Diseases & Disorders

All Diseases & Disorders Content

A close shot of a black and red cow's face. A blurred white cow's head is in the foreground.

Testing Your Beef Cattle for Bovine Viral Diarrhea Virus

Bovine Viral Diarrhea Virus (BVDV) is among the most important pathogens affecting today’s beef and dairy cattle operations. Associated with reproductive, digestive, and respiratory illnesses in cattle, the virus can also create a congenital, persistent infection in calves, greatly aiding the virus’ spread within and between herds.

Small group of black angus cattle at pasture.

Springtime Vaccines: Tools For Healthy Summer Calves

Vaccines can be a valuable tool for cattle producers looking to help keep their calves healthy on summer pasture.

A close shot of a black and red cow's face. A blurred white cow's head is in the foreground.

Lingering Health Effects in Cows and Bulls Following a Harsh Winter and Spring

While mortality directly due to harsh winter weather is much more likely in calves rather than adult cattle, older animals can be affected too, and some of those effects might linger into the days of better weather and warmer temperatures.

small herd of black angus calves in pen

Johne’s Disease Management: Preventing Manure Contact is Key

The key to decreasing Johne’s Disease transmission is preventing young stock from coming in contact with manure from potentially infected animals.

Microscope analyzing a slide.

How the Veterinary Lab Diagnoses Anthrax in a Beef Herd

Anthrax is a serious disease of cattle that pops up somewhere almost every year in South Dakota. It’s caused by a bacteria that survives as a very tough spore form in the soil. Knowing whether a death on pasture has been caused by anthrax is important for several reasons.

small group of mixed calves

Does Cold Weather Contribute to Pneumonia in Calves?

Prolonged winter cold has some fairly obvious effects on cattle of all ages.

A close shot of a cow's eye. The cow seems to be in pain.

Anthrax: Vaccination Considerations

Anthrax is caused by bacteria, Bacillus anthracis, which has the ability to form very resistant spores in the soil. These spores can remain viable for many years on pasture, and become reactivated when the right environmental conditions exist. Fortunately for cattle producers, losses due to anthrax can be prevented through use of a vaccine that has proven its effectiveness through the years.

A small group of cattle grazing in a green pasture.

Anaplasmosis: Is it a problem in the Northern Plains?

Cattle producers have been hearing more and more about a disease called anaplasmosis. This disease recently appears to have become more common in areas not previously affected. The disease is typically associated with cattle herds in warmer areas of the country, but is it ever a problem up here on the Northern Plains?

small group of cattle resting near feed bunk

Liver Abscesses: The Unseen Profit Thief

Liver abscesses are a great example of an important value robber in feedlot cattle that’s not immediately apparent.

A patch of western wheatgrass with ergot fungus growing throughout.

Ergot in Western Wheatgrass and the Potential Effects for Winter Grazing

2019 has been a year fraught with challenges for ranchers across South Dakota. Abundant precipitation is usually a blessing, however, wet conditions coupled with a cool spring followed by warmer temperatures has caused another problem across the rangelands of South Dakota: ergot poisoning.