Vets First Choice of Portland is poised to become Maine’s newest publicly traded company. The veterinary technology provider plans to merge with the animal health division of an existing public company called Henry Schein Inc., which would be spun off as its own entity, according to a company statement issued Monday. The new company would be called Vets First Corp. and would be based in Portland, company officials said. The transaction, which is subject to approval by securities regulators, is expected to happen by the end of this year. Read more