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      Valoración clínica y parasitológica del tití gris (Primates: Cebidae: Saguinus leucopus) en dos poblaciones naturales presentes en San Carlos y San Rafael (Antioquia, Colombia) Translated title: Valoração clínica e parasitológica do sagui cinza (Primates: Cebidae: Saguinus leucopus) em duas populações naturais que se encontram em San Carlos e San Rafael (Antioquia, Colômbia) Translated title: Clinical and parasitological evaluation of White-footed Tamarins (Primates: Cebidae: Saguinusleucopus) from two free-range populations located in San Carlos and San Rafael (Antioquia, Colombia)

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          Abstract

          Resumen El estudio de individuos en cautiverio de primates Neotropicales ha permitido conocer aspectos básicos de su historia natural. Sin embargo las condiciones medioambientales pueden determinar diferencias ecológicas y fisiológicas en poblaciones silvestres. En el caso del tití gris (Saguinus leucopus), primate endémico del noroccidente colombiano, diferentes parámetros fisiológicos han sido evaluados en cautiverio. Con el fin de diagnosticar el estado de salud en condiciones naturales, se evaluaron varias características externas y parámetros fisiológicos, así como la comunidad de parásitos de dos poblaciones naturales. Aunque en general no se detectaron signos de deterioro en las condiciones generales de salud, se identificaron once taxones de parásitos entre helmintos y protozoos, algunos con alta prevalencia (filarias y Trypanosoma spp). Las comunidades de parásitos en cautiverio y en estado silvestre muestran diferencias notables. Igualmente, se identificó una aparente variación entre poblaciones silvestres e incluso entre grupos sociales circundantes con respecto a los perfiles hematológicos y de química sanguínea, que sugiere diferencias en la respuesta fisiológica ante condiciones medioambientales. Ninguna de dichas variables fisiológicas pareció estar relacionada con los parásitos encontrados. Los resultados revelaron una amplia diversidad de parásitos y una elevada tasa de infecciones parasitarias en poblaciones naturales de S. leucopus, que parecen no estar asociadas con indicadores de la condición de salud. Futuros estudios deberán enfatizar en aspectos ecológicos, genéticos y demográficos que determinen las condiciones de salud de S. leucopus en su medio natural. Se recomienda que la rehabilitación de individuos en cautiverio tenga presente posibles diferencias en variables fisiológicas y epidemiológicas entre poblaciones naturales y grupos en cautiverio con el fin de restringir la transmisión de agentes infecciosos entre poblaciones

          Translated abstract

          Resumo O estudo de indivíduos em cativeiro de primatas Neotropicais tem permitido conhecer aspectos básicos da história natural. Embora as condições ambientais podem determinar diferenças ecológicas e fisiológicas em populações silvestres. No caso do sagui cinza (Saguinus leucopus), primata endémico do noroeste colombiano, diferentes parâmetros fisiológicos tem sido avaliados em cativeiro. Com o intuito de diagnosticar o estado de saúde em condições naturais, avaliaram-se vários rasgos externos e parâmetros fisiológicos, assim como a comunidade de parasitas de duas populações naturais. Ainda que em geral não se detectassem signos de deterioro nas condições gerais de saúde, identificaram-se onze táxones de parasitas entre helmintos e protozoários, alguns com alta prevalência (filarias e Trypanosoma spp). As comunidades de parasitas em cativeiro e no estado silvestre mostram diferenças notáveis. Igualmente, identificou-se uma aparente variação entre populações silvestres e entre grupos sociais circundantes com respeito aos perfis hematológicos e de química sanguínea, que sugere diferenças na resposta fisiológica diante condições ambientais do médio. Nenhuma das mencionadas variáveis fisiológicas pareceu estar relacionada com as parasitas encontradas. Os resultados revelaram uma grande diversidade de parasitas e uma alta taxa de infecção parasitária em populações naturais de S. leucopus, que não parecem estar associados com indicadores do condição de saúde. Estudos deste tipo no futuro deveram enfatizar em aspectos ecológicos, genéticos e demográficos que determinem as condições de saúde de S. leucopus em seu médio natural. Recomenda-se que a reabilitação de indivíduos em cativeiro tenha presente possíveis diferenças em variáveis fisiológicas e epidemiológicas entre populações naturais e grupos em cativeiro com o fim de restringir a transmissão de agentes infeciosos entre populações

