The withdrawal period for Panacur AquaSol for pig meat and offal is four days. The withdrawal period for chicken meat and offal is six days for the 1 mg fenbendazole/kg dose and nine days for the 2 mg fenbendazole/kg dose. The withdrawal period for eggs is zero days.
If she is bloated and thin, I think you're right, it probably is ascites. How thin is she?