Took the dogs,over the fields after work. Walked through the gate and let them off running around like looneys any how this fellas heading towards me with his dog. Which starts to run towards my 2 so with that mine start to do the same. I call them both back, sky my collie whippet grey comes trotting back storm my 1/4 bull x stops thinks and carrys on, running straight into this little 18 wk old cockerpoo! So I start to call the dog back which is now all excited but this little pup don't want to play and legs with to which sky takes of coursing the poor thing like a bunny and lightly mouthed i