| Ministère de l'agriculture de l'ontario : | www.omafra.gov.on.ca |
| Ontario Cattlemen's Association : | www.cattle.guelph.on.ca/markets/marketinfo.asp |
| Canfax : | www.canfax.ca/AuctionMarkets.aspx |
| BEEF Cow-calf, Ressource guide from Beef magazine : |
www.beefcowcalf.com |
| Breeds of Cattle : | www.cattle-today.com |
| Breeds of Livestock : | www.ansi.okstate.edu/breeds/cattle |
| Canadian Beef Breeds Council : | www.canadianbeefbreeds.com |
| Bovitrace : | www.bovitrace.com |
| Expertise Vétérinaire : | www.santedesbouvillons.qc.ca |
