Before revision: Rodents In the United States, there is an estimate of 5.3 households that have rodents as URL Additionally rats have also been used for work purpose as well such as bomb detection, laying computer link cables or serving as therapy animals for URL In the past, rodents were considered vermin that spread disease and were a threat to crops, as a result the practice of keeping small mammals as pets, is a relatively recent development, arising only after large-scale industrialization.
After revision: millionRodents In the United States, there is an estimate of 5.3 households that have rodents as URL Additionally rats have also been used for work purpose as well such as bomb detection, laying computer link cables or serving as therapy animals for URL In the past, rodents were considered vermin that spread disease and were a threat to crops, as a result the practice of keeping small mammals as pets, is a relatively recent development, arising only after large-scale industrialization.