Affiliation:
1. Universidade Federal Rural do Rio de Janeiro, Brasil
Abstract
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.
Subject
General Veterinary,Parasitology
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