Prevtec Microbia is an agrifood biotechnology company and a spin-off company of the Reference Laboratory for Escherichia coli (E. coli) of the Faculté de médecine vétérinaire at the Université de Montréal. It works closely with veterinary practitioners, producers, academia and corporations to develop technologies and to market products that will improve the health and performance of food animals and increase food safety. It has developed Coliprotec®, a live oral vaccine recommended to preventing post-weaning diarrhea in pigs, and of which almost 8 million doses have been sold worldwide. Issued in multi-dose packages, this vaccine can be administered orally in drinking water.

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Prevtec Microbia at a glance

Coliprotec®'s benefits


Reduces the number
of ill animals and
mortality. One dose
is sufficient.

Easy to use

Administered in drinking
water and does not
require injection.


This is a vaccine,
not antibiotic.


Does not have
reported side effects.


Because it is preventive,
it reduces treatment
costs and improves
production yield.