Testing of umbilical cords by real time PCR is suitable for assessing vertical transmission of porcine reproductive and respiratory syndrome virus under field conditions
Visualitza/Obre
Autor/a
Martín-Valls, Gerard E.
Hidalgo, Mireia
Cano, Esmeralda
Mateu, Enric
Data de publicació
2018-02-01ISSN
1090-0233
Resum
The objective of this study was to test the suitability of umbilical cord (UC) sampling and ear vein swabbing (EVS) as alternatives to jugular vein bleeding (JVB) for the assessment of vertical transmission of porcine reproductive and respiratory syndrome virus (PRRSV). Twelve farms suspected to be PRRSV-positive unstable were selected and the three types of samples were obtained from 21 batches of newborn piglets (n = 387). The proportions of positive results, viral loads and time spent to collect the samples were compared. UC yielded the highest detection rate, with 76 positives compared to 55 JVB- and 45 EV-positive results (P < 0.05). Average Ct values were 26.6 ± 8.5 for JVB, 30.8 ± 6.4 for EV and 32.1 ± 4.85 for UC (P < 0.01). UC was the fastest collection method (mean 24 s vs. 55 s for EV and 72 s for JVB; P < 0.05). In this study, UC testing was a faster and more sensitive alternative to JVB or EV for the detection of PRRSV in newborn piglets.
Tipus de document
Article
Versió del document
Versió acceptada
Llengua
English
Matèries (CDU)
619 - Veterinària
Pàgines
12
Publicat per
Elsevier
Publicat a
Veterinary Journal
Citació
Martín-Valls, Gerard E., Mireia Hidalgo, Esmeralda Cano, and Enric Mateu. 2018. "Testing Of Umbilical Cords By Real Time PCR Is Suitable For Assessing Vertical Transmission Of Porcine Reproductive And Respiratory Syndrome Virus Under Field Conditions". The Veterinary Journal 234: 27-29. Elsevier BV. doi:10.1016/j.tvjl.2018.01.008.
Programa
Sanitat Animal
Aquest element apareix en la col·lecció o col·leccions següent(s)
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