An aging Pekin duck commonly shows a patchier appetite and a body that either pads out or quietly thins beneath its feathers. Pekins are a heavy, fast-grown breed, so an older hen carries real weight on aging legs and feet, and small changes in how keenly she feeds, how often she lays and how willingly she swims matter more than any single day's empty or full dish.
How an older Pekin's appetite typically shifts
An older Pekin usually eats enthusiastically in bursts rather than steadily all day. She may rush the morning scatter of greens, bill through the water beside her pellets to soften them, then ignore the feeder for hours while she rests. Laying slows and stops in stretches, and because forming eggs once drove a large share of her hunger, her interest in calcium-rich feed and extra protein often fades at the same time. Cold snaps, a molt and changes in flock company can each dent her appetite for days without anything being wrong at all.
Warm weather cuts the other way. A senior Pekin pants and drinks far more, spends longer floating or standing in water, and may seem to eat less simply because she is foraging less on hot ground. Judge her intake across a full week of ordinary days, not against one hot afternoon.
Weight gain and weight loss can both hide under white feathers
Weight gain is the classic Pekin problem in old age. A less active duck who still eats like a young layer stores fat across her abdomen and around her keel, and that extra load makes walking, preening her vent area and climbing a ramp into a pool harder, which reduces her activity further. You may notice a lower-slung belly, a waddle that rolls more from side to side, and reluctance to haul out of the water.
Weight loss hides better. Thick white plumage keeps a senior Pekin looking plump long after muscle has thinned along her back and breast. Run a flat hand over her keel bone: on a duck holding condition, the bone feels present but padded; a keel that stands sharp and ridged, with hollows either side, means she has lost more than her outline admits. Lifting her gently onto a scale on the same morning routine gives the number that settles arguments.
What often sits behind a Pekin's changing intake
Sore feet are a leading Pekin-specific cause. A heavy old duck standing on wet or rough ground can develop pressure sores on the underside of her feet, and a duck whose feet hurt walks to the feeder less, stands in the pool to take weight off them, and eats less overall. Check the soles whenever her appetite drops.
Arthritis in hips and hocks slows her reach to ground-scattered food. A worn bill edge, fewer working eggs in the ovary, and low-level breathing effort in a fat bird can each trim her enthusiasm at the dish. None of these can be separated by appetite alone, which is why the pattern and the keel check matter together.
Tracking this duck and knowing when to call a vet
Weigh your senior Pekin and score her keel on a fixed routine, and write down laying, swimming willingness and any foot findings beside the number. Call a vet promptly if this duck stops eating altogether, loses weight quickly, breathes with an open bill at rest, develops a swollen hot foot, or fades into a bird sitting apart with her head tucked.
With her weigh-ins, keel scores, laying notes and foot checks gathered in one portable packet, KinsLe's Pet Passport lets a vet reviewing this Pekin compare one visit against the last instead of relying on memory.