Keron Inlay Soles. Calf Rearing Dairy Farming Cattle Breeding and Cattle Farming Barn & Farm Supplies Pest Control Pig Breeding and Farming Veterinary Equipment Ear Marking Sheep Breeding & Farming Poultry Breeding Rabbit Farming Safety in the workplace high grip thanks to rubberised PU boot sole. Sole Species. There are two main species which are referred to as sole in UK waters: Dover sole and lemon sole. Both are highly prized food fish, and therefore commercially important, but only Dover Also consider releasing any Dover sole caught during April, May and June as this is the breeding season of this species. A disfigured foot, as well as one that has been improperly trimmed, will give a false reading. Thus it is imperative that the farrier be able to judge the balance of the foot in relation to the limb using only his or her eyesight. The hoof gauge is a useful tool in the proper hands and little more than a crutch when used as the sole.