| Females also preferred devocalized males that were presented along with playbacks of synthetic ultrasonic vocalizations over devocalized males paired with silence. |
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| Humane societies and animal shelters disagree, pointing out that devocalized dogs are abandoned just like any other dogs. |
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| One would have lifted a requirement to file with city and town clerks written certificates on dogs that have been devocalized, as is done when dogs are spayed and neutered. |
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| They note many devocalized dogs have been surrendered to shelters and that responsible ownership, not devocalization, is what prevents abandonment. |
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