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Nutrition, Forage & Grazing

Feeding Weaned Calves

Weaning is one of the hardest days in a calf's life. What you feed, how you set it up and how closely you watch in the first weeks can shape health and gain for months.

Key points

  • Make feed and water easy to find in the first days.
  • Teach calves to eat from the bunk and check that all are eating.
  • Build the ration with a nutritionist and change feed gradually.
  • Watch health closely and call the vet, following all withdrawal times.

The first days after weaning

Calves lose their mother, their routine and often their surroundings all at once. They may walk fences, bawl and eat little. Plan to make feed and water easy to find, and be present to watch them.

Offer good-quality hay or forage that they will eat readily, along with fresh water. Ask your nutritionist what the calves need in the early period, since intake is often low at first and the ration has to deliver enough nutrition in small amounts.

Keep calves in groups of familiar animals when you can. Mixing strangers at weaning adds stress, and stress cuts feed intake right when you want it to climb.

Teaching calves to eat from a bunk or feeder

Calves raised on pasture may never have seen a feed bunk. They need to learn. Place feed where they can find it easily, keep the bunk clean and give them space. Calves that have already been creep fed or had feed alongside their dams often adjust faster.

Check that every calf is eating. Those that hang back deserve a close look, because they may be sick, bullied or unsure of the feed.

Use a few older, calm, bunk-broke animals as examples if your setup allows it, and ask your vet about the disease risk of mixing.

Ration basics

Weaned calves are growing animals with high needs for protein, energy and minerals relative to their size. The right ration depends on your goals, whether you are retaining heifers, growing steers for sale or preparing calves for a buyer.

Work with a nutritionist or extension specialist to build a ration from tested feeds. Do not guess at supplement amounts or copy a recipe. Changes in feed should be gradual, and any feed additive must be used strictly according to the label.

Fresh water and a mineral supplement matching your forage and ration deserve as much attention as the grain or hay itself.

Health watch during the stress period

Newly weaned calves are more likely to get sick, especially from respiratory disease. Stress, mixing with unfamiliar cattle, weather swings and transport all play a part. Watch each calf daily for dull appearance, cough, nasal discharge, labored breathing, reduced appetite or isolation.

Talk with your veterinarian well ahead of weaning about a herd health plan and vaccination timing. Do not treat sick calves on your own. Any treated animal has a meat withdrawal time on the label or from your vet, and following it exactly protects the beef supply. Keep clear treatment records.

Low-stress weaning and handling

Quiet handling reduces stress. Some producers wean in a way that lets calves stay near their dams through a fence for a time, or keep calves in familiar pens or pasture. Ask your veterinarian and extension office about methods that fit your facilities.

Good facilities and calm stockmanship keep both calves and people safe. Follow manufacturer, OSHA and extension guidance when working with cattle, and be careful around cows protecting calves.

Fence-line contact with the cows often settles calves faster, but you need good fence so calves cannot get through or hurt themselves.

Water, mud and shelter

Weaned calves need clean water and should be able to drink without crowding. Provide dry, well-drained pens or pasture with shelter from wind and cold or shade in heat. Mud and manure buildup add disease risk and can reduce feed intake.

Check pens daily. Fix problems before they grow, and move calves if the ground gets bad.

Cold, wet weather and heat both cut intake and raise risk. Windbreaks, bedding and shade can make a noticeable difference to how calves feel.

Common mistakes and what to ask

Common mistakes include changing feed too suddenly, overlooking calves that are not eating, ignoring vaccination timing and mixing groups carelessly. Another is expecting normal gain in the first days when calves are still adjusting.

Ask your vet: What herd health program fits my calves? Ask your nutritionist: What ration suits my goals? Ask a buyer: What do they want in terms of program and records? Check with them directly about any program requirements.

When to get help: Talk with your veterinarian before weaning about vaccination timing and a health plan, and ask a nutritionist or extension specialist to help you build a ration for the calves.

Sources and further reading

Organization homepages are linked so you can search them for current guidance on this topic.

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