Little Stream Bakery has organic bran available for sale on a regular basis: bags are 10 to 13kg - unsealed ( not sown or taped ) from certified organic spelt, wheat and kamut. $3.75  bag picked up at 667 Glen Tay Rd.
Best to call ahead to make sure it is currently available at 613 267 9712. Consistent supply available but 2x as much available in the warmer months. Good for partial pig, chicken or cattle feed.