Trixie High Frequency Whistle Model 2258 for Dog Training Litter Additive ROYAL CANIN Yorkshire Terrier Puppy

ROYAL CANIN Yorkshire Terrier Puppy is specially formulated with all the nutritional needs of your young Yorkshire Terrier in mind

Nano-Tech Bio-Spheres are made with inert ceramic material

In case of severe stress symptoms the concentration can be doubled

A grain-free and meaty snack to encourage play and keep your pets active

fully dissolved magnesium and does so without adding any ammonia

Trixie High Frequency Whistle Model 2258 for Dog Training Litter Additive ROYAL CANIN Yorkshire Terrier PuppyHigh Frequency Dog Whistle mainly react to tones and acoustical signals but not to speech. They learn easier when the tones and acoustical signals are the same. The High frequency Whistle is ideal for the dogs education. Dogs perceive high frequency whistles because they have a wider audio frequency range. The pitch can be set by adjusting the set screw located under the plastic cap. Whistles made of metal are available with and without frequency