Starch in Deer Diets – Feeding Deer Corn | Purina Animal Nutrition (2024)

Many people think that high-protein feeds are bad for deer.

However, from a nutritional perspective, it is starch, not protein, that usually causes digestive problems for deer.

The perils of too much starch for deer

Like all ruminants, deer need a proper rumen environment to maintain the populations of microbes that digest the plants that the deer eats. Normal rumen pH is about 6.4 to 6.8, or very mildly acidic. However, too much starch, especially if consumed in a short time, results in a great deal of lactic acid being produced in the rumen. This drops the pH, making the rumen much more acidic and killing off the vital microbes. This can result in founder, acidosis, and even death. Founder is usually the result of rapid consumption of a diet that is too high in starch and in some situations causes enterotoxemia (overeating disease). Acidosis and sometimes death are the common result of fast consumptions of starch.

Caution in feeding deer corn

What is the major source of starch for deer? CORN! In addition to being low in protein and minerals, corn is very high in starch, and the rapid consumption of two to three pounds by a deer not used to it is enough to cause serious problems. This is why, if you must feed deer corn, it is best to use a spin feeder or scatter by hand, which will minimize the amount provided and the speed with which the deer can consume it. Conversely, small amounts of starch provide valuable energy and can actually improve the digestion of forages by optimizing the microbe population in the rumen.

The proper deer ration of starch-to-fiber

Researchers have found that there is a proper starch-to-fiber dietary ratio, and this varies by species. Properly formulated commercial feeds provide the correct ratio and make it easy for you to properly feed your deer. It is very difficult to provide the optimal nutrient balance without a thorough knowledge of the composition of the feed ingredients and the nutrient needs of the animal. A thoroughly balanced, high-quality feed is the fastest route to healthy deer and trophy antlers.

Starch in Deer Diets – Feeding Deer Corn | Purina Animal Nutrition (2024)

FAQs

Starch in Deer Diets – Feeding Deer Corn | Purina Animal Nutrition? ›

Caution in feeding deer corn

Will deer eat corn starch? ›

The starch intended for use by the growing corn plant is also readily available to the deer, which is why deer crave corn. Although starch is an important source of energy, it may be a problem for deer because deer are ruminants.

Do deer get any nutrition from corn? ›

As long as deer owners don't use corn as a deer's primary food source, the impact will be positive. It can be advantageous as a supplement to complement the right feeding plan. Corn combined with typical food for deer like leaves, fruits, nuts, and grass can significantly benefit their health.

What happens if you feed deer corn? ›

For better or for worse, products like “deer corn” are much like junk food for deer, and can cause painful ailments such as acidosis, enterotoxaemia, aflatoxin poisoning, and hoof deformities. As ruminants, deer maintain a specific blend of microbes in their gut that breaks down their naturally high-fi- ber diet.

What is the healthiest thing to feed deer? ›

Whole corn and whole oats can also be used and are often readily available. A ratio of 1:1 to 1:4 corn:oats is recommended. Avoid feeding pure corn, barley or wheat as they are too high in starch and may cause digestive problems leading to death.

Can animals eat cornstarch? ›

Cornstarch and other food starches that have been processed and cooked are extremely digestible, even for obligate carnivores like cats. This does mean that cornstarch as an additive in cat foods can be a good addition due to its high digestibility and low likelihood of leading to stomach upset.

Why shouldn't you feed deer corn in the winter? ›

Just the right combination of microorganisms, enzymes, and pH enable deer to digest a normal winter diet of woody vegetation. When offered a sudden supply of corn, a deer's digestive system doesn't have time to adjust to a high carbohydrate diet.

What should you not feed a wild deer? ›

Certain items are bad for deer's health, such as bread, corn, and other foods with an excessive amount of starch. The starch in barley and wheat can lead to severe indigestion issues in a deer, and may lead to death.

What is the cheapest thing to feed deer? ›

One of the cheapest deer feed options is corn.

How much corn to feed deer per day? ›

Setting up a deer feeder

To set-up a feeder, select an area where deer traffic is good, and then follow these steps: Set up a spin feeder to throw out 1-2 pounds of corn every 6 hours, or spread it by hand using gloves or a scoop to limit human scent. This amount will attract them to the area you want to feed.

What food is irresistible to deer? ›

The top 20 deer foods are: acorns, alfalfa, apples, beechnuts, brassicas, cereal grains, clover, corn, cowpeas, fall leaves, fir needles, forbs, milo, northern white cedar, persimmons, pears, saplings and shrubs, soybeans, and treetops (felled or fallen).

What is a deer's most favorite food? ›

So what does a deer eat? Deer will primarily eat browse (woody portion of leaves and stems), forbs (broad-leaved plants), mast (acorns, apples, etc), and grass. Although these are the main foods deer like to eat, the quantity of these different foods differ throughout the year and the region you are hunting.

What is the best supplemental feed for deer? ›

The best supplemental winter feed is a block or pellet formulation containing at least 14 percent protein like Record Rack® Sportsman's Formula or Deer Block. It should also provide sufficient energy (in the form of fatty foods and carbohydrates) and contain enough fiber to promote normal digestive function.

What do deer love to eat the most? ›

The top 20 deer foods are: acorns, alfalfa, apples, beechnuts, brassicas, cereal grains, clover, corn, cowpeas, fall leaves, fir needles, forbs, milo, northern white cedar, persimmons, pears, saplings and shrubs, soybeans, and treetops (felled or fallen).

What can I feed wild deer in my backyard? ›

However, if you still want to provide supplemental feed for deer, it's essential to choose appropriate options that meet their nutritional needs and don't cause harm. Some good choices include apples, carrots, corn, oats, alfalfa, soybeans, and clover.

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