Animal Health

All Animal Health Content

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.

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.

Blood sample sitting on a countertop in a veterinary lab.

Minimizing the Neospora Threat by Using Serology in Beef Replacement Heifer Selection

Neospora caninum is one of the lesser-known causes of infectious reproductive failure in beef herds. It’s always possible for herds to encounter new Neospora infections in a given year, but in herds in which it’s already established, using Neospora serology can be one consideration in choosing replacement heifers.

Ranchers observing a small group of cattle at pasture.

Johne’s Disease Testing in Beef Herds: Testing Plans and Responses

While still somewhat imperfect, testing herd animals for Johne’s Disease is an appropriate tool for producers and their veterinarians to begin to get a handle on the level of infection and to implement sound strategies for limiting the disease’s effects.

Veterinarian and rancher reviewing testing information on a tablet.

Johne’s Disease Testing in Beef Herds: Looking at the Available Tests

Once thought to be a dairy cattle problem, Johne’s Disease is increasingly a topic of conversation for beef seedstock and commercial producers alike. An understanding of the Johne’s Disease testing options available is a good first step in devising a herd health plan.

Outside entrance to a large-animal veterinary clinic.

COVID-19 and Livestock: Is there a connection?

When reports of the COVID-19 pandemic first hit the US, very few people had likely heard of coronaviruses—with some notable exceptions: cattle producers and their veterinarians.

A small group of black angus cattle in a feedlot.

Bigger Cattle. Warmer Weather. What Can Go Wrong?

The disruptions in the beef processing sector caused by COVID-19 continue to interfere with the orderly marketing of finished cattle. While we all hope that the situation is resolved quickly, the reality is that because the shipment of so many harvest-ready cattle has been delayed, there will be increased numbers of heavier cattle on feed for the foreseeable future.

A black angus cow walking through pasture being followed by two calves.

Lessons From Alternative Calving Workshops

Recently, the South Dakota Grassland Coalition and SDSU Extension held workshops across the State focused on sharing information from experienced livestock producers who have switched to a calving date more in sync with nature.

A group of cattle grazing in a sprawling rangeland.

Rancher’s Perspective on Challenging Heifers

This article will share a rancher’s perspective on challenging heifers during the breeding season in Northwestern South Dakota.

A group of calves in a feedlot with ample bedding.

Managing Cattle Through Winter Weather Conditions

Winter weather conditions often present challenges to cattle managers in the Northern Plains. Although we can’t alter the weather, there are management steps that can be taken to help maintain cattle health and performance.