HerdWellLameness is one of the biggest welfare challenges in dairy cattle, and the earlier it's caught, the better the outcome for the cow. HerdWell turns everyday barn footage into clean walk-by clips, re-identifies each animal, and serves a fast pairwise gait-rating workflow, so researchers spend time on welfare, not bookkeeping.
Lameness causes pain and lost production. Catching it early means faster treatment and a better life for the animal.
Pairwise comparisons remove the guesswork of absolute scales: raters just judge which of two cows walks worse.
Role-based access, full audit logging, and exportable rankings keep every campaign reproducible.
From raw barn video to per-cow welfare rankings in four steps.
YOLO + tracking cut one clean clip per cow walk-by; a classifier keeps the good ones.

Visual re-ID groups clips by individual animal so scores follow the cow over time.

Raters compare two clips at a time: fast, consistent, and low-fatigue.
Comparisons roll up into per-cow lameness rankings, flagging the animals that need attention first.
HerdWell draws on peer-reviewed work in cattle welfare, computer vision, and Bayesian ranking. These are foundational papers behind the methods we use.

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