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Cow Herd Performance & SPA Tracker
Find out which cows are paying their way — and which ones are quietly costing you.
Herd Setup & Exposure
Set your analysis year, calving season, and exposed-female count — the SPA denominator every number builds from. Cows plus bred heifers, plus breeding females bought, minus those sold before weaning.
Cow Inventory
Your permanent cow list — ID, birth year, breed, source, and status. Age fills in automatically. This is the roster the Report Card scores.
Calving & Weaning Log
Log each calving once. The tab calculates days into the calving season, which 21-day cycle she calved in, the calf's age at weaning, and its age-adjusted 205-day weight — so calves born weeks apart compare fairly.
Per-Cow Report Card
Every cow scored on this year's calf against the herd average, with a flag pointing to the ones worth a closer look — opens, late calvers, and light weaners. The age-adjusted weight keeps it fair.
Herd SPA Summary
Your whole herd against the industry: calving and weaning rates, calf death loss, calving distribution, and the headline in gold — pounds weaned per cow exposed against the ~490 lb benchmark. Plus your unit cost of production.
Cow Herd Feed & Forage Cost
Build your annual cow cost from real figures — winter feed, pasture, supplement and mineral, plus vet, breeding, labor, and machinery. It feeds the unit-cost number on your SPA Summary, so that figure is built on your numbers, not a guess.
Year-over-Year
Trend the key numbers across up to six years — pounds weaned per cow exposed, weaning rate, death loss, and calving timing. A single off year is noise; a multi-year drift is the signal.
Looking for someone to manage your spreadsheets and keep your numbers up to date?
We offer an ongoing management service - we'll maintain your financial models, update your data, and keep everything organized and decision-ready so you can focus on running your operation.