Diseases & Disorders

All Diseases & Disorders Content

Producer approaching a young dairy calf.

How did a Poultry Germ Change to Cause Severe Disease in Calves and People?

In 2015, a specific strain of a germ called Salmonella heidelberg made 56 people sick in 15 different states.

FDA-approved sharps disposal containers.

Where Do the Sharps Go?

Sharps used in livestock husbandry practices are considered medical or infectious waste. Regardless of why an animal received a shot, it is important to dispose of the needle in a safe way.

Bacterial soft rot on tomato fruit.

Bacterial Soft Rot

Bacterial soft rot is a common disease that can occur in a variety of fruits and vegetables. Learn how to identify and manage it before it impacts your harvest.

a green melon hangs on a trellis

SDSU Extension to host Corn and Melon Disease Workshop at SDSU Southeast Research Farm

August 08, 2023

Field corn, sweet corn and specialty melon growers looking to learn more about identifying and managing common diseases in their crops are invited to attend the South Dakota State University Extension Corn and Melon Disease Workshop.

Three plants with tobacco rattle virus symptoms.

Tobacco Rattle Virus

Tobacco rattle virus is a common ornamental and vegetable virus characterized by ringspots on leaves. Learn what causes it, how to recognize symptoms, and how to prevent it from spreading in your garden.

Green volunteer wheat plants.

Wheat Streak Mosaic Virus Management Before Planting

Wheat streak mosaic virus is one of the important diseases in winter wheat and can lead to severe yield losses. Learn how it can be effectively mitigated by using proactive management in your fields.

Photo montage of person mowing grass with a push mower, a horse fly, a rabbit, and a tick.

Tularemia in Animals in South Dakota

Tularemia is a relatively rare, but serious, disease that has potential to cause disease in people through their contact with infected animals or insect vectors. Learn how it's transmitted, diagnosed and treated.

Left: Physiological leaf rolling. Right: C-shaped tomato leaves due to herbicide exposure.

Why Are My Tomato Leaves Curled Up?

Rolled up leaves on tomatoes are a common occurrence in South Dakota. From physiological responses to the environment to damaging herbicide exposure, learn about some of the common causes behind rolled tomato leaves.

Black angus cow with pinkeye and flies throughout its body.

What Does Pinkeye Cost?

A common disease during fly season, pinkeye in cattle can have a measurable impact on profits. A recent research project investigated the impact of eye issues on sale barn prices to find out just how much.

Heavy-duty cooler with color-coded slots for vaccines and a compartment for syringe and supplies.

Management Tips for Vaccines and Injectables

A good herd health plan involves both a vaccination program and treatment plan developed with your veterinarian. The ultimate success of a vaccination program depends on how we handle and administer vaccines to our animals.