Occurrence of antibodies and epidemiological significance of Toxoplasma Gondii and Neospora caninum infections in canine populations of Laguna, State of Santa Catarina.

Toxoplasma gondii and Neospora caninum are two species of protozoa that belong to the Apicomplexa phylum and are distributed worldwide. T. gondii is one of the most extensively studied parasites due to its significant health implications.

Canine visceral leishmaniasis: Seroprevalence and georeferencing in the state of Santa Catarina, Brazil.

Canine visceral leishmaniasis (CVL) has long been considered an endemic disease in the northern and northeastern regions of Brazil, while the southern region remains non-endemic. However, in recent years, several cases of CVL have been reported in southern states. The objective of this work was to determine the seroprevalence of CVL in dogs in the state of Santa Catarina, Brazil, through immunochromatographic tests (DPP®) and ELISA (Enzyme-Linked Immunosorbent Assay) and its correlation with environmental characteristics through georeferencing.

Prevalence and risk factors for Dirofilaria immitis in dogs from Laguna, Santa Catarina, Brazil.

Dirofilaria immitis is a nematode found worldwide and able to infect several species, such as dogs, cats and, under rare circumstances, humans. In Brazil, most of the infections are related to coastal areas. The present study aimed at determining Dirofilaria immitis prevalence and evaluating the possible risk factors for infection in dogs, in Laguna, Santa Catarina, Brazil.

Experimental infection of tachyzoites of the NC1 strain of Neosporacaninum in female swine.

Neospora caninum is a protozoan that can cause reproductive problems in several animal species. Although N. caninum infection has been reported in swine, the pathogenesis and clinical signs are not fully known in this species.