baby ducks got into dog food
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They should be ok if they get plenty of water to drink and wash it down. She may have been choking on it and why she started acting oddly. Normally the birds would pick up the food then get some water to soften it up. That's why you need to keep food near water. If she has had a good drink and is acting better now then I wouldn't worry.
Glad to hear they are fine.