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A steer standing in a feedlot. Its middle back has a visible bald spot due to lice.

Winter Lice Control

Seeing cattle rubbing hair off due to lice infestations can be extremely frustrating. Not only are the cattle damaging fences and equipment, there also can be performance losses and health issues not to mention that the cattle are simply not as visibly appealing, which can be very important for seedstock producers or feeders selling backgrounded feeders.

A teardrop shaped tan tick with eight legs and brown markings on a white background.

Winter Ticks in South Dakota

Winter ticks, also called moose ticks, are unlike other tick species because they are active during the winter months.

Teardrop shaped tick with a dark brown body and legs and an elongate white patch behind its head.

Ticks Becoming Active in South Dakota

The arrival of spring in South Dakota means warmer weather and more outdoor activities. However, it also brings an increase in tick activity.

A brown and black cow standing in a feedlot with flies on its face.

Summer Fly Control in Feedlots

Just as longer days mark the beginning of summer, so does the arrival of increased number of flies in feedlots. Flies are not only are an annoyance, they can reduce performance and worsen heat stress. Successful control strategies start with sanitation.

A holstein dairy cow with several flies on its face.

Fly Population Management on Dairies

Fly control on dairies is an important pest management consideration that impacts the bottom line by affecting overall animal productivity and health.

A red tractor and seed drill planting in a no-till field.

Project to Study Soil Health Economics in South Dakota

Soil degradation has become one of the most pressing global issues, because of its adverse effects on world food security, environment and quality of life.

grey to brown fly with large eyes and elongated mouthparts

What are Those Gigantic Flies?

As we progress later into the summer, we commonly see an increase in horse fly activity.

group of cattle resting in spring pasture. Courtesy: Krista Lundgren/USFWS

Parasite Control for Cow Calf Operations

Spring is coming and with calving season underway it is important to keep our eyes forward on to the next step in production.

Grassy pasture with a small hill of dirt in the foreground. There is green grass at the base of the mound.

Are Ant Mounds in Pastures Bad?

We often receive reports of large ant mounds in a pastures and rangeland. These mounds are the creation of thatching ants, which are common in South Dakota. Although these mounds are often considered a nuisance, the ants may play an important role as predators of potential pest insects.

Two flies side-by-side. The left fly is a Western horse fly. The right fly is a deer fly.

Horse Flies and Deer Flies Becoming Abundant

The above-average precipitation this year has led to increased numbers of horse flies and deer flies across South Dakota. Widespread flooding and an overall abundance of available water has made conditions perfect for these flies.