The Customs Administration’s canine division last year helped customs officers intercept 758kg of illegal drugs, which were valued at NT$330 million (US$11.86 million).
Most of the narcotics detected by sniffer dogs were ketamine, the agency said.
Taiwan has 37 detection dogs, with each dog working with one dog handler, it added.
Detection dogs are put on duty whenever high-risk flights arrive, and they must finish sniffing the luggage in about 10 minutes, it added.
The Customs Detector Dog Breeding and Training Center said that drug traffickers in Central and South American countries have tried to scare sniffer dogs by spraying cargo with the smell