TEST REPORT

The SAV-A-LIFE Deer Alert®, a device for the protection of wildlife, was tested for effectiveness in March 1981 at the Institute of Applied Physics of the Technical University Vienna. The required frequency ranges as well as sound intensities were checked in a number of trails and were confirmed in a Certificate.

So far as practical results were concerned, the evidence showed that not a single accident involving wildlife had occurred whenever the device was used.

The Finnish Experimental Institute for Forestry and Agriculture, in Rhvenjari, Finland, has tested the device from a practical standpoint, as to its effectiveness with live animals.

The findings confirmed in practical tests the effectiveness already proven in theoretical trials:

“The experiments, performed during the period June 20 to August 17, 1981, were designed to establish clearly how wildlife (ranging freely over most of Finland’s territory) as well as domestic animals and certain types of large-size game reacted to the SAV-A-LIFE Deer Alert. In particular, the reaction of the animals to the various tones produced by the variable air pressure was investigated.”

The test methods involved three different approaches:

	Mounting the device on a passenger automobile, a Volvo DLm/80.
	Generating various frequencies by blowing by mouth.
	Generating frequencies by means of a compressed-air device

Animals used as test subjects.

The following animals were used in the tests:

Dogs (including Carelian bear hounds, Finnish and Swedish spitzes, mongrel dogs, Scottish shepherds, German shepherds, English Sheepdogs, Chinese shih tzu, and Rottweilers ); cattle; European bison, sheep, horses, camels, deer and elk, both roaming freely and in captivity, European fallow deer, chamois, reindeer, wolves, bears (zodiac, Malay and Finnish brown bears), and bats.

The tests on animals in captivity were performed in Helsinki’s Korkeasaar Zoological Garden or in the Evon Testing Institute.

Care was taken in all tests to ensure that the animals were not disturbed by the approach itself, but only by the whistle tone alone. In particular, observation centered on the position of the ears, which in most animals were immediately oriented in the direction of the ultrasound. Before the main body of the trails was undertaken, the effect was tested on dogs, since they displayed the most reliable reaction in the experiments.

After the animals had gotten used to the presence of the testers, the trials themselves were begun, using the various methods (blowing by mouth and with compressed air).

In so doing, the frequency was varied continuously (from a soft tone to tones no longer perceivable by the human ear), as was the distance from the test subjects.

The tests evidenced clear-cut reactions from all animals, except cattle, sheep and camels.

The fastest reaction was displayed by wild animals. Elk and deer proved that freely roaming animals react more quickly than the same animal in captivity (conditioning effect of ambient noise in the same frequency-range).

In vehicle tests at speeds of 35mph (60 kms/hr) dogs in particular reacted sharply to the approach of the test vehicle.

Although the duration of the tests was found to be too short, it could already be determined that the frequencies of the SAV-A-LIFE Deer Whistle represented an acoustically disturbing factor for the various animals, causing an obvious reaction. In a number of cases, the tones generated by the device obviously stopped the animals in their tracks.

In that case, the animal’s ears would be turned sharply in the direction of the whistle tone. Animals that were about to cross the road would stop in their motion.

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