“….border terrier dogs were mainly bred for hunting foxes they possess incredible speed and endurance, in fact they were chosen for hunting because they were able to run among the horses that their masters would ride. The speed and endurance of a border terrier dogs also enabled it to not only hunt foxes but also larger game such as wild boar, also for other faster game like rabbits, flightless birds and even be used in duck hunts…”
as it says all day no problem it what they are bred for