1 The Key Laboratory of Biotechnology for Medicinal Plants of Jiangsu Province and School of Life Science, Jiangsu Normal University, Xuzhou, China 2 School of Life Science and Environmental ...

The active ingredient in Capstar, nitenpyram, works within 30 minutes and kills more than 90% of adult fleas in as little as four hours. It only protects for 24 hours, but it is safe to give daily ...