Hunting Tests US

What type of whistle do you use? How high is its frequency? And how loudly do you blow it?

An article on the AKC website reports that dogs can hear "sounds as high as 47,000 to 65,000 Hz" compared to the average adult who cannot hear sounds above 20,000 Hz. The intensity of the sound also matters. "When sounds are between 3,000-12,000 Hz in frequency dogs can hear sounds when they're between -5 dB and -15 dB>

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Researchers at the College of Engineering, College of Agriculture and Life Sciences, and the Virginia–Maryland College of Veterinary Medicine have developed a new, noninvasive, rapid cancer test that uses a dog's urine, Phys.org reported.

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