Comparación de dos períodos (1981-1985 y 1986-1988) del registro de neoplasias del servicio de cirugía de la facultad de ciencias veterinarias y pecuarias universidad de Chile

P., Estefanía Flores; Y., Ximena Diez; R., Ana María Díaz; V., Santiago Urcelay; U., Gino Cattaneo

doi:10.5354/0716-260x.1993.6114

Cited by 2 publications

(5 citation statements)

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“…Both genera contain species with microendemic distributions or very isolated localities. For the BREHA criterion, the genus at risk is Insuetophrynus because this species is monotypic, known in one type of aquatic environment with few possibilities to expand its ecological niche ranges [26]. In the case of the AOO and EOO criterion, Insuetophrynus, Rhinoderma and Telmatobius were included.…”

Section: Resultsmentioning

confidence: 99%

“…For the LET criterion, the genera with the highest value are Alsodes, Atelognathus, Calyptocephalella, Eupsophus, Insuetophrynus, Rhinella, Rhinoderma, Telmatobius, and Telmatobufo, which correspond to genera that contain species categorized as highly threatened by mining, the introduction of exotic species, habitat loss, and emerging diseases such as Batrachochytrium dendrobatidis and Ranavirus [26]. The genera Calyptocephalella, Hylorina, Insuetophrynus, Nannophryne, Rhinoderma, and Telmatobufo stand out for the POPT criterion whose species contain records of decreasing population trends due to local losses and, in the case of C. gayi, human consumption [14].…”

Section: Resultsmentioning

confidence: 99%

“…This scarcity of data presents a major issue for biodiversity conservation in the central-southern hemisphere of America [98]. Monitoring amphibian populations and collecting data on their abundance and decline is essential [26,55]. Addressing data uncertainty is also important, as a species may be misclassified as insufficiently known without justification [78].…”

Section: Discussionmentioning

confidence: 99%

“…Amphibians, being ectothermic organisms that rely on freshwater for reproduction [26], have a limited geographic distribution on the planet [27]. Their vulnerability to environmental changes makes them valuable sentinels of environmental quality [28], helping maintain natural system balance [29,30].…”

Section: Introductionmentioning

confidence: 99%

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Identifying Strategies for Effective Biodiversity Preservation and Species Status of Chilean Amphibians

Vidal,

Henríquez,

Torres-Díaz

et al. 2024

Biology

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Resources are limited in global biodiversity conservation efforts, which emphasizes the significance of setting conservation priorities. Using standardized criteria, we evaluated 58 amphibian species in Chile to determine their conservation priority (CP). Species with insufficient historical data had their values marked as missing. With a median value of p = 1.67, the results demonstrated CP values ranging from p = 0.48 to p = 3.0, classifying species into priority and non-priority groups. Four levels were established for the priority categories: no priority, low priority, medium priority, and high priority. Additionally, the Telmatobiidae and Alsodidae families were identified as two more priority families. Notably, the species with the highest priority were found to be T. halli, T. fronteriensis, T. philippii, T. chusmisensis, A. pehuenche, and Alsodes tumultuosus, where T. philippii and T. fronteriensis have equal priority for conservation at the national level according to the conservation priority analysis. Eight priority families—the Alsodidae, Batrachylidae, Bufonidae, Ceratophryidae, Leptodactylidae, Rhinodermatidae, and Telmatobiidae—were determined, and 14 species—or 24% of the species examined—need further study. Based on the conservation priority analysis, the species T. fronteriensis and T. philippii share the highest priority for conservation at the national level (p = 2.50). With 70% of the amphibians under study being threatened mainly by habitat loss, pollution, and emerging diseases, the creation of conservation categories made the threat assessment process easier. Due to a lack of information on geographic distribution and abundance, quantitatively classifying amphibians in Chile remains difficult. The analysis of conservation priorities and potential extinction threats informs appropriate management strategies.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Identifying Strategies for Effective Biodiversity Preservation and Species Status of Chilean Amphibians

Vidal,

Henríquez,

Torres-Díaz

et al. 2024

Biology

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“…Amaral et al ( 2004) relataram que a idade de maior frequência do tumor venéreo transmissível foi de 4 anos. Fazem parte do grupo de risco cães sem raça definida (FLORES et al,1993;SOUSA et al, 2000). Gandotra et al (1993) A Figura 7 apresenta a distribuição percentual do tempo de evolução do TVT dos animais, onde se observou que 40% (4) dos animais tinham o tempo de evolução da doença superior a noventa dias no momento do diagnóstico, de trinta dias a noventa dias 30% (3) e, até trinta dias 30% (3).…”

Section: Resultsunclassified

Estudo clínico e citopatológico de cães portadores do tumor venéreo transmissível (TVT) tratados com sulfato de vincristina

Ferreira¹,

Santos²,

Linden³

et al. 2023

Braz. J. Anim. Environ. Res.

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O tumor venéreo transmissível é uma das neoplasias mais frequentes na clínica médica de pequenos animais e apresenta excelente responsividade à quimioterapia. Diante da relevância dessa afecção, objetivou-se avaliar os aspectos clínicos e citopatológicos de cães com o tumor venéreo transmissível tratados com o sulfato de vincristina. Selecionou-se 10 cães sem distinção de sexo, raça ou idade com suspeita do tumor venéreo transmissível, que tiveram seu diagnóstico confirmado pelo exame citopatológico. Os animais foram tratados com o sulfato de vincristina na dose de 0,75mg/m2 com administração intravenosa a cada sete dias, por seis semanas consecutivas. Dos animais avaliados acometidos pelo TVT, 70% eram fêmeas e 30% machos com média de idade de 4,8±1,3 anos, todos sem raça definida. A principal queixa clínica dos animais examinados foi de secreção sanguinolenta, nasal e/ou genital. Após a quimioterapia, apenas o sangramento vulvar apresentou diferenças estatisticamente significativas (p<0,05) a partir de vinte e um dias, 100% dos animais não apresentaram mais sangramentos. Quanto à classificação citopatológica observou-se que 50% foi do tipo plasmocitário, 30% misto e 20% linfocitário. Conclui-se que a citologia aspirativa por agulha fina foi um método eficaz, simples e seguro para o diagnóstico e classificação do tumor venéreo transmissível e independente do tipo de TVT houve resposta satisfatória ao tratamento quimioterápico a base de Sulfato de Vincristina e um protocolo a partir de seis aplicações do quimioterápico, com intervalos de sete dias entre as aplicações mostrou-se eficiente para o tratamento.

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Comparación de dos períodos (1981-1985 y 1986-1988) del registro de neoplasias del servicio de cirugía de la facultad de ciencias veterinarias y pecuarias universidad de Chile

Cited by 2 publications

References 0 publications

Identifying Strategies for Effective Biodiversity Preservation and Species Status of Chilean Amphibians

Identifying Strategies for Effective Biodiversity Preservation and Species Status of Chilean Amphibians

Estudo clínico e citopatológico de cães portadores do tumor venéreo transmissível (TVT) tratados com sulfato de vincristina

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