Skip to main content

Diseases & Disorders

All Diseases & Disorders Content

Pregnant black angus cow standing in a dry pasture.

High Nitrates and Pregnant Cows

Drought poses many challenges to the beef cow herd. Nitrates in feed is one of the challenges that producers need to be aware of, especially in the reproductive herd.

Close-up of the feet of a man standing on a bathroom scale with a blue towel lying nearby.

Overweight & Obesity: Leading Cancer Risk Factor

The Centers for Disease Control and Prevention released a study that links overweight and obesity to 13 different types of cancers.

Soybean cyst nematode symptoms.

Know Soybean Cyst Nematode, Numbers Matter!

Have you noticed parts of your soybean field turning yellow earlier than expected? Are some of the plants stunted or showcasing a roller coaster appearance? Soybean cyst nematode may be to blame.

Small group of cattle grazing near a sorghum field at sunset.

Prussic Acid Precautions

During periods of drought, it is important to aware of the factors that can be a concern during these conditions, specifically nitrates and prussic acid. It is important to take precautions when using feeds that could contain one or both compounds.

cattle grazing early spring pasture

Grass Tetany: Now Is the Time To Prepare

Grass tetany is a metabolic disorder associated with grazing lush, rapidly growing pastures. Learn the factors that influence its progression along with tips for preventing and managing it in herds.

A field of flowering alfalfa.

Precautions for Grazing Weevil-Infested Alfalfa

Alfalfa weevil populations are high this year, creating challenges for producers. Questions have arisen on how to get some value out of the forage by grazing it rather than putting it up for hay.

A stock pond with noticable blue-green algae bloom throughout.

Blue-Green Algae and Livestock

With warmer temperatures, the conditions are right for blue-green algae blooms. Different species of blue-green algae contain various toxins, which can poison livestock, resulting in rapid death.

A herd of cattle grazing near a pond on an open range.

Nitrates and Livestock Water Quality

Nitrate poisoning is something we think about with forages such as millet, oats, corn, sorghum, sudan, kochia and others that have been fertilized or if there is a drought, but water can also be a contributing factor.

a sprawling green plant with flowering yellow heads

Sweet Clover Poisoning

Hay that contains sweet clover can be an excellent feed as long as the dicoumarol level is known and feeding management is used to prevent poisoning.

Tomato spotted wilt virus symptoms

Tomato Spotted Wilt Virus

Tomato Spotted Wilt Virus can be a problem in both field and greenhouse situations, and most frequently its effects in South Dakota are observed on tomatoes and peppers.