Assuntos
Anemia/veterinária , Antineoplásicos Fitogênicos/uso terapêutico , Doenças do Cão/sangue , Linfoma de Células T/veterinária , Vimblastina/uso terapêutico , Animais , Doenças do Cão/tratamento farmacológico , Doenças do Cão/patologia , Cães , Eritroblastos/patologia , Contagem de Eritrócitos/instrumentação , Contagem de Eritrócitos/veterinária , Citometria de Fluxo/veterinária , Processamento de Imagem Assistida por Computador , Linfoma de Células T/sangue , Linfoma de Células T/tratamento farmacológico , Linfoma de Células T/patologiaRESUMO
The present study was conducted to evaluate the prevalence of gastrointestinal parasites in dogs with no clinical signs (n=175; group H) and in dogs with gastrointestinal disease (n=193; group D) that were admitted to a veterinary hospital. In group H, the overall prevalence of intestinal parasites (i.e. the presence of at least one species) was 20.6%. Cystoisospora canis was the most prevalent protozoon (8.0%) followed by Giardia spp. (7.4%); Toxocara canis (5.1%) was the most frequent helminth, followed by Trichuris vulpis (1.1%) and Toxascaris leonina (0.6%). Among group H, age ≤ 6 months was found to be a risk factor for infection with C. canis and with at least one agent (odds ratio [OR]=3.4). In group D parasites were found in 33.7% of the dogs, with Giardia spp. (15.5%) being the most prevalent species, followed by C. canis (13.5%), T. canis (7.8%), T. vulpis (2.6%) and T. leonina (0.5%). In group D dogs, age ≤ 6 months was a risk factor for infection with Giardia spp. (OR=3.2), with C. canis (OR=32.7) and with at least one agent (OR=7.2). This study reveals a remarkable number of dogs infected but with no clinical signs.
Assuntos
Doenças do Cão/epidemiologia , Enteropatias Parasitárias/veterinária , Animais , Doenças do Cão/parasitologia , Cães , Eucariotos/fisiologia , Feminino , Helmintos/fisiologia , Enteropatias Parasitárias/epidemiologia , Enteropatias Parasitárias/parasitologia , Masculino , Portugal , PrevalênciaRESUMO
BACKGROUND: Canine babesiosis (or piroplasmosis) is endemic in northern Portugal, but molecularly confirmed cases of infection with small piroplasms have not been reported in the country. Three German shepherd dogs - a bitch and its 2-month old pup and an unrelated male - clinically suspected of piroplasmosis were assessed for babesial infection. RESULTS: Parasitemia with small piroplasms was detected by microscopy in two dogs. All three dogs were positive by PCR and the Babesia microti-like small piroplasm (syn. Theileria annae) was identified by DNA sequencing. These are the first confirmed cases of babesiosis caused by the B. microti-like piroplasm both in dogs from Portugal and in dogs suspected of clinical piroplasmosis outside of Spain. CONCLUSIONS: Although the bitch and the male had visited neighboring Galicia (northwestern Spain), where the disease is endemic, incursion of this piroplasm into northern Portugal is evident and infection of the non-traveled pup was due to either vertical transmission or autochthonous tick infection.