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A herd of cattle grazing in a snowy pasture.

Are Your Cows Ready for the Last Trimester of Pregnancy?

We are beginning to enter the last three months of gestation for the majority of spring-calving cows in South Dakota, and there are a few questions that cattle owners should ask themselves in preparation.

An ear of corn in a field with visible white mold on the tip of the ear.

Can Livestock Utilize Moldy Grain?

While livestock producers know that moldy grain and forage are not ideal feedstuffs, they also know that stored feed occasionally contains a small amount of visible mold, and that their animals consume it with no obvious adverse effects. The question arises, how much mold is too much for a feed to be unsuitable for animals?

Various cuts of raw pork ready for packaging.

Looking for Foodborne Germs and Their Resistance to Antibiotics: Pork

This report analyzes the NARMS results for pork products for the period of June 2018 through May 2019.

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.

Artificial Insemination school attendee working with a liquid nitrogen filled semen tank.
Nov 14

Cattle Artificial Insemination (AI) School - November

SDSU Extension will host a Cattle Artificial Insemination (AI) School from November 14-16, 2025, at the SDSU Cow-Calf Education and Research Facility (2901 Western Ave, Brookings, SD 57006).

Man artificially inseminating a cow
Feb 14

Cattle Artificial Insemination (AI) School - February

SDSU Extension will host a Cattle Artificial Insemination (AI) School from February 14-16, 2026, at the SDSU Cow-Calf Education and Research Facility (2901 Western Ave, Brookings, SD 57006).

Man getting a straw of semen out of a tank for artificial insemination
Jan 17

Cattle Artificial Insemination (AI) School - January

SDSU Extension will host a Cattle Artificial Insemination (AI) School from January 17-19, 2026, at the SDSU Cow-Calf Education and Research Facility (2901 Western Ave, Brookings, SD 57006).

Newborn black angus calf with mother cow.

Pay Attention to Calving Distribution

Multiple factors go into defining a calving season, but through simple record keeping, management decisions can be made to increase herd performance and profitability.

SDSU Extension welcomes new bison specialist

April 19, 2023

SDSU Extension is excited to announce a new bison specialist. Jeff Martin has been named the SDSU Extension Bison Specialist and the Assistant Professor of Bison Biology and Management in the Department of Agriculture and Natural Resources. Martin’s role is 70 percent research and 30 percent Extension, and he will continue to be based at West River Research and Extension center in Rapid City, South Dakota.

group of young piglets

Swine

Providing pork producers with the research-based information and resources they need to keep South Dakota swine herds healthy and profitable is a focus of our team.