The effects of transplacental porcine circovirus type 2 infection on porcine epidemic diarrhoea virus-induced enteritis in preweaning piglets.

The Veterinary Journal
K JungC Chae

Abstract

The effects of transplacental porcine circovirus type 2 (PCV2) infection on porcine epidemic diarrhoea virus (PEDV)-induced enteritis were examined in neonatal piglets. Six pregnant sows were randomly allocated to an infected (n=3) or control group (n=3). Three pregnant sows were inoculated intranasally with 6 mL of tissue culture fluid containing 1.2 x 10(5) tissue culture infective doses 50% (TCID(50))/mL of PCV2 strain SNUVR000470 three weeks before the expected farrowing date. Three control pregnant sows were similarly exposed to uninfected cell culture supernatants. Thirty piglets from PCV2-infected sows were randomly assigned to two groups (A and B) of 15 piglets each. Another 30 piglets from noninfected sows were randomly assigned to two groups (C and D) of 15 piglets each. The piglets in groups A and C were dosed orally at three days of age with 2mL of virus stock (1 x 10(6.5) TCID(50)/mL) of the PEDV strain, SNUVR971496, at the third passage. The mean villous height and crypt depth (VH:CD) ratio in PEDV-infected piglets from PCV2-infected sows (group A) were significantly different from those of the PEDV-infected piglets from PCV2 negative sows (group C) at 36, 48, and 72 h post-inoculation (hpi) (P<0.05). In PEDV-infe...Continue Reading

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Citations

May 6, 2014·Emerging Infectious Diseases·Kwonil JungLinda J Saif
Jan 17, 2007·Journal of the American Veterinary Medical Association·Paul M DorrWondwossen A Gebreyes
Oct 1, 2011·Virus Research·Tanja Opriessnig, Patrick G Halbur
Sep 18, 2016·Virus Research·Bhudipa ChoudhuryFalko Steinbach
Jan 22, 2020·Emerging Infectious Diseases·Patricia A BoleyScott P Kenney
Jun 27, 2019·Viruses·Qingqing LiangHui Hu
Oct 28, 2019·Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc·Chunyan JiangJia Xu

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Methods Mentioned

BETA
enzyme-linked immunosorbent assay
PCR

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