal.( Not a sentence I thought I would ever say but what can I say, these silly birds are more pets than anything.)
She has been wiggling her tail when I try check her crop and under her vent and wings but her head seems to be lolling around.

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Wierd! Is there a chance she maybe got stunned?
Maybe watch her and if the symptoms worsen you can phone a vet, that would be my advice for now.

Will do! Thanks for your help!

What's your outdoor temps?

If she has gotten into anything rotten, there is a possibility it could be botulism. Loads of fresh water, and possibly a (food grade) activated charcoal slurry might help.

gal5150 said:

What's your outdoor temps?

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Outdoor temps would affect all the ducks, not just one.