I think its like any allergy though, hit or miss. You could try it, and if it doesn't cause any scratching, then your gold.
Please please please give Maggie the steak! Its not too big for her little mouth!
Their impression of power is remarkable. They give one the feeling of immense reserves of energy, of great reservoirs of knowledge, of tolerance of disposition, obstinacy of purpose, and tenacity of principle. They are responsive, and they have a lot of quiet, good sense.
-J. Wentworth Day, from The Dog in Sport, 1938