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- W2550668866 abstract "Medico Veterinario; Doutor, Professor Adjunto, Departamento de Medicina Veterinaria Preventiva, Escola de Veterinaria, UFMG, CP.567, 30161-970, Belo Horizonte, Minas Gerais, Brasil. Autor para correspondencia. Ema il: aurora@vet.ufmg.brRESUMOO herpesvirus bovino tipo 1 (HVB-1) e o agentecausador da rinotraqueite infecciosa bovina, alem de estar asso-ciado a doencas do trato genital em bovinos. A transmissao doHVB-1 atraves da inseminacao artificial (IA) pode ocasionarproblemas reprodutivos nas vacas inseminadas, como endome-trite, infertilidade, absorcao embrionaria e abortos. Animaisinfectados tornam-se portadores vitalicios do HVB-1 e podemapresentar episodios intermitentes de reexcrecao viral. O HVB-1poder ser encontrado no semen de touros, independente dodesenvolvimento de anticorpos neutralizantes. Uma vez que ostestes sorologicos nao sao suficientes para se estimar a presencado HVB-1 no semen e que as condicoes de processamento earmazenamento do semen sao ideais para a preservacao do virus,somente o exame individual das partidas pode assegurar a co-mercializacao de semen livre do virus. Testes laboratoriais paradeteccao do HVB-1 no semen bovino e medidas adicionais paracontrolar a transmissao do virus atraves da IA sao apresentados.Palavras-chave: rinotraqueite infecciosa bovina, herpesvirusbovino 1, semen, latencia, inseminacao artifi-cial.SUMMARYBovine herpesvirus 1 (BHV-1) is the causative agentof infectious bovine rhinotracheitis (IBR) and is also associatedwith genital disease in cattle. BHV-1 transmission by artificialinsemination (AI) may cause reproductive problems ininseminated cows, such as endometritis, infertility, embryonicabsorption and abortion. Infected animals are lifelong reservoirsof BHV-1 and may go through intermittent episodes of virusreexcretion. It is important to note that conditions of semenstorage are optimal for virus survival. Additionally, BHV-1 canbe found in bovine semen despite of the development ofneutralizing antibody. Since serological tests are not sufficient toascertain the presence of the virus in semen, the laboratorytesting of all semen batches for BHV-1 is the only way to ensurethe BHV-1-free status of the semen for commercialization.Laboratory tests used for BHV-1 detection in bovine semen andadditional approaches to prevent the spread of BHV-1 through AIare presented.Key words: infectious bovine rhinotracheitis; bovine herpesvirus1, semen, latency, artificial insemination ." @default.
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- W2550668866 title "HERPESVÍRUS BOVINO TIPO 1 NO SÊMEN" @default.
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