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1.
Acta sci., Biol. sci ; 43: e53450, 2021. tab, ilus
Article in English | LILACS, VETINDEX | ID: biblio-1461005

ABSTRACT

Although crustaceans are traditionally preserved in liquids (formaldehyde and/or ethyl alcohol), those substances tend to alter their morphological aspects. Glycerin, used in human anatomy, is considered a good substitute for formaldehyde, as it preserves animals in states similar to in vivo conditions. There are no records in the literature, however, concerning the use of glycerin for conserving invertebrates. The objective of this work was to elaborate and evaluate alternative techniques for conserving the crustacean Ucides cordatus (Linnaeus, 1763). Six fixatives (1, 3, 4 and 5% formaldehyde, 70% alcohol, and dietrich solution) and two controls (positive and negative) were tested, as well as the effects of freezing before fixation on the integrity of U. cordatus specimens. Our results were evaluated with respect to nine variables. The treatments that demonstrated the best aesthetic results were 4% formaldehyde and 70% ethyl alcohol. The freezing of the animals resulted in brittle organs in all treatments tested. The technique discussed here is extremely promising for the conservation of animals for educational purposes, as it produces preserved specimens that are aesthetically similar to their in vivo conditions.


Subject(s)
Animals , Crustacea/anatomy & histology , Teaching Materials , Preservation, Biological/veterinary
2.
Pesqui. vet. bras ; 36(2): 131-135, fev. 2016. tab, graf
Article in English | LILACS | ID: lil-777394

ABSTRACT

The present paper reports blood gas analysis, hematologic and micro bacteriologic information on four female Red-billed curassows, rescued from illegal wild animal trading, that were undergoing habilitation for reintroduction into the wild through Projeto Centrofauna/Botucatu-SP. There is a lack of physiological data on this species, endemic to the region of Atlantic Forest (Mata Atlântica), now under threat of extinction. This lack of information makes the clinical evaluation of these birds very difficult and has a direct and adverse effect on any of these birds received for medical treatment in hospitals, veterinary clinics and centers for research and conservation, as well as in reintroduction centers.


O presente artigo reporta dados inéditos de análise hemogasométrica, hematológica e bacteriológica de quatro fêmeas de Mutum do Sudeste, resgatadas do tráfico ilegal de animais silvestres e em processo de habilitação e reintrodução para vida-livre pelo Projeto Centrofauna, Botucatu/SP. Na literatura há uma falta de dados fisiológicos sobre esta espécie, endêmica da região da Mata Atlântica e ameaçada de extinção. Esta falta de informação faz com que avaliações clínicas nesta espécie aviária sejam muito difíceis de interpretar, causando um efeito direto e negativo nestas aves para a realização de tratamento médico em hospitais, clínicas veterinárias, centros de pesquisa e/ou conservação, bem como centros de reintrodução.


Subject(s)
Animals , Female , Birds , Escherichia coli , Microbiota , Bacteriological Techniques/analysis , Preservation, Biological/veterinary , Hematologic Tests/veterinary
3.
Pesqui. vet. bras ; 36(1): 62-66, Jan. 2016. graf
Article in English | LILACS | ID: lil-777382

ABSTRACT

Currently the importance of using alternative strategies for biodiversity conservation is emphasized and since the establishment of germplasm bank is an alternative to the conservation of endangered species. This is a technique of great importance for the maintenance of Brazilian fauna. Since the early70'sthere was a growing concern about the need to preserve essential genetic resources for food and agriculture, mainly for conservation of genetic material from farm animals. Thus was created the Brasilia Zoo, in July 2010, the first Germplasm Bank of Wild Animals in Latin America, as an alternative strategy for the conservation of threatened or endangered species, using both gametes and somatic cells and stem cells. Then we argue to create new banks or research networks among different regions with aimed to tissue preservation.


Atualmente, a importância do uso de estratégias alternativas para a preservação da biodiversidade é ressaltada e, visto que a criação de bancos de germoplasma é uma alternativa para a conservação de espécies ameaçadas, esta é uma técnica de suma importância para a manutenção da fauna brasileira. Desde o começo da década de 70 houve uma crescente preocupação sobre a necessidade de se preservar recursos genéticos essenciais para alimentação e agricultura, voltados principalmente, para a conservação de material genético de animais de produção. Deste modo, foi criado pelo Jardim Zoológico de Brasília, em julho de 2010, o primeiro Banco de Germoplasma de Animais Selvagens da América Latina, como uma estratégia alternativa para a conservação de espécies ameaçadas ou em perigo de extinção, utilizando tanto gametas como células somáticas e células-tronco. Com isto ponderamos na criação de novos bancos ou redes de pesquisa inter-regionais que foquem nesta preservação tecidual.


Subject(s)
Animals , Biodiversity , Cryopreservation/veterinary , Endangered Species , Preservation, Biological/veterinary , Tissue Preservation/veterinary
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