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      Unexpected chromosomal alterations in Tayassu tajacu (Artiodactyla: Tayassuidae) in captivity Translated title: Alterações cromossômicas inesperadas em Tayassu tajacu (Artiodactyla: tayassuidae) de cativeiros

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          Abstract

          Wild animals have been used as bioindicators in situations in which the environment was exposed to chemical agents. In general, chemical agents may induce chromosomal aberrations, such as breaks and gaps. The peccary, Tayassu tajacu is a pig relative that exhibits a very stable karyotype with the only described alterations being of the form of the X chromosome. Chromosomal gaps and breaks were observed at high frequencies during cytogenetics analyses. These alterations were observed in the chromosomes autossomics. Reviews of the literature and of the data described herein suggests that an vermifuge, the ivermectin base, was the most likely cause of these chromosomal alterations.

          Translated abstract

          Os animais silvestres têm sido utilizados como bioindicadores quando o ambiente é exposto a estressores químicos. Em geral, os agentes químicos podem induzir às alterações cromossômicas dos tipos falhas e quebras. Tayassu tajacu, é uma espécie aparentada dos porcos verdadeiro e apresenta uma grande estabilidade cariotípica. As únicas alterações descritas são em relação a forma do cromossomo X. Foram observadas falhas e quebras cromossômicas durante as análise citogenética. Estas alterações foram detectadas em cromossomos autossômicos. Levantamentos realizados na literatura associados as dados observados nos exemplares estudados, indicam um vermífugo, a base de ivermectina, como o possível causador dessas alterações cromossômicas.

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          The mammalian fetal membranes.

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            Curso pratico de Bioestatística

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              Citogenética humana

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                bjvras
                Brazilian Journal of Veterinary Research and Animal Science
                Braz. J. Vet. Res. Anim. Sci.
                Faculdade de Medicina Veterinária e Zootecnia / Universidade de São Paulo (São Paulo )
                1678-4456
                February 2004
                : 41
                : 1
                : 10-13
                Affiliations
                [1 ] Universidade Federal do Paraná Brazil
                [2 ] Universidade Federal da Paraíba Brazil
                [3 ] Universidade Federal do Paraná Brazil
                [4 ] Universidade Federal do Paraná Brazil
                [5 ] Universidade Federal do Rio Grande do Sul Brazil
                Article
                S1413-95962004000100002
                10.1590/S1413-95962004000100002
                423a782c-c795-4692-8f43-67e2a73235a7

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=1413-9596&lng=en
                Categories
                AGRICULTURE, DAIRY & ANIMAL SCIENCE
                VETERINARY SCIENCES

                Animal agriculture,General veterinary medicine
                Tayassu,Karyotype,Chromosome,Chromosomal alterations,Cariótipo,Cromossomo,Alterações cromossômicas

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