When asked to draw up a list of textbook substituents, hardly anyone would consider to
associate such an “exotic entity” like trifluoromethoxy to the lastingly popular carboxy, acetyl …

The cat flea Ctenocephalides felis felis (Bouché) is the most important ectoparasite of
domestic cats and dogs worldwide. It has been two decades since the last comprehensive …

The use of a very effective insecticide against sucking pests, neonicotinoid imidacloprid, has
been increasing extensively. For this reason elevated concentrations are expected in …

External antiparasitic drugs used in cats and dogs have evolved in terms of active
ingredients but also regarding formulations. Old chemical groups have been supplanted by …

Cat fleas are the most important ectoparasite of cats and dogs worldwide. During the past
ten years, topical and oral applications of insecticides such as fipronil, imidacloprid …

The preparation of N-methylpyrazoles is usually accomplished through reaction of a suitable
1, 3-diketone with methylhydrazine in ethanol as the solvent. This strategy, however, leads …

Ethiprole differs from fipronil, the major phenylpyrazole insecticide, only in an ethylsulfinyl
substituent replacing the trifluoromethylsulfinyl moiety. This study compares their …

The book describes in great detail the complex life cycle of fleas. The text is based on the
example of the cat flea (Ctenocephalides felis), the most important ectoparasite. The cat flea …

Imidacloprid (IMI) is a neonicotinoid that is widely used for the protection of crops and
carnivores from insects and parasites, respectively. It is well known that imidacloprid …

Historically, veterinarians have told their clients that one flea is all that is necessary to
produce and maintain the clinical signs of flea allergy dermatitis (FAD). Newer adulticides …