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Revista Brasileira de Zootecnia
Article . 1999 . Peer-reviewed
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Revista Brasileira de Zootecnia
Article
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Freqüência da mutação gene da síndrome do estresse suíno e sua associação com características reprodutivas em marrãs híbridas

Authors: Guimarães, Simone Eliza Facioni; Euclydes, Ricardo Frederico;

Freqüência da mutação gene da síndrome do estresse suíno e sua associação com características reprodutivas em marrãs híbridas

Abstract

O objetivo deste trabalho foi determinar a freqüência do gene causador da síndrome do estresse em suíno (PSS) e sua associação com características reprodutivas em marrãs híbridas. Setenta e duas marrãs híbridas Landrace x Large White, provenientes de granjas comerciais localizadas na região de Ponte Nova - Minas Gerais, foram analisadas para a presença da mutação PSS. No diagnóstico da mutação feito por reação em cadeia da polimerase - polimorfismo de comprimento de fragmentos de restrição (PCR-RFLP), o fragmento de 659pb do gene ryr-1 foi amplificado e, nos mutantes a substituição de citosina por timina, que acarreta mudança de aminoácidos da proteína madura de arginina para cisteína nos animais afetados, foi identificado. Dados relativos ao número de leitões nascidos vivos, leitões nascidos com baixa viabilidade e leitões natimortos por leitegada, peso médio dos leitões ao nascer e repetições de cio foram analisados. Do total de marrãs analisadas, foram encontradas 13,88% de marrãs heterozigotas e nenhuma homozigota recessiva. Não houve efeito dos genótipos sobre as características analisadas.

Related Organizations
Keywords

PCR-RFLP, PSS, crossbred gilts, marrãs híbridas

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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gold