The popularity of the Calgary's Mothers' Milk Bank has prompted the organization to expand its operations. The group has opened a second collection depot in Edmonton.       

Donors in the provincial capital can donate breast milk at the Grey Nuns Hospital in Edmonton.

The milk is being collected for Calgary's breast milk bank which supplies nourishment for babies around the province with priority going to the sickest children.

“So the milk is only available by prescription and it will always go to the sickest babies first,” says Jannette Festival, a representative of the Calgary Mothers Milk Bank. “So we'll start with babies in the NICU.”

Breast milk is easier to digest for premature babies.  Mothers who give birth to premature children may not be able to supply breast milk immediately.

The Calgary milk bank says it has almost twice as many donors as it anticipated and its only been in operation since April 2012.