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    <subfield code="a">Isolation and genetic stability of an infectious bronchitis virus strain (IBV)</subfield>
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RESUMO - O v&#xED;rus da bronquite infecciosa (IBV) &#xE9; um importante pat&#xF3;geno respirat&#xF3;rio presente na avicultura comercial e tem provocado grandes perdas econ&#xF4;micas em todo o mundo. A vacina&#xE7;&#xE3;o &#xE9; realizada pela ind&#xFA;stria produtora de aves, mas continuam surgindo novos sorotipos e varia&#xE7;&#xF5;es antig&#xEA;nicas, dificultando o controle de IBV. N&#xF3;s realizamos uma caracteriza&#xE7;&#xE3;o molecular de uma cepa de IBV obtida diretamente de tecidos e comparamos com a mesma cepa que havia sido passada tr&#xEA;s vezes em ovo embrionado. N&#xF3;s mostramos uma varia&#xE7;&#xE3;o significante na sequ&#xEA;ncia viral depois de ter sido isolada em ovo embrionado.


Palavras-chave: v&#xED;rus da bronquite infecciosa, isolamento, caracteriza&#xE7;&#xE3;o, estabilidade</subfield>
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    <subfield code="d">Belo Horizonte-MG Universidade Federal de Minas Gerais - Escola de Veterinaria 1983</subfield>
    <subfield code="o">2024-4754</subfield>
    <subfield code="t">Arquivo Brasileiro de Medicina Veterin&#xE1;ria e Zootecnia (Brazil)</subfield>
    <subfield code="x">0102-0935</subfield>
    <subfield code="g">v. 70(4) p. 1333-1337; (2018)</subfield>
    <subfield code="w">BR2024002513</subfield>
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