Keep Records on Your Calves Like You Keep Receipts

You would not run a shop without receipts. Do not run calves without records. After weaning, every dollar of feed and every treatment is going into those calves, and the only way to know whether it paid is to write it down. It is not complicated. It just takes a habit.

Why weaning is the time to start

Up to weaning, the cow does most of the work. After that, it is your feed, your vaccines and your handling that count. If a calf lags behind the others in the pen, you need to know why. Sick, bullied, poor genetics or just a poor doer? Without a record you are guessing. With one, the answer usually shows up quickly.

Records also make you money at the sale. A buyer who sees weaning date, shots and weights will pay for lower risk. A man with nothing to show gets priced like a gamble. Our guide on when and how to sell calves covers the marketing side.

What goes in the book

• ID. A tag in every calf, tied to the dam, sire and birth date.
• Weights. At weaning, and again every few weeks.
• Treatments. Date, calf, product, dose and result.
• Feed. What the pen got and how much.
• Where he went. Sold, kept or died, and what it paid.

That is the whole list. If you add more, you probably will not keep it up.

Read the scale

Average daily gain is the change in weight divided by the days between weigh dates. If a pen gains better on one ration than another, you have your answer. If three calves are way behind the rest, pull them and look them over before blaming their sire. Compare gain by sire and by dam over a few years and you will see which matings pay you and which ones just look good in the pen.

The scale also tells you when to sell. If gain is slowing and the feed bill is not, your cost per pound of gain is rising. That is a good time to start calling buyers. The Nebraska beef program has worksheets that make the math easy.

Ear tag colors and numbers can fool you at dusk in a muddy pen. Use a clear numbering system, such as a year letter and a sequence number, and keep the tag matched to a line in your book. If you lose a tag, replace it right away and note the change. A calf with no ID is a calf with no record, and it is hard to sell, treat or evaluate.

Treatment log

Write down every treatment. After a season you will see which calves got sick, how soon after weaning, and what worked. It also helps you find the weak link, such as a bad batch of calves, a muddy pen or a stressful hauling day. Keeping treatment records is also part of what Beef Quality Assurance teaches, and it is the right way to handle withdrawal times.

Records build your herd

The Angus Association's evaluation system runs on member data. Its Data Driven Herd program recognized 299 herds in 2026, with cow inventories from six head to more than 4,000. That tells you size is no excuse. A small herd that records weights and traits is more useful, and more valuable to sell from, than a big herd that does not. When you shop for bulls, favor sellers who record, as covered in our bull buying checklist.

One warning from experience. Do not trust your memory. A man will swear he remembers which calf got treated and which pen got the new feed, and by spring he does not. Cattle blend together. The book does not. If you work with partners or family, agree on one place the numbers live, so nobody keeps half the story in their head.

And keep it honest. Write down the bad weights and the dead calves along with the good ones. Records that only show good news are no use at all when you need to make a hard call.

Weigh day is also the best time to look at every calf up close. Check eyes, noses, feet and flanks as each one goes through, and jot down anything that looks off. Catching a calf that is dull on weigh day can save you a treatment bill and a funeral.

Make it stick

Use whatever you will actually use. A notebook in the truck, a clipboard at the chute, a spreadsheet or an app. Write it down at the time, not that night. Back it up, because a notebook that falls in the tank is a season lost. Then sit down twice a year, after weaning and after sale, and ask what you would do differently. Write down one change.

For more on planning, read farm.fm's page on financial planning for Angus producers, and use agriculture.directory to find scales, software and service providers. Program rules change, so check current ones. This site is independent and is not affiliated with Certified Angus Beef or the American Angus Association.