Feeding Dry Cows for Better Calving

A dry cow is not on vacation. What she eats in the last two months before calving shapes how easily she calves and how well she starts the next lactation.

Key points

Dry cows need a planned ration, not leftovers from the milking pen.
Aim for the body condition your nutritionist recommends and adjust in late lactation, not in the dry period.
Mineral balance in dry cow rations affects health at calving, so build it around your forage analysis.
Space, comfort and few group moves protect intake.

What the dry period is for

The dry period is a rest for the udder and a time when the cow finishes growing her calf and prepares for the next lactation. It is commonly around two months. Feeding in this stage has two jobs: keep the cow in the right body condition, and get her rumen and metabolism ready for fresh cows' diets.

Gestation is roughly nine months, about 280 days, and most fetal growth happens in the last stretch. Her needs rise as calving approaches even though her appetite tends to fall.

Think of the dry cow group as two groups with two plans, far-off and close-up, even if your barn only lets you run them as one pen. Ask what compromise your nutritionist recommends.

Aim for the right body condition

Body condition score uses a scale of one to five. Cows that are too fat at calving are more prone to hard calvings, fatty liver and ketosis. Cows that are too thin may lack reserves and may milk or breed poorly.

Condition is easier to change in late lactation than in the dry period, because a lactating cow uses feed more efficiently for gain. Ask your nutritionist what score to target at dry-off and calving for your herd, and score cows regularly so you see trends.

If cows are too heavy at dry-off, talk with your nutritionist about the late-lactation ration instead of trying to slim them down while dry.

Far-off ration basics

Far-off cows are commonly fed a controlled-energy ration based on forage, often with straw or similar fiber to limit energy intake and keep the rumen full. The goal is to meet needs without letting cows overeat.

Feeding lactating-cow rations to dry cows is a common mistake. It overfeeds energy and can make cows too fat. Your nutritionist can design a ration that matches your forages and keeps the cows satisfied.

Straw or other low-energy fiber can help fill the rumen, but only if it is chopped and mixed so cows cannot sort it out of the bunk.

Test forages and balance for the dry cow group
Avoid free-choice feeding of high-energy forage
Provide clean, plentiful water
Weigh feed and refusals to check actual intake

Close-up ration and minerals

Close to calving, many herds change the ration to prepare the cow for the demands of milk and for fresh cow feed. Calcium and the balance of minerals in the diet influence how well cows handle the start of lactation. Rations may be designed in different ways, and your nutritionist will pick the approach that suits your forages and goals.

Do not copy a neighbor's dry cow program. Forage minerals vary widely, and an approach that works on one farm can cause problems on another.

Watch cows closely in the days around calving. Poor appetite, swelling of the udder that looks abnormal, or weakness are reasons to call your veterinarian promptly.

Housing, space and stress

Even a perfect ration is wasted if the pen is crowded or hot. Dry cows need clean, dry resting space, easy access to feed and water, and room to avoid dominant animals. Heifers close to calving have extra stress from being new to the group, so give them extra attention.

Keep group moves to a minimum and plan them. Frequent changes cut intake just when it matters most.

Heifers entering the dry cow group for the first time often need a little more room and more time at the bunk than older cows.

Provide enough bunk space for every cow to eat at once
Keep bedding clean and dry
Offer shade, airflow or cooling in hot weather
Limit regrouping and handle cows calmly

Records and monitoring

Keep records of dry-off date, body condition, ration changes, calving ease and fresh cow health events. Over time, these show whether the dry cow program is working and where to adjust.

Review them with your veterinarian and nutritionist at herd visits. Look for patterns across cows rather than blaming a single event.

A simple wall chart in the office is better than good intentions, because it shows the whole group at a glance.

Common mistakes and what to ask

Common mistakes include feeding too much energy, ignoring mineral balance, allowing crowding, overlooking heifers, and making sudden ration changes at calving. Another is forgetting that dry cows still need regular checks.

Bring these questions to your next ration review.

What body condition score do we aim for at dry-off and at calving?
How is our far-off ration different from the close-up ration?
Do our forage minerals fit the dry cow program?
How are fresh cow problems tracking against our herd goals?

When to get help: Ask your nutritionist to review the ration and any change before you make it, and call your veterinarian if animals go off feed, scour, lose condition or show signs of illness. If any animal is treated, follow the label or veterinarian withdrawal times for milk and meat exactly.

Sources and further reading

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

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