Most swine flu strains in North America have genome segments that were acquired from human strains, because flu viruses have a segmented genome that allows one virus to trade segments of its genome with another strain.  |  File photo

Managing influenza in pigs is a frustrating task

Influenza has had a lot of attention over the past several months with a highly pathogenic avian flu strain causing health challenges in dairy herds in the United States. While there have been other cattle influenza infections over the years, this is perhaps one of the more significant birds-to-bovine events. In this article, we will […] Read more


When we hear hoofbeats, we should first think horses, but we cannot forget zebras exist. | File photo

New and emerging swine diseases deserve close watch

Veterinarians are taught that when we hear hoofbeats, think of horses, not zebras. This is sage advice to help maintain a diagnostic process based on probabilities. If I come across a nursery pig that has died suddenly with organs that have tiny hemorrhages and slightly enlarged lymph nodes, I will request tests to confirm a […] Read more

Hog farms that concentrate breeding activities to allow for larger groups to be bred at the same time, farrow at the same time and subsequently wean at the same time will benefit on many levels.  |  File photo

Batch farrowing is a strategy that can improve hog health

Conventional farm health wisdom focuses on vaccines, antibiotics and other medical interventions. In addition to these hallmarks of pig health management, some farms have gone back to basics in designing pig flow through their operations to improve animal health. Pig flow also affects sustainability of the farm’s human resources, marketing of hogs and profitability. In […] Read more


Young pigs in a pen in an indoor hog barn.

Strep zoo: bacterium affects pigs in Western Canada

Western Canadian swine farms manage many bacterial challenges by controlling what pig sources are mixed together, reducing environmental and other stressors, good nutrition and control of viral diseases that act as cofactors in many bacterial challenges. A lot of farm bacterial challenges become repeatable, following similar patterns to previous outbreaks or challenges. Fortunately, many common […] Read more