Enables growth factor activity; heparin binding activity; and type 2 fibroblast growth factor receptor binding activity. Involved in several processes, including ovarian follicle development; phosphatidylcholine biosynthetic process; and surfactant homeostasis. Located in extracellular space. Orthologous to human FGF7 (fibroblast growth factor 7). [provided by Alliance of Genome Resources, Apr 2022]