Weight creeps. A dog rarely gains or loses enough in a week to notice, yet six unrecorded months can hide a change that alters her joints, her stamina, and her vet's advice. A monthly log solves that problem with five fields, filled in following an identical pattern each month, taking perhaps ten minutes including the weigh-in. The value is not any single entry; it is the line the entries make when read together at a vet visit or on a quiet evening at home.
The Five Fields
Begin with the date, and weigh her on the same day pattern each month, at the same time of day, before a meal, on the same scales where possible. Record the weight itself without rounding it into a guess, and note anything that could skew it, such as a recent haircut on a heavily coated breed or a weigh-in straight after a long drink.
Next, body-condition observations, written in hands and eyes rather than numbers. Rib feel: run both palms along her ribcage and write what you felt, ribs easy to feel under a thin cover, ribs felt only with pressure, or ribs hard to find. The waist seen from above: write whether a narrowing shows behind the ribs, and how defined it looks. The waist seen from the side: note whether her belly tucks upward behind the ribcage, runs level, or sags. Add food and amount changes, recording the food she is on and any change in measured amount, treats, or table extras that month, even a change you made casually. Finish with activity notes: walk lengths, new activities, restricted exercise after an injury, or a quieter month in hot weather.
A Month, Written Properly
An entry might read: date, the first Saturday of the month; weight, 24.6 kg, recorded before breakfast on the bathroom scales; rib feel, ribs easy to feel with light pressure; waist from above, a clear narrowing behind the ribs; waist from the side, a gentle upward tuck; food and amount changes, same food, evening portion slightly reduced after treats at training class; activity notes, weekday walks unchanged, one longer weekend walk added. Six months of entries in that shape show a vet exactly when a change began and what changed alongside it.
Two Views Worth Photographing
Add one photograph to each monthly entry, taken from above while she stands squarely, and one from the side at her own height. Photographs catch what memory smooths over: a waist that was clearly defined in spring and is barely visible by autumn, or a belly line that has levelled out across a season of slightly generous portions. Keep the photos with the dated entries rather than loose in a camera roll, in the same two positions each month, on the same floor where the light is similar, so the comparison is between her body at two dates and not between two rooms, two angles, and two afternoons.
Reading the Trend
Judge the log in runs of three entries. A single lighter month can reflect a hot spell, a stomach upset, or a different set of scales on holiday, while three entries moving the same way describe a real direction. Pair the weight line with the body-condition notes before concluding anything: weight steady while ribs grow harder to feel tells a different story from weight steady with condition unchanged. If the trend moves away from where her vet wants her, bring the log to the appointment rather than adjusting food sharply at home, and let the vet set any target weight and pace of change. That boundary matters: the log records and reveals, while targets and health judgements belong to the clinician who can examine her. Entries kept inside Pet Passport on KinsLe travel with her to each appointment, so the conversation starts from her recorded trend instead of a guess.