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most of the rickettsioses are transmitted by ticks, but they can also be transmitted by fleas, lice and mites.
de fleste rickettsioser overføres af flåter, men de kan også overføres af lopper, lus og mider.
the medicine killed most fleas within 24 hours, most ticks within 48 hours and most lice within a week of treatment.
lægemidlet dræbte de fleste lopper inden for 24 timer, de fleste flåter inden for 48 timer og de fleste lus inden for en uges behandling.
it is very important to have this chemical to eliminate sea lice, which was introduced because it has been proven not to be harmful to marine life.
det er meget vigtigt at få dette kemikalie mod fiskelus, som blev indført, fordi det har vist sig ikke at være skadeligt for livet i havet.
stronghold was also effective in the treatment of adult intestinal hookworms in cats, adult intestinal roundworms in cats and dogs, and biting lice in dogs and cats.
stronghold var desuden effektivt til behandling af voksne hageorm i tarmsystemet hos katte, voksne rundorm i tarmsystemet på katte og hunde samt pelslus hos hunde og katte.
and the magicians did so with their enchantments to bring forth lice, but they could not: so there were lice upon man, and upon beast.
koglerne søgte nu også ved hjælp af deres hemmelige kunster at fremkalde myg, men de magtede det ikke. og myggene kom over mennesker og dyr.
imidacloprid interferes with certain specific receptors (nicotinergic acetylcholine receptors) in the nervous systems of lice and fleas, which results in their subsequent paralysis and death.
på lus og lopper griber imidacloprid ind i funktionen af visse specifikke receptorer (nikotinerge acetylkolinreceptorer) i nervesystemet, så parasitterne lammes og dør.