Take pipe-clay and alum in equal parts; powder them, and reduce them in water to the consistency of cream; should the composition become dry, dilute it with water; stronger applications, as red precipitate and burnt alum, are occasionally necessary. When the wound heals use any ointment coloured with lamp-black. BRONCHIAL, _a._ Belonging to the throat. BRONCHOTOMY, _s._ The operation which opens the windpipe by incision, to prevent suffocation. BRONZE, _s._ Brass; a medal. BROOD, _v._ To sit on eggs to hatch them; to cover chickens under the wing. BROOD, _s._ Offspring, progeny; a hatch, the number hatched at once; the act of covering the eggs. BROOD MARES. No part of a racing establishment requires stricter attention than the brood mares. They should be kept, during the winter, in a paddock well supplied with water; also with a roomy hovel, with two wide entrances, to prevent accidents. There should also be rollers up each side of the door-way, as foals are apt to have their hips knocked down in striking them, or by getting squeezed against them by the mares in passing in or out. Not more than two mares should be kept in one paddock. In winter, brood mares should be fed with the best hay; and, if in low condition, should have cold bran mashes twice a day. When in foal, the greatest care should be taken that their food be of the sweetest nature; the olfactory organs of a mare, during the period of her gestation, being extremely sensitive, and mouldy hay or straw has frequently caused premature birth. Indeed, extraordinary as it may appear, abortion has been caused by a groom merely striking a mare on the nose with his hand, which proves that, during the time they are in foal, they cannot be kept too quiet, or free from danger or excitement of any sort. The smell of carrion, or of animals fresh slaughtered, should be carefully avoided; for it is very provoking to lose a fine foal, after the heavy expense incurred, by these apparently trifling circumstances, so easily guarded against.