Thirty years on seed is not a habit a parrot drops in a week. A bird fed one familiar diet for decades has learned exactly what food looks like, and anything unfamiliar may not register as food at all. That is why this topic belongs in a discussion with your avian vet rather than in a home experiment: the adjustments below are the ones owners and vets commonly talk through together, and the vet who examines your bird, weighs it, and knows its history decides which of them apply, in what order, and at what pace.
Why Slow and Vet-Led Is Non-Negotiable
The risk in any diet change for an older parrot is refusal. A younger bird may grumble and then sample something new; a long-established seed eater can simply decline the unfamiliar bowl and wait for the food it recognizes. A parrot that stops eating loses weight rapidly, and an older bird has less reserve to draw on while it makes a point. For that reason, sensible discussions never involve removing the familiar food to force hunger, setting a deadline for conversion, or swapping the whole diet in one step. The familiar seed stays available while anything new is introduced beside it, and the bird's willingness to keep eating sets the speed.
Your vet may also want to check the bird over before adjusting anything, since beak condition, body condition, and droppings all shape what changes are sensible. Bring that decision to the vet rather than making it from a food packet: with a thirty-year history, the examination is part of the diet plan, not a preliminary to it.
The Adjustments Owners Commonly Discuss
The first common topic is a formulated staple food. Many vets discuss introducing a pelleted or formulated diet gradually alongside the seed the bird already trusts, so the new food becomes familiar scenery before it is expected to carry any nutritional weight. How that introduction is staged, in what forms, and over how long, is part of the vet's plan for your bird, which is why it belongs in your questions for the vet rather than in any schedule of your own.
The second topic is fresh food breadth. Owners discuss which vegetables and other fresh foods to offer, in what presentations a cautious bird might actually investigate, such as foods eaten together at the table, foods offered warm, or foods presented in a foraging toy. A bird that will eat alongside its person often samples more than a bird handed a new bowl in silence, and your vet can help you judge which experiments are worth trying for this individual.
The third topic is proportion over time: how the balance between seed, formulated food, and fresh food might shift gradually if the bird cooperates, and what to do if it does not. Alongside it sits the supplement question, whether anything needs adding at all, which is a judgment for the vet based on the bird and its bloodwork where the vet advises it, never a shelf decision at a pet store.
Arrive With Observations and Questions
You make the appointment far more useful by bringing evidence instead of impressions. For a week beforehand, note what the bird actually eats as opposed to what you offer, including which seeds vanish and which foods are thrown, ignored, or held and dropped. Weigh the bird on a perch scale if it will stand calmly, at the same time of day, and bring the figures. Write your questions down: what to introduce first, how to tell whether the bird is truly eating a new food, how often to weigh during any transition, and at what point a falling weight means stopping and calling the practice. Leave with the vet's answers in writing, follow only that plan, and report back what the bird accepted and refused, since that response shapes the next step of a genuinely gradual change. Between visits, record refusals and weigh-ins inside KinsLe so Pet Passport shows the vet a clear running pattern instead of a memory.