Definition of "breedy"

All three girls now had gathered about the table to gauge his progress. Together they cast a breedy scent like that arising from dank beds of galax, and it overpowered even the reek of the strange meat.

1997, Charles Frazier, Cold Mountain: A Novel, Atlantic Monthly Press, page 219

[...] he watched Stephen Douglas jump a neat clear on a breedy bay mare who went by the name of China Lily.

2010, Lyndon Stacey, Cut Throat - Page 147