Identify a bird built for laying
Open the Leghorn file with the basics that frame every later note: where this chicken came from, its age, its sex, and whether it is a white or brown Leghorn, since colour varieties behave the same but are easily confused in a mixed flock. Photograph the upright single comb, white earlobes and lean, athletic frame, and note any leg band you rely on to pick this bird out at the feeder. Record the laying history the seller gives you, whether the bird is a pullet yet to start, a hen in full lay or an older bird slowing down. Add what feed it arrived eating and how it was housed, because a Leghorn new to a garden run reads differently in early notes than one used to ranging.
Count white eggs, and read the pattern
The daily egg record is the Leghorn's headline log, because this breed's value and health both show up in the nest box. Count eggs daily, note shell quality, size changes and any eggs laid on the floor or in odd corners, since an active Leghorn may choose her own spot over the box. Write the count beside daylight, feed and disturbance notes, so a dip after a fox scare, a house move or a ration change is not mistaken for illness, and a steady decline with weight loss is not excused as weather. Soft or crumpled shells appearing repeatedly, a hen straining in the box, or a bird who stops laying and sits hunched with a drooping comb all deserve prompt vet attention, and your written run of normal days beforehand shows the vet exactly what changed.
Log feed, calcium and ranging honestly
Feed records for a Leghorn should reflect how much this busy bird actually eats, not what the flock as a whole is offered. Note the main layer ration, access to separate shell grit for calcium, greens, scraps and how much time is spent ranging, since a keen forager fills part of her own diet. Watch weight by handling: a laying Leghorn feels lean but should keep a padded breastbone, and sudden lightness needs noting. Record water problems too, from frozen drinkers to a bully hen guarding the only source. When feed, calcium and water entries sit beside the egg count, most laying puzzles in a Leghorn resolve into a story you can already read.
Track comb, moult and flighty behaviour
A Leghorn's comb is a quick daily gauge, so note its colour and posture in your behaviour entries: bright and upright in a laying bird, paler during moult or a laying pause. Log moult start and finish, feather regrowth and when laying resumes, because this breed's annual pause is normal and your record stops it being misread next year. Behaviour notes should cover flightiness honestly. Leghorns are alert, quick and inclined to fly, so record wing or fence issues, escape routes used, and how this bird handles being caught, since a carer warned in writing will manage her calmly instead of chasing her around the run. Note flock rank and any feather pecking aimed at or by this bird.
Keep the file ready for helpers and vets
Close the Leghorn record with the practical page: which eggs to collect and check, how feed and shell grit are stored, water routines, and the calm catching method that works for this bird. File seller papers, vet notes and your seasonal laying summaries behind the daily entries so the whole history reads in order. A Leghorn kept for years builds a genuinely useful laying biography, and one clear file makes that biography available to anyone stepping in. Kept inside the KinsLe Pet Passport, your Leghorn's records stay together as a single packet wherever the bird's care is discussed.