Why a broad, well-feathered hen still needs weighing
Yes, keep one. The Wyandotte is a curvy, close-feathered bird with a rose comb and a deep body, bred to lay well and carry enough size for the table. That generous outline is the problem for health checks: a Wyandotte looks substantial almost by default, so extra fat and early weight loss both hide under the same rounded silhouette. A scale and a brief hands-on check give you the truth that the breed's shape withholds.
As you weigh her, feel along the keel bone and across the breast, and learn her normal. A laying Wyandotte in good working condition feels firm and covered without a thick pad of fat over the abdomen. Because these hens can drift toward overweight when laying slows, especially on generous treats and limited range, your log is as much about catching unwanted gain as unwanted loss.
Entries that make a Wyandotte log worth keeping
Write down the date, weight, and how you weighed her, using the same setup each time so the series is honest. Then record what explains the number for this breed: eggs laid since the last check or a clear pause in laying, whether she is in moult, how keenly she comes to feed, droppings, and the condition of feathers and skin when you part them during handling.
Add the seasonal notes a cold-hardy Wyandotte invites. Her rose comb resists frostbite better than a tall single comb, but winter still changes her eating, laying, and activity, and a log that spans seasons shows you her normal annual rhythm instead of leaving you to guess whether a quieter, heavier winter hen is typical for her. Note any health care she receives, any lice or mite findings, and changes in the flock around her, such as a new feeder arrangement that might mean she is being kept away from feed by bolder birds.
Reading gain and loss in a dual-purpose layer
Check a healthy adult every few weeks, and more often for growing pullets, older hens, or any bird recovering from illness. Then read entries together. Weight climbing while laying fades and treats stay generous points toward a feeding and activity review: measure the staple feed fairly, rein in scraps, and make sure she is ranging and scratching rather than camped beside the feeder.
Weight falling is a different conversation. Loss alongside reduced laying can be ordinary during a hard moult, when growing feathers takes priority, but loss with a sharp-feeling keel, dullness, reduced appetite, or changed droppings is not something to explain away with season alone. Because a flock bird will keep up appearances while she can, the trend in your book may be the earliest honest signal you get.
When to take the log to a veterinarian
Seek poultry or avian veterinary advice if your Wyandotte keeps losing weight, stops eating, isolates herself, breathes noisily, or shows persistent digestive changes, and take the record with you so dates and weights can be reviewed in order. Act sooner if she seems weak, is being pecked because she cannot keep up, or cannot reach feed and water comfortably.
Keeping those entries where they can be found turns a notebook habit into a usable history, and KinsLe's Pet Passport does that by holding your Wyandotte's records together in one portable packet for vet visits, travel, or a change of keeper.