A farm animal sanctuary, because they don’t send their animals off to slaughter like hobby farms to “produce a product”, they do not qualify. There are other options though to get your farm land approved! Below are links to see options for your sanctuary, as there are huge tax benefits if you qualify.
If you are looking at starting a business to attach to your sanctuary, there are grants that possibly could help start it. Also, for BC, this funding sources and grants for BC businesses list, which includes agriculture.
British Columbia | ALR
The Agricultural Land Reserve (ALR) is a provincial zone in which agriculture is recognized as the priority use. Farming is encouraged and non-agricultural uses are restricted.