We recommend avoiding avocado oil. Persin is concentrated in the avocado fruit, and given how dangerous avocado is to birds, there's no safe reason to risk any avocado-derived oil near your parrot.
Keeper's noteThis is one of the 14 disputed entries flagged for expert review — the refined-oil persin question isn't settled. Until it is, keep avocado oil (and avocado in every form) away from birds. Use a tiny amount of coconut or plain water to thin foods instead.
Why avocado oil is dangerous for parrots
Avocado is one of the most reliably fatal foods for parrots because of persin. Refined avocado oil is reported to contain little to no persin, and this is genuinely debated — but the data is thin, the downside is death, and there is no nutritional reason a parrot needs avocado oil. When the worst case is fatal and the benefit is zero, the conservative call is to avoid it entirely.
My parrot already ate some — what now?
If your bird ingested food cooked in avocado oil, treat it with the same urgency as avocado itself: remove remaining food, note the amount, and contact an avian vet immediately rather than waiting for symptoms.