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


Recent research suggests Ureaplasma could be a potential bacterial cause of respiratory disease in cattle, but more research will be required to prove it conclusively.  |  Mike Sturk photo

Ureaplasma may be more than just a fertility problem

The bacteria Ureaplasma diversum, a common inhabitant of the genital tract of cattle, was first isolated in 1969 and originally wasn’t considered to be a disease threat. However, subsequent research, mostly in Canadian veterinary colleges in the 1970s and 1980s, suggested that Ureaplasma could be associated with failure of pregnancy at various times of gestation […] Read more



The use of animals in research in Canada is strictly controlled by the Canadian Council on Animal Care, and compliance with its rules is required by major research funding organizations, including the federal government.  |  File photo

Procedures in place for animal research

An enormous range of animal species are used in research for a variety of reasons. There is the familiar use of animals as models for human diseases, which is where the white laboratory mice and rats come in. Scientists may also study animals for their own benefit. It is worth considering the reasons we use […] Read more



Wild waterfowl are thought to be the main source of infection for domestic poultry flocks but they are now spreading the disease to wild mammals such as raccoons, red foxes and striped skunks.  |  File photo

Avian influenza infection spreads to wild mammals

The global outbreak of H5N1, a highly pathogenic avian influenza virus, continues. With the arrival of autumn, migrating wild birds may continue to spread, contract and die of this infection. Avian influenza has historically been considered a pathogen of birds. Wild waterfowl such as ducks carry it without significant clinical disease. They are also thought […] Read more

The virus is spread in the saliva, milk, or semen of infected animals but is mainly excreted in aerosol form in respiratory secretions. | File photo

Conference provides insights into FMD preparedness, control

I recently attended the Vaccine and Infectious Disease Organization’s Animal Health Summit. The conference provided veterinarians, producers and other industry stakeholders an update on the current status of foot and mouth disease (FMD) worldwide. VIDO was founded more than 45 years ago at the University of Saskatchewan and is a leader in infectious disease research […] Read more



The complex interactions of pregnancy, birth and lactation hormones such as estrogen, progesterone, oxytocin and prolactin set the stage for mothers bonding with their young.  |  File photo

Vital maternal bonding process starts during pregnancy

From what we can tell, dinosaurs didn’t do much of it. Neither do many modern-day reptile, amphibian and bird species. But mammals certainly invest significant time and food resources into rearing young. And the foundation for this critical behaviour is the maternal bond. For wild mammals, the strong bond between dam and offspring is essential […] Read more