How long does it take for Big Pet to take effect?

The onset time of Big Pet anthelmintic is generally 36 hours after administration. In clinical practice, the specific action time also depends on the environment (temperature, humidity) in which the animal is located. , the degree of contamination by fleas, etc.), the distribution of drugs in the blood of animals varies depending on individual animals.
Relevant pharmacokinetic studies show that after topical application of "Da Cao Ai" to dogs and cats, the active ingredient selamectin in the plasma maintains a high concentration for 30 days, which means that the efficacy of Da Cao Ai lasts for one month.