Background
Dermatobia hominis (D. hominis) is a botfly that causes furuncular myiasis in several species of domestic and wild animals. However, reports of feline infestation by larvae of this dipteran are rare.
Objective
To report the natural occurrence of furuncular myiasis caused by D. hominis in five cats and the efficacy of topical fluralaner for its treatment.
Animals
Five adult mixed‐breed cats (four males, one female) were diagnosed and treated, all living in the state of Rio de Janeiro, Brazil.
Results
The cats were treated with topical fluralaner. After this treatment, the larvae were dead after 24 h in three cats and after 48 h in two. There was spontaneous expulsion of larvae in two cats, and it was necessary to perform manual expression for removal of dead larvae in the other three cats.
Conclusions and clinical importance
Dermatobia hominis can cause furuncular myiasis in cats, although this appears to be less common than in other animal species. Topical fluralaner proved to be effective in the treatment of this parasitic disease.
Abstract The aim of this study was to evaluate the efficiency of different substrates for larval development of Ctenocephalides felis felis during its biological cycle. Eight hundred eggs of C. felis felis from a flea maintenance colony were used. Different diets were formulated, in which the main substrates were meat flour, powdered milk, sugar, lyophilized bovine blood, tick metabolites and lyophilized egg. The flea eggs were placed in test tubes (10 per tube) and approximately 2 g of the diet to be tested was added to each tube. There were 10 replicates for each substrate. After 28 days, each tube was evaluated individually for the presence of pupae and emerged adults. The following percentages of the larvae completed the cycle to the adult stage: 67% in diets containing tick metabolites; 55%, meat flour; 39%, dehydrated bovine blood; 14%, powdered milk; and less than 1% in diets containing sugar, lyophilized bovine blood, lyophilized egg or wheat bran. It was concluded that among the diets tested, the one constituted by tick metabolites as the substrate was shown to be the most satisfactory for maintaining a laboratory colony of C. felis felis, followed by the one containing meat flour.
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