Objective To explore the laboratory efficacy test methods and criterions of pet shampoo against fleas for public health pesticide registration.

Efficacy of pet cervical collar against fleas on naturally infested dogs and cats;

Methods Investigating extent of flea biting servicemen and observing effect of anti-flea to army in earthquake-proof through adopting synthesize measures.

Investigation on population composition of rat-shaped animals and its parasitic fleas at seven ports in Heilongjiang province;

Seasonl fluctuation of population with regard to 15 species of fleas in Northern part of China;