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Livestock

All Livestock Content

Group of pigs lying in a pile inside a wean-to-finish facility.

Wean-To-Finish Heating for Newly Weaned Pigs

Newly weaned pigs have some special considerations when it comes to heating. The environmental conditions during this period can have a direct effect on the long-term health of pigs.

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

Notes From the ADRDL: Yersinia Infections in Beef Cattle

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

Rancher moving a group of feedlot cattle.

Mycoplasma Bovis in Feedlot Cattle: Treating and Controlling Infections

Mycoplasma bovis is a challenging component of respiratory disease in feedlot calves. Understanding the factors that help it become established is a good first step in formulating a plan with your veterinarian to help diminish its impact on health and productivity.

A black calf isolated in a feedlot.

Mycoplasma Bovis in Feedlot Cattle: Why It’s Different and How It Causes Illness

Mycoplasma bovis is widely distributed throughout feedlot cattle populations. The insidious nature of Mycoplasma infections, and their ability to become well-established by the time they’re observed, create challenges for treatment and prevention.

Group of angus cattle grazing winter pasture.

Rotational Grazing During Winter

Winter feed represents one of the largest costs for a livestock production enterprise. Grazing pasture that has been stockpiled for winter use is a rational alternative to limit costs resulting from both harvest and feeding of hay.

Several chickens in chicken coup. Some are resting lethargically.

Importance of Chicken Infectious Bronchitis Virus: Q&A

Infectious bronchitis virus (IBV) is a coronavirus that infects chicken flocks, causing respiratory disease. Some IBV isolates can result in a kidney disease (nephritis). Drop of egg production in laying hens is an important sign for IBV infection.

A close shot of a cow's eye. The cow seems to be in pain.

Toe Abscess (Toe Tip Necrosis) in Feeder Cattle

Toe abscess (toe tip necrosis) is most commonly seen in feedlot cattle and is likely subsequent to excessive abrasive damage to the hoof, especially the toe tip. Feet may become infected when the white line is damaged which opens the claw to bacteria, dirt and manure.

Outside the SDSU Swine Education and Research Facility.

Basic Ventilation System Design for Pork Producers

Ventilation systems have the potential to maximize swine production with regard to animal growth and performance. Understanding the rationale behind their design can help any manager do the best job possible.

Fans outside th SDSU Swine Education and Research Facility.

Understanding Fan Performance Metrics and Variability

As we move into the summer season, it is important to check for proper function of fans in your operation. When selecting new or replacement fans, it is critical to evaluate the flowrate requirement at the static pressure you will be operating, compare the efficiency of fan options, and ask your equipment supplier for detailed performance specifications.

Gravel road with swine barn in the distance.

Air Infiltration in Swine Barns

Air infiltration in large, confined swine operations has been an on-going problem for producers for many years. Regardless of technological advancements in building design and construction, unwanted air penetration continues to be a consistent problem.