Skip to main content

Search

A group of brown cattle foraging in a green field.

Prussic Acid Poisoning

As the first frost date approaches, producers often have concerns about the risk of prussic acid poisoning in livestock. Certain forage plants, especially sorghums and related species are associated with an increased risk of death loss because of prussic acid poisoning.

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.

A brown cow and a black calf standing in a muddy, water-soaked feedlot.

Notes From the ADRDL: Yersinia Infections Taking Advantage of Beef Cattle

Of all the germs associated with cattle illnesses during the challenging summer and fall, a pathogen that’s not one of the usual suspects has been identified in several cases of cattle death losses in Eastern South Dakota.

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.

A stock pond with algae blooms developing throughout.

How Important Is Water Quality to Livestock?

Water is the most important nutrient to all livestock animals and is sometimes overlooked. Poor quality water can have a negative effect on growth, reproduction, and general productivity of the animal.

A rancher inspecting the water quality of a small stock pond.

How Do Sulfates in Water Affect Livestock Health?

Poor-quality water will cause an animal to drink less. As a result, they also consume less forage and feed, which leads to weight loss, decreased milk production and lower fertility.

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.

Entrance to the Animal Disease Research and Diagnostic Laboratory at South Dakota State University.

How Would Veterinary Diagnostic Labs Test for African Swine Fever?

What would African Swine Fever testing look like through the lens of our veterinary diagnostic laboratories? Interestingly, we know exactly what it looks like, because it’s already being done at sites such as the Animal Disease Research and Diagnostic Laboratory at South Dakota State University.

Two dairy calves in a small pen wearing warming jackets.

Dairy Calf Respiratory Disease: Treatment in the Aftermath of Cold Weather

Cold weather is not just hard on the people taking care of animals, it can be tough on the animals themselves. Consider respiratory disease (pneumonia) in dairy calves.

Several black beef cattle close together feeding.

Tuberculosis in Cattle: What you need to know

Bovine tuberculosis is a chronic and slowly progressive disease of cattle that emerges periodically in the US, as it has with a recent discovery in a Harding County, South Dakota, cattle herd.