Diseases & Disorders

All Diseases & Disorders Content

Hands holding a corn leaf with a single tar spot lesion developing.

South Dakota Tar Spot Update: September 9, 2024

Tar spot is a potentially yield-impacting disease of corn, and it was recently found in plant samples from Minnehaha and Turner counties. Learn some expert tips for scouting and managing it this season.

Row of sheep eating from a trough in a feedlot.

Waterbelly in Small Ruminants

Waterbelly (urolithiasis or urinary calculi) is a concern in male sheep and goats on high-concentrate rations. Knowing its symptoms, forms, and prevention strategies can help you make the best decisions for your flock.

Rancher and veterinarian having a discussion near a cattle feed bunker.

Salt Toxicity: Water Deprivation

Salt toxicity is a result of either a high concentration of salt in a diet or water deprivation. Learn how to recognize its symptoms and work with your veterinarian to prevent it from impacting your animals.

Cluster of tomatoes exhibiting yellow shoulders symptoms.

Will Heat Make My Tomatoes Ripen Faster?

Are you wondering why your tomatoes won’t ripen? Have you heard that heat will make them ripen faster? Learn some answers to commonly told myths about tomatoes.

blades of brome grass with a brown to black, thumbnail-shaped growth on one of the blades.

Ergot: A Potential Livestock Poisoning Problem

Cool, damp weather followed by warmer temperatures favors grasses becoming infected with ergot bodies, which can cause a certain kind of poisoning that can affect cattle on pasture.

Assorted medical equipment for at-home diabetes testing and care.

SDSU Extension partners with Huron hospital on diabetes prevention, education

July 26, 2024

South Dakota State University Extension has selected Huron Regional Medical Center to receive a $15,000 grant and partner on a pilot project for diabetes prevention and education through Better Choices, Better Health-South Dakota.

Color-coded map of South Dakota showing Fusarium Head Blight risk throughout the state. For a detailed description, please call SDSU Extension at 605-688-4792.

Fusarium Head Blight Forecast

The warm and humid conditions prevalent in South Dakota throughout June 2024 have significantly favored Fusarium head blight disease development. As of this week, the risk for Fusarium head blight has begun to increase.

Black angus bull and heifers.

Trichomoniasis: A Tricky Cause of Reproductive Failure in Beef Cattle

Trichomoniasis in cattle is caused by a protozoal organism that lives indefinitely in the sheath of infected bulls. Once transmitted to a cow or heifer, it causes an inflammation in the female reproductive tract that results in the eventual loss of the pregnancy.

Rose rust disease symptoms on the tops and bottoms of leaves.

Rose Rust

Common rust of roses is a fungal disease that is found throughout the United States. While hot and dry summers limit the prevalence of the disease, it surfaces when weather conditions are cool and wet.

Male and female rancher observing a black cow near a cattle shed.

The Secure Beef Supply Plan

The Secure Beef Supply Plan is a continuity of business plan for cattle operations who find themselves affected by movement restrictions during a foot and mouth disease outbreak in the United States.