Small dog, athlete's engine
Yes, a Russell Terrier benefits from a weight log out of proportion to his size — which is precisely the point. The Russell is a compact working terrier, mostly leg and determination, with the energy output and appetite of a dog several times larger. On a frame this small, a gain that would be invisible on a retriever is a meaningful percentage of his whole body, and it arrives quietly because an active Russell looks fit even while padding accumulates over the ribs. Owners also guess portions for small dogs by eye more than for any other size, and the handful that looks harmless in a big bowl is a feast in his. The log replaces both guesses with numbers scaled to the dog he actually is.
Weighing a terrier who would rather be digging
Make the scale a quick, paid job: step on, treat, done, before breakfast, on the same day each month for an adult and every two weeks for a puppy. A flat pet scale suits a Russell better than being held, since a held terrier leans, twists, and relocates his weight mid-reading. Pair every entry with the terrier-specific condition check: ribs felt easily under a thin cover when your hands run along his sides, a clear waist, and — often missed on this breed — a feel over the chest and the base of the tail, where a busy, well-fed Russell quietly stores extra. Write down all three findings, not just the headline weight.
Notes for a working and training lifestyle
Record what the month contained: earthdog or agility training, long hiking days, or a quiet stretch of garden patrol, because a Russell's correct food amount swings with his workload more dramatically than a pet dog's twice his size. Log treats separately and honestly — training rewards are food, and a heavily trained Russell can earn a second dinner in liver pieces without anyone noticing. Note any change in who feeds him; small charismatic terriers are champion multi-household beggars, and a rising line with a note about a new neighbour who shares biscuits is a solved mystery, not a medical one.
Puppy growth on a small, fast schedule
A Russell puppy reaches close to his adult size far sooner than a large breed, so the growth section of his log is short but steep: weigh frequently through the first months, expect steady small gains, and watch that enthusiasm for feeding the brave little worker does not push the line up faster than the frame grows. Once adult size arrives, the line should settle into a tight band. Because everything about this dog is small, judge changes against his own recent entries and condition notes rather than by whether he still looks like a Russell — he will look like one long after the log says portions need trimming.
When a small change deserves a vet visit
Show your vet the log if weight drops across consecutive entries, if a puppy stops gaining during his growth months, if appetite fades in a breed that rarely skips a meal, or if energy dips as the number moves. On a small dog, a modest-looking loss is proportionally serious, and dated entries let the vet see that at a glance. Keeping the log in his KinsLe Pet Passport travels his measurements and condition notes with his health paperwork, so anyone treating or minding him works from his real size, not his personality.