          Translated abstract

          Abstract While much of the natural history of Neotropical primates has been revealed through studies conducted in captive individuals, environmental factors may impose ecological and physiological differences in free-range populations. For the white-footed tamarin (Saguinus leucopus), a primate endemic to Northwest Colombia, physiological parameters that have been assessed in captivity still remain to be measured in free-range populations. In order to diagnose the health status of this species in a natural environment, we assessed several external traits, measured hematological and blood-chemistry values, and characterized the parasite community of two natural populations. Despite the identification of eleven different parasite taxa and wide distribution of filaria and Trypanosoma spp., we faieled to detect signs of poor health condition. Substantial differences were found between captive and free-range tamarin populations in the composition of their parasite communities. Likewise, hematological and blood-chemistry profiles differed between free-range populations and even between neighboring social groups, suggesting a role of environmental factors in the physiological response. However, none of the physiological parameters varied as a response to parasite infection. Our results revealed a high diversity of parasites and elevated rates of parasitic infections in natural populations of S. leucopus, that do not seem to be associated with indicators of health conditions. Future studies should emphasize on ecological, genetic and demographic factors that determine the health conditions of S. leucopus in the wild. Lastly, geographic variation of physiological profiles and parasite distribution, as well as epidemiological differences between captive and wild populations, should be incorporated in rehabilitation plans of captive tamarins in order to restrict the transmission of infectious agents between populations

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          Riqueza, endemismo y conservación de los mamíferos de Colombia

          Se actualiza la diversidad de especies de mamíferos de Colombia con base en una nueva revisión de especímenes en las mayores colecciones del país y el extranjero y la compilación de cambios taxonómicos recientes que involucran especies presentes en el país. El resultado de estos cambios es un total de 492 especies nativas, que representa un incremento neto de 62 especies respecto a la lista previamente existente (año 2000), lo cual es proporcionalmente mayor al resultado de actualizaciones en otros países neotropicales. Aunque el nivel de conocimiento difiere notoriamente entre grupos, proveemos algunos indicadores generales, como diversidad a nivel de los órdenes, endemismo, patrones de distribución y estado de conservación. La mayor riqueza de especies se da en los órdenes Chiroptera (198 spp.) y Rodentia (122 spp.), pero hay 23 especies endémicas de roedores, contra solo siete de murciélagos. Dependiendo de la naturaleza y escala de las evaluaciones, 39 (MAVDT) a 52 (UICN) especies de mamíferos colombianos se consideran en situación de peligro. Las mayores amenazas continúan siendo la deforestación, así como la cacería y el comercio ilegal.
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            Health evaluation of translocated free-ranging primates in French Guiana.

            Among over 40 mammal species threatened by the filling of a hydroelectric dam reservoir in French Guiana, three species of primates have been translocated, comprising 124 red howler monkeys, six white-faced sakis, and 95 golden-handed tamarins. Health status of the animals was evaluated by direct physical examination and by hematological, biochemical, virological, and parasitological surveys of collected blood. The physical condition of the howlers was slightly worse toward the end of the capture period, but that of sakis and tamarins remained satisfactory. Several ectoparasites (ticks, larvae of dipterous insects, fleas, and lice) were collected, and various wounds, apparently nondebilitating, were recorded in howlers. Hematological and biochemical profiles determined for the three species revealed a slight anemia in howlers. Entamoeba, Strongyloides, and Trypanoxyurus were common in fecal samples of howlers. A survey of blood smears from the three species revealed infection by several types of microfilaria, Trypanosoma rangeli-like and Plasmodium brasilianum in all three, and Trypanosoma cruzi-like in howlers. These infections had no significant impact on the health status or the hematological profiles. Serologic investigations revealed occasional reactions against Toxoplasma gondii, a strong anti-Plasmodium response in the two Cebidae species, and a weaker one in tamarins. Attempts to isolate arbovirus failed, but antibody responses to Mayaro and yellow fever viruses were strong, especially in the howlers. A strong correlation between age and serological status led to a better understanding of the epidemic cycles. Our survey indicates French Guianan primates are reservoirs for several anthropozoonoses, including malaria, Chagas disease, and arboviruses. Copyright 2001 Wiley-Liss, Inc.
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              Diseases of the Callitrichidae: a review.

              S Potkay (1992)
              The Callitrichidae contains four genera that embrace up to 50 species and subspecies found in neotropical habitats. Certain members have either naturally occurring or induced conditions that serve as important models of human disease. They include viral, bacterial, and parasitic infections, nutritional deficiencies, neoplasia, and various other conditions. The spontaneous diseases of captive callitrichids and those to which these species are experimentally susceptible were reviewed.
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                Author and article information

                Journal
                cmvz
                CES Medicina Veterinaria y Zootecnia
                Ces. Med. Vet. Zootec.
                Universidad CES (Medellín, Antioquia, Colombia )
                1900-9607
                June 2014
                : 9
                : 1
                : 68-83
                Affiliations
                [01] Medellín orgnameUniversidad de Antioquia Colombia
                [02] Medellín orgnameUniversidad de Antioquia orgdiv1Grupo de Parasitología, Facultad de Medicina Colombia
                Article
                S1900-96072014000100007 S1900-9607(14)00900107
                96b329f3-32cc-4317-be30-b8980a6fde5b

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 31 January 2014
                : 09 May 2014
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 37, Pages: 16
                Product

                SciELO Colombia

                Self URI: Texto completo solamente en formato PDF (ES)
                Categories
                Artículos originales de investigación

                parásitos,Filarias,hematologia,parasitas,Saguinus leucopus,Trypanosoma spp,Filaria,hematology,parasites,hematología

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