Best Diet for Sheep: What Sheep Should Eat Every Day

The best everyday diet for sheep is built around forage. That usually means pasture, grass hay, or a mix of both. Sheep are ruminants, so their digestive system works best when they eat fibrous plants steadily through the day rather than large meals of rich feed. Good forage supports rumen health, normal chewing, and more stable energy.

For many adult maintenance sheep, moderate-quality grass hay or pasture is enough. Nutrient needs go up for growing lambs, late-gestation ewes, and lactating ewes, so these sheep may need higher-quality forage and sometimes a carefully measured concentrate. Merck notes that maintenance diets often target about 7% to 9% crude protein and around 50% TDN, while higher-demand animals may need diets closer to 16% crude protein and 70% TDN.

Minerals matter too. Sheep should have clean water and access to a sheep-formulated mineral or trace-mineral salt. This is especially important because sheep are unusually sensitive to copper. A mineral made for cattle, horses, or mixed livestock may contain too much copper and can become dangerous over time.

Treats and household foods should stay limited. Bread, large grain servings, kitchen scraps, and rich produce can upset the rumen. If you want to change your sheep's diet, do it slowly over several days and ask your vet to help if your sheep is pregnant, nursing, growing, thin, or has a history of urinary stones or digestive trouble.

A practical starting point is that sheep eat about 1.8% to 2.0% of their body weight in dry matter each day. Because hay and pasture contain water, the as-fed amount will look larger than the dry-matter number. For example, a 150-pound adult sheep may need roughly 2.7 to 3 pounds of dry matter daily, which often works out to about 3 to 4.5 pounds of hay per day depending on hay moisture and quality.

Pasture intake is harder to measure, so body condition scoring is useful. Merck recommends using a 1 to 5 body condition score to judge whether the current ration is meeting energy needs. Many adult sheep do well around a body condition score of 2.5 to 3 out of 5, but your vet may suggest a different target based on breed, age, season, and production stage.

Grain or pelleted concentrate should be used thoughtfully, not automatically. Some sheep do not need any grain at all. Others, such as ewes in the final weeks of pregnancy, may need supplementation if forage quality is only moderate. Merck notes that a ewe late in pregnancy may need about 1 to 2 pounds of cereal grain per day in some situations, but that amount depends on forage quality and should be introduced gradually.

If you are feeding hay full time, a common monthly cost range is about $60 to $150 per sheep, depending on region and hay quality. Sheep-specific minerals often add about $5 to $15 per sheep per month, and concentrate feed can add another $15 to $60 per month when needed.

Feeding problems in sheep often start with subtle changes. Watch for reduced appetite, slower chewing, less interest in pasture, weight loss, poor body condition, diarrhea, constipation, or a drop in energy. A rough fleece, poor growth in lambs, and lower milk production in ewes can also point to a diet that is not meeting nutritional needs.

More urgent signs include a swollen left abdomen, grinding teeth, repeated getting up and down, kicking at the belly, drooling, staggering, weakness, or sudden depression after a feed change. These can be seen with bloat, grain overload, or enterotoxemia, all of which can become emergencies quickly. Sheep with urinary stones may strain to urinate, vocalize, or dribble urine.

Mineral mistakes can also cause trouble. Too much copper may build up silently and then trigger sudden illness, especially during stress. Deficiencies in selenium, cobalt, or other trace minerals may show up as poor thrift, weakness, or reproductive and growth problems. Because signs overlap, your vet may recommend a diet review, forage testing, bloodwork, or other diagnostics.

See your vet immediately if your sheep stops eating, has a distended belly, seems painful, cannot stand normally, or becomes suddenly weak after getting into grain or the wrong mineral mix. Fast treatment can make a major difference.

If your sheep cannot stay on lush pasture all day, the safest everyday alternative is usually good-quality grass hay offered consistently. For sheep with higher energy needs, your vet may suggest adding a small amount of a sheep-specific pelleted ration or a fermentable fiber supplement such as beet pulp, rather than relying on large grain meals.

For pet sheep that gain weight easily, lower-calorie grass hay is often a better fit than rich alfalfa or heavy concentrate feeding. For thin sheep, growing lambs, or lactating ewes, higher-quality forage may help before large amounts of grain are added. The right choice depends on age, body condition, reproductive status, and what your local forage actually contains.

A sheep-specific mineral is one of the most important safer swaps you can make. Avoid cattle minerals, many goat minerals, and feeds made for horses unless your vet or a qualified nutrition professional has confirmed they are appropriate for sheep. This helps reduce the risk of dangerous copper exposure.

If pasture quality is inconsistent, ask your vet about forage testing and ration balancing. That can be a very practical step for pet parents managing multiple sheep, pregnant ewes, or lambs, and it often helps match nutrition to the season without overfeeding grain.