Beef cattle can be fed sugar, usually in the form of molasses or sugar beet pulp, as a small part of the ration to add energy and make feed more palatable. Too much sugar or starch, or a quick change in the ration, can cause acidosis. Keep sugar a modest part of the diet and base the ration on forage.
Why feed sugar to cattle?
- Energy. Sugars are fast-digesting carbohydrates that feed rumen microbes.
- Palatability. Molasses reduces dust, binds feed and encourages animals to eat low-quality hay or supplements.
- Rumen function. Small amounts can help microbes use protein more efficiently.
Common sugar sources
| Source | What it is | Notes |
|---|---|---|
| Cane or beet molasses | Syrupy by-product of sugar making | Often 5 to 10% of a ration; used in liquid feeds, blocks and tubs |
| Sugar beet pulp | Fiber left after sugar extraction, with some sugar | A fiber-based energy feed; beet pulp for cattle |
| Fodder beet | Root crop | See feeding fodder beet to beef cattle |
| Citrus pulp, bakery by-products | Food-industry by-products | Use in balanced rations only |
The risks
Cattle digest fiber slowly in the rumen. Large amounts of sugar and starch ferment rapidly, lower rumen pH and can cause acidosis, bloat, founder and sometimes death. Sudden changes are the biggest risk, so any change in sugar or grain should be gradual, over two to three weeks.
Wet or fermented molasses products can also cause problems, and feeding molasses to animals with no access to water can lead to trouble. Always provide clean water.
How to feed sugar safely
- Start with forage. Hay or pasture should be the foundation of the diet.
- Use molasses products according to the label. Liquid feed, tubs and blocks are made for controlled intake.
- Introduce changes slowly.
- Have feed tested and balance protein, minerals and energy. A local extension agent, nutritionist or veterinarian can help.
- Do not feed candy, sweets or leftover human food without a balanced plan. The sugar and fat can upset the rumen, and chocolate is toxic.
For related feeding guides, see feeding cattle a feed rich in starch and the best time of day to feed cattle.
Bottom Line
Sugar in the form of molasses or beet pulp can be a useful, palatable energy source for beef cattle, but it must stay a small part of a forage-based ration. Make changes slowly, provide water, and ask your vet or nutritionist to set the amounts.
This is general information. Call your veterinarian if cattle show bloat, diarrhea or loss of appetite.
