Anthrax kills eight cows on South Dakota farm

For the first time this year, anthrax has been reported in cattle in South Dakota. State Veterinarian Dr. Dustin Oedekoven has confirmed that 8 cows died from a herd of 87 unvaccinated cattle in Clark County. The Animal Disease Research and Diagnostic Laboratory at SDSU confirmed the disease from samples submitted over the weekend. Anthrax is an economically devastating disease for the livestock industry. Anthrax is a bacterial pathogen in livestock and wild animals. Some of the more common herbivores are cattle, sheep,goats, horses, camels and deer. Anthrax is a very serious disease of livestock because it can potentially cause the rapid loss of a large number of animals in a very short time. Affected animals are often found dead with no illness detected. When conditions become favorable, the spores germinate into colonies of bacteria. An example would be a grazing cow ingests spores that in the cow, germinate, grow spread and eventually kill the animal. Anthrax is caused by the bacterium, Bacillus anthracis. This spore forming bacteria can survive in the environment for years because of its ability to resist heat, cold, drying, etc. This is usually the infectious stage of anthrax. Anthrax spores survive indefinitely in contaminated soil, and much of South Dakota has the potential of experiencing an outbreak...MORE