Using small pieces of tails and ears to identify the genetic makeup of mice and rats for research clients, a Waterville company expects to boost sales 60 percent, triple its production lab space and hire up to three more staffers this year.

GenoTyping Center of America, also known as GTCA, set up its second Maine office in Waterville’s Hathaway Creative Center in October 2018. Its business office is at the Union River Center for Innovation in Ellsworth. The company tests mice and rat parts for scientists to make sure the animals have the precise genetic makeup they need for their research. Read full story