Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/21281
Title: Detection and dynamics of porcine circovirus 2 shedding in semen using conventional and real-time PCR
Contributor(s): Gerber, Priscilla Freitas  (author)orcid ; Pinto, Flavia F (author); Heinemann, Marcos B (author); Lobato, Zelia I P (author)
Publication Date: 2010
Open Access: Yes
DOI: 10.1590/S0100-736X2010001100004Open Access Link
Handle Link: https://hdl.handle.net/1959.11/21281
Abstract: The dynamics of porcine circovirus type 2 (PCV2) shedding in semen of naturally infected boars was studied. Semen was collected serially each 15 or 20 days during 62 days from 5 boars from a herd and from 11 boars from an artificial insemination center. All boars were positive for PCV2 DNA by nested polymerase chain reaction of raw semen in at least two sampling dates, and most of them had detectable shedding in all sampling dates. Real-time quantitative PCR was performed in 23 samples. All samples showed low amounts of PCV2 DNA, ranging from 98 to 652 PCV2 copies/mL. No differences between the frequencies of PCV2 DNA shed in semen were found considering herds and age of boars. PCV2 shedding in the semen can occur continuously or intermittently up to 60 days in naturally infected boars at 12 to 42 months old in absence of PCV2 clinical signs. These results demonstrate sporadic and long-term shedding patterns of low amounts of PCV2 DNA in semen from naturally infected boars.
Publication Type: Journal Article
Source of Publication: Pesquisa Veterinária Brasileira, 30(11), p. 918-920
Publisher: Colegio Brasileiro de Patologia Animal
Place of Publication: Brazil
ISSN: 1678-5150
0100-736X
Fields of Research (FoR) 2008: 070712 Veterinary Virology
070703 Veterinary Diagnosis and Diagnostics
070706 Veterinary Medicine
Socio-Economic Objective (SEO) 2008: 830308 Pigs
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article

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