Ectoparasites are capable of transmitting infectious diseases and, therefore, are of zoonotic concern. Cats submitted to a spay/neuter program in the city of Rio de Janeiro were examined to determine the distribution of ectoparasites in cats from a city with a tropical climate. Independent of gender, breed, or age, 292 cats were combed and subjected to otoscopic examination. Ectoparasites were collected, and blood samples were taken to determine packed cell volume. The majority of the 292 cats were female (71%), and most of them were categorized as domestic short hair cats (92%). Different species of ectoparasites that produced both single agent and multi-agent infestations were detected in these cats. Most cats were infested by Ctenocephalides felis (60%); however, other ectoparasites were found to a lesser degree in the sampled population (Felicola subrostratus (5.4%), Rhipicephalus sanguineus (1.4%), Lynxacarus radovskyi (1%), and Otodectes cynotis (6.2%)). Within the infested cats, 16.3% were also anemic, and there was a significant association between the occurrence of anemia and flea infestation. Of all sampled cats, 65% were infested by at least one species of ectoparasites, which suggests both a heavy infestation of the environment and owner negligence. Ectoparasites are not only nuisances to both cats and owners, but they are also significant carriers of disease. Therefore, the implementation of rigorous, safe preventive measures is of great importance.
The prevalence of Bartonella species DNA and antibodies for Bartonella henselae were studied in 40 clinically healthy cats (Felis catus, Linnaeus 1758) submitted to a spay/neuter program in Rio de Janeiro, Brazil. Additionally, the prevalence of Bartonella species DNA was investigated in the fleas found parasitizing the subject cats. For this purpose, blood samples were obtained from all cats, and DNA extraction was performed on the blood, and blood clotted samples, as well as on pools of fleas obtained from them. Antibodies for B henselae were detected on serum samples. Bartonella species DNA was detected in 17 cats, whereas serum reactivity for B henselae was found in 19. A total of 20 cats were flea-infested and nine of these 20 had Bartonella species DNA in their blood. In four of the 20 flea-infested cats, Bartonella species DNA was detected in the fleas obtained from those cats, but only one of these four cats had Bartonella species DNA in its blood.
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