Brianne West and friends on her Canterbury lifestyle block. PHOTO: TIM CRONSHAW Brianne West has a new lineup of plastic-free businesses blossoming but that’s not everything she is growing, Tim Cronshaw writes. At the sound of the doorbell a formidably large pre-teen dog bounds into the hallway to deliver a frantic welcome. Ethical entrepreneur Brianne West’s assurance Dora’s energy burst is only temporary proves prophetic. Soon after the six-month-old bull mastiff conks out, sprawled in the mid-morning sun and oblivious to the world. Dora has got a good thing going. Along with 68 animals, big and small, the youngster lives with her owner on a Canterbury four-hectare lifestyle block transformed into a regeneration project. A coop full of chickens, two retired racehorses, two strong-minded goats and a pair of Highland cows get the silver service when it comes to their care.…