By Dr. Friederike Krämer, Dr. Norbert Mencke (auth.)
The booklet describes in nice aspect the complicated existence cycle of fleas. The textual content relies at the instance of the cat flea (Ctenocephalides felis), an important ectoparasite. The cat flea parasitizes not just canine and cats but additionally warm-blooded animals or even people. in addition to being the reason for painfully itching bites and allergic epidermis illnesses it's also a vector for viruses, micro organism, nematodes and cestodes. through the years the marketplace for insecticide use in small animals has turn into an immense section of the chemical-pharmaceutical industry.
Insecticides of the hot iteration will not be basically struggle the present infestation (therapy) yet also needs to successfully hinder new infestations for weeks (prophylaxis). the newest category of chemical compounds built to this impression are chloronicotinyls (syn. neonicotinoides). Imidacloprid is the 1st member of this category of pesticides with a excessive selectivity in the direction of the positioning of motion inside an insect. utilized to the surface it combats flea infestation and stops new infestations for a minimum of 4 weeks. Flea Biology and regulate describes the total improvement at the back of the compound, beginning with its discovery the entire solution to its use within the ultimate product.
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Additional info for Flea Biology and Control: The Biology of the Cat Flea Control and Prevention with Imidacloprid in Small Animals
Chapter 5 Developmental Cycle of Fleas For blood intake, the suctorial mouth parts, well adapted to piercing and sucking from the skin are used. The host's epidermis is penetrated by the flea's maxillae. A tube, the epipharynx, enters the capillary vessels and draws up blood while saliva from the maxillae is deposited in the surrounding tissue (Lavoipierre and Hamachi 1961) (Fig. 10). Thus minimal damage to the skin is caused (Lavoipierre and Hamachi 1961). The saliva of the cat flea contains a substance that may soften and spread dermal tissue, assisting in the penetration of the dermis by the proboscis (Feingold and Benjamini 1961).
1992). Newly emerged, unfed cat flea can survive several days before taking a blood meal. 3 days (Dryden 1989a). No life cycle stage (egg, larva, pupa or adult) can survive for ten days at 3°C or five days at -1°C (Silverman and Rust 1983). 8 days (Osbrink and Rust 1984). At temperatures of 5-15°C and 70-90% RH C. canis imagines were observed to survive seven days and C. felis adults an average of ten days. 1981b). Longevity of unfed adult cat fleas increases significantly in saturated air at 16°C compared to Adults combinations of lower RH's and higher temperatures (Silverman et al.
Differential diagnosis for feline miliary dermatitis and diagnostic tests to identify specific cause Disease Diagnostic test Flea bite hypersensitivity Cheyletiella dermatitis Intradermal skin test with aqueous flea antigen Skin scrapings Acetate tape preparation Skin scrapings Elimination diet Intradermal skin testing Skin scrapings Ear smear Skin scrapings Otoscopic examination Skin scrapings Fungal culture Skin biopsy History of drug exposure Skin biopsy Positive identification of pathogenic bacteria on skin cultures Rule out other causes Pediculosis Food allergy Atopy Notoedric mange Otodectic mange Trombiculiasis Dermatophytosis Drug eruption Bacterial folliculitis Idiopathic miliary eczema Table 7.