Green, leafy plants on a table.

Plant-based veterinary vaccines

Plenty of challenges remain but researchers now have 
the pieces in place to someday vaccinate at the feed trough

A workshop sponsored by the Organization for Economic Co-operation and Development (OECD) and the Canadian Society of Microbiologists (CSM) on the application of plant-based immunotherapeutics and vaccines in veterinary medicine was held recently in London, Ont. The event was organized by Agriculture and Agri-Food Canada research scientists Rima Menassa and Ed Topp and was attended […] Read more

Mother cow and calf.

The Top 10 list to an easier calving season

The chances of a successful and stress-free calving season are redoubled with planning. One part of the plan is advanced preparation for dealing with things that can go wrong once calving is underway. The other is handling the longer-term pieces of brood cow management that avert many common problems, things like nutrition and vaccination. As […] Read more


Calfhood Vaccinations

Calfhood Vaccinations

Newborn calves gain temporary (passive) immunity against disease when they ingest colostrum from the dam — since this “first milk” contains maternal antibodies. After a few weeks or months this temporary protection begins to wane, however, and calves must build their own immunities. Vaccinating calves at the proper time can help protect them until weaning. […] Read more