Canine Heartworm Disease is a parasitic disease caused by the nematode Dirofilaria immitis. The adult forms are found mainly in the pulmonary arteries and the right heart of canids. This nematode is transmitted by intermediate hosts which are blood suckling mosquitoes. Canine Ehrlichiosis is a disease of domestic and wild canids, caused by the rickettsia Ehrlichia canis, that infects mononuclear cells. This microorganism is transmitted by an arthropod vector, the brown dog-tick Rhipicephalus sanguineus. The objective of this assay was to determine the prevalence of Dirofilaria immitis and Ehrlichia canis in dogs of Chorrillos, La Molina and San Juan de Miraflores districts, which are adjacent to naturally stagnated waters. Blood samples were taken from 140 dogs chosen randomly without regard of breed, age and sex from February to May, 2001. The diagnosis was made by the detection of the D.immitis antigen and antibodies against E. canis, using a commercial ELISA kit. The results showed an expected prevalence of 4.4% for D. immitis and 16.5% for E. canis. This study is the first report detecting antibodies against E. canis in Peru.
El objetivo de este estudio fue determinar los valores hematológicos y de bioquímica sérica de una población de monos choros (Lagothrix lagotricha) que se encontraban en semicautiverio en el Centro de Rescate y Rehabilitación Ikamaperu, en Lagunas, Loreto. Se trabajó con 40 monos, 12 machos y 28 hembras entre juveniles, sub-adultos y adultos en aparente buen estado de salud. Los valores hematológicos fueron similares, los niveles de triglicéridos y de AST estuvieron elevados y los de proteínas totales y ALP estuvieron bajos en relación a estudios realizados en zoológicos. El grupo etario influenció los niveles de eritrocitos, proteínas totales, bilirrubina total, colesterol y fosfatasa alcalina; asimismo, no hubo diferencias por efecto del sexo en la serie eritrocítica, conteo de plaquetas y bioquímica sérica, con excepción del número de monocitos.
The definitive host of the protozoan Toxoplasma gondii is the feline and intermediate hosts are a wide number of species, such as sheep, goats, pigs, birds and human. This protozoan is worldwide distributed, has zoonotic connotations, and cause reproductive problems in livestock, especially in sheep. The objective of the present study was to determine the seroprevalence of T. gondii in vicunas at the National Reserve of Pampa Galeras, located in Ayacucho, Peru. A total of 191 vicunas, both males and females, were blood sampled and serum was analyzed by the indirect immunofluorescent antibody test (IFAT). The resulting seroprevalence was 5.8 ± 3.3%, without statistical differences due to sex and age factors. The present study demonstrated the presence of T. gondii infection for in vicunas of the National Reserve of Pampa Galeras.
The objective of this study was to establish reference serum values for alanine aminotransferase (ALT), aspartate aminotransferase (AST), bilirubin (total and direct), alkaline phosphatase, total proteins and albumin in captive South American coati (Nasua nasua). A total of 19 coatis (11 males and 8 females) from two zoo parks in the area of Lima, Peru were blood sampled. The coatis were chemically restrained using ketamine clorhidrate (10 mg/kg body weight) and xilacine clorhidrate (1 mg/kg body weight) via IM. Blood samples (4 ml) were collected through femoral vein puncture using vacutainer tubes without anticoagulant. The blood chemistry values obtained were ALT: 94.0 ± 48.5 UI/L, AST: 124.7 ± 49.4 UI/L, total bilirubin: 0.72 ± 0.55 mg/dl, direct bilirubin: 0.19 ± 0.21 mg/dl, indirect bilirubin: 0.52 ± 0.52 mg/dl, alkaline phosphatase: 46.8 ± 26.4 UI/L, total proteins: 8.0 ± 1.1 g/dl, and albumin: 3.9 ± 0.5 g/dl.Key words: serum biochemistry, coati, Nasua nasua El estudio y conservación de la fauna silvestre está teniendo mayor importancia y se viene creando una conciencia naturalista frente al continuo desarrollo urbano que atenta contra miles de especies animales y su medio ambiente. El coatí (Nasua sp.) es un carnívoro mediano, ampliamente distribuido en el continente americano, donde existen tres especies con sus respectivas áreas geográficas de distribución. Se caracterizan por su peculiar estructura social, formando grupos de hembras y crías, mientras que los machos viven solitarios (Beisiegel, 2001)). El coatí no se encuentra en situación crítica (Braddy, 2003) y en su medio ambiente cumple un rol de presa y a la vez de predador, pero es importante resaltar que actúa como reservorio silvestre de ciertos parásitos, tales como el Tripanosoma evansi, que afecta al equino (Silva et al., 1996), así como filariosis, que es de caracter zoonótico (Baird y Neafie, 1988).
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