Canadian Old Age Security (OAS) is the single largest program of the Canadian federal government. According to Budget 2012, the OAS program provides approximately $38 billion per year in benefits to 4.9 million individuals.
for the vet that would depend on if it gets sick. when you buy a new horse you should have the vet do a routine check would be about $100-$150. other then that keep your horse updated on it's shots and proper care and you don't have to worry.
This usually costs around $25 or $30. Add in shoeing, and you could pay $80 to $100 every two months. Routine medical care is an additional cost of owning a horse and includes vaccinations, de-worming and annual teeth cleaning. For a healthy horse, this can cost as little as $300 a year